Series 24 — General Securities Principal Exam Cheat Sheet

Cheat sheet: FINRA Series 24 reference for principal supervision, communications, trading, underwriting, registrations, accounts, and compliance controls.


Use the tables for a quick pre-exam check. Expand a topic’s notes for explanations, examples, and additional distinctions.

Scope and study context

The Series 24 mindset is not “what can the representative do?” but what must the principal and firm supervise, approve, document, restrict, escalate, or prohibit?

This page is an independent Cheat Sheet for candidates preparing for FINRA’s Series 24 — General Securities Principal Exam. Use it to refresh the supervisory, regulatory, sales-practice, trading, and investment-banking concepts that commonly drive exam questions before moving into original practice questions, topic drills, mock exams, and detailed explanations.

The Series 24 is not just a “rules recall” exam. It tests whether you can think like a general securities principal: identify supervisory responsibility, detect red flags, apply written procedures, escalate issues, document decisions, and prevent customer harm or firm violations.

Quick mindset: when an answer choice protects customers, follows firm procedures, documents principal review, escalates conflicts, and avoids unauthorized activity, it is often closer to the Series 24 answer than the choice that merely “gets the trade done.”

Principal-Level Exam Mindset

If the question asks…Think like a principal
A representative made a recommendationWas it in the customer’s best interest or suitable? Was the basis documented? Were conflicts addressed?
A communication was sentWhat type of communication is it? Was approval, review, filing, and recordkeeping handled correctly?
A customer complainsIs it written? Is it reportable? Was it escalated, investigated, preserved, and resolved without misleading promises?
A branch or rep has red flagsWas supervision risk-based, documented, and heightened if needed?
A trade looks questionableCheck best execution, order protection, manipulative activity, reporting, confirmation, and supervisory review.
An offering is involvedIdentify Securities Act stage, permissible communications, underwriting conflicts, allocation rules, Regulation M, and due diligence.
A rule violation appears minorFINRA often tests whether the principal recognizes escalation and documentation duties, not just punishment.

Core Regulatory Map

SourcePrincipal exam relevance
FINRA rulesSupervision, communications, registration, sales practices, trading conduct, complaints, branch offices, outside activities, private securities transactions, margin.
SEC Securities Act of 1933New issues, registration, prospectuses, exemptions, private placements, misstatements and omissions.
SEC Exchange Act of 1934Broker-dealer registration, market manipulation, trading rules, books and records, financial responsibility.
SEC Regulation Best InterestRetail customer recommendations, account recommendations, conflicts, disclosure, care, compliance.
SEC Regulation S-PCustomer privacy, safeguarding information, privacy notices.
SEC Regulation SHOShort sale marking, locate, close-out, threshold securities.
SEC Regulation NMSEquity market structure, trade-through protection, order routing, market data and execution quality concepts.
SEC Regulation MRestrictions during securities distributions; stabilizing, penalty bids, covering transactions.
SIPCCustomer protection in broker-dealer liquidation; does not protect against market loss.
MSRB / specialized rulesDo not assume Series 24 alone qualifies a principal for specialized municipal, options, futures, or other separate principal categories.

Series 24 Role Boundaries

AreaHigh-yield point
General securities principalSupervises many general securities activities of a broker-dealer, including sales, trading, underwriting, investment banking, and firm procedures.
Specialized principal functionsOptions, municipal securities, financial and operations, and certain other areas may require separate registrations.
DelegationTasks may be delegated to qualified persons, but supervisory responsibility remains with the firm and designated principals.
Written supervisory proceduresMust be tailored to the firm’s business, not copied boilerplate.
Reasonable supervisionRequires a system, assigned responsibility, follow-up, testing, and documentation.
Red flagsOnce known or should have been known, the firm must investigate and respond. Ignoring red flags is a recurring exam trap.

Supervisory System Reference

ElementWhat to remember for the exam
Written Supervisory Procedures / WSPsDescribe who supervises what, how reviews occur, when approvals are required, escalation paths, records, and exception handling.
Designated principalsSupervisory responsibilities must be assigned to appropriately registered principals.
OSJ supervisionOffices of supervisory jurisdiction require principal oversight because key supervisory functions occur there.
Branch inspectionsMust be risk-based and documented. Higher-risk branches, producing managers, disciplinary history, remote activity, and customer complaints increase scrutiny.
Supervisory control systemTests whether the supervisory system works; separate from ordinary day-to-day supervision.
Annual review / certification conceptsSenior management must have a process to review and certify supervisory and compliance systems.
Exception reportsUseful only if reviewed, investigated, and resolved. Generating reports is not enough.
Heightened supervisionUsed when a representative, branch, product, or business line presents elevated risk.
EscalationSerious issues go to compliance, legal, AML, senior management, or regulators when required.
DocumentationIf it is not documented, the exam often treats it as not done.

Office and Location Supervision

Location conceptExam focus
OSJLocation where key supervisory functions occur, such as final acceptance of new accounts, approval of retail communications, order review, market making, investment banking supervision, or supervision of associated persons.
Branch officeLocation where securities business is regularly conducted. Branch status drives inspection, registration, and supervision obligations.
Non-branch / limited-use locationPossible only if conditions are met. Do not assume a home or temporary location is automatically exempt.
Producing manager branchHigher conflict risk because the manager both produces and supervises. Requires independent review controls.
Remote or residential activityMust fit firm procedures, technology controls, books and records, privacy, and supervision requirements.
Unregistered locationCannot be used to evade registration, communications, books and records, or inspection duties.

Registration, Disclosure, and Associated Person Events

Event or issuePrincipal action
New hireVerify registration status, qualifications, disclosures, fingerprints, employment history, and statutory disqualification issues.
Form U4Must be accurate and amended when required. Watch criminal, regulatory, financial, civil, and customer complaint disclosures.
Form U5Filed upon termination and amended if later information makes it inaccurate or incomplete. Must be truthful and supportable.
Statutory disqualificationRequires escalation and cannot be ignored because the person is productive.
Continuing educationFirm must track regulatory and firm element obligations and restrict inactive persons when required.
Outside brokerage accountsAssociated person accounts at other financial institutions require notice, duplicate confirmations/statements if requested, and supervisory review.
Outside business activityPrior written notice to the firm; firm evaluates conflicts, customer confusion, and whether conditions or prohibition are needed.
Private securities transactionPrior written notice. If compensation is involved and the firm approves, the transaction must be supervised and recorded as firm business.
Borrowing from or lending to customersAllowed only within firm procedures and permitted relationship categories; preapproval may be required.
Gifts and entertainmentWatch limits, business purpose, conflicts, records, and quid pro quo concerns.
Political contributions / pay-to-playContributions and solicitation activity can trigger restrictions; principals must identify covered persons and government entity business risk.

Written Approval vs Review vs Filing

ControlMeaningCommon Series 24 trap
Prior principal approvalA qualified principal approves before use or activity.Post-use review does not cure a preapproval requirement.
ReviewPrincipal or designated reviewer examines activity under procedures, often risk-based.“Reviewed” does not always mean every item was preapproved.
FilingMaterial is submitted to FINRA or another regulator when required.Filing is not the same as regulator approval or firm approval.
RecordkeepingFirm preserves required evidence.A compliant action without records may still be a supervisory failure.
EscalationIssue is raised to the proper control function.A branch manager cannot bury serious issues locally.

Communications With the Public

Communication Classification

TypeDefinition / audienceApproval and supervision focus
Retail communicationWritten or electronic communication made available to more than 25 retail investors within a 30-calendar-day period.Generally requires principal approval before use, unless an exception applies; may require FINRA filing depending on content and firm status.
CorrespondenceWritten or electronic communication made available to 25 or fewer retail investors within a 30-calendar-day period.Subject to supervisory review under firm procedures; not automatically preapproved item-by-item.
Institutional communicationWritten or electronic communication made available only to institutional investors.Subject to procedures and review; cannot be treated as institutional if redistributed to retail investors.
Public appearanceSeminars, webinars, interviews, radio/TV, unscripted public comments.Content standards apply; scripts, slides, handouts, and replays may be retail communications.
Research reportAnalysis with sufficient information on securities or issuers that may influence investment decisions.Separate research rules, disclosures, analyst independence, and conflict controls apply.
Internal communicationUsed only within the firm.Still supervised if it affects sales practice, recommendations, training, or customer communications.
Notes and examples

Content Standards

RequirementPractical exam cue
Fair and balancedMust discuss material risks, not only benefits.
No false, exaggerated, unwarranted, promissory, or misleading statements“Guaranteed,” “safe,” “no risk,” and selective performance claims are red flags.
Basis for claimsProjections, rankings, comparisons, testimonials, and performance claims need support and required disclosures.
Risks and limitationsEspecially important for options, structured products, leveraged/inverse funds, non-traded REITs, DPPs, private placements, CMOs, high-yield debt, and variable products.
Tax discussionMust avoid implying tax certainty; recommend tax adviser when appropriate.
Past performanceCannot imply future results. Use appropriate time periods and context.
Hyperlinks and third-party contentFirm may be responsible if it adopts, entangles itself with, or selectively promotes third-party content.
Social mediaStatic content is more likely to require prior approval; interactive content still requires supervision, training, and records.

Communications Traps

ScenarioCorrect exam instinct
Sent to 20 retail investors today and 10 more next weekCount retail recipients within the 30-calendar-day period.
Labeled “institutional only” but forwarded to retail clientsLabel does not control actual use.
Principal approved a mutual fund sales piece after distributionLate approval is not equivalent to required prior approval.
FINRA filing completedFiling does not mean FINRA endorsed the content.
Rep uses personal texting appBooks and records, supervision, privacy, and firm policy issues.
Seminar includes a free meal and product pitchTreat as public communication plus sales practice, suitability, and records issue.
Influencer or testimonial promotes the firmConsider adoption, compensation, disclosures, supervision, and recordkeeping.

Communication Categories

CategoryBasic ideaPrincipal supervision focus
Retail communicationWritten/electronic communication distributed or made available to more than 25 retail investors within a 30-calendar-day periodOften requires principal approval before use; some must be filed depending on content and firm status.
CorrespondenceWritten/electronic communication to 25 or fewer retail investors within a 30-calendar-day periodSupervised under firm procedures; may be pre- or post-reviewed depending on risk.
Institutional communicationCommunication to institutional investorsSubject to procedures, training, and review; not a free pass for misleading content.

Content Standards

Every communication should be:

  • Fair and balanced
  • Not false, exaggerated, promissory, or misleading
  • Balanced between benefits and risks
  • Clear about assumptions, limitations, fees, tax issues, and liquidity
  • Consistent with prospectus/offering documents when applicable
  • Properly sourced if using statistics, rankings, or performance data
  • Reviewed and retained under firm procedures

Communication Traps

TrapCorrect Series 24 reasoning
“Institutional only” communication can be misleadingNo. Institutional communications still must be fair and not misleading.
Social media is informal, so rules do not applyNo. Static, interactive, business-use, recordkeeping, and supervision issues still matter.
Principal approval fixes false contentNo. Approval of misleading content is a supervisory failure.
Past performance implies future resultsMust avoid promissory implications and include balanced context.
Testimonials are always fine if trueThey require careful disclosure, compensation/conflict review, and compliance with applicable standards.

Customer Account Opening and Maintenance

Account issuePrincipal review focus
Customer identificationCIP information, verification, beneficial ownership where applicable, sanctions screening, and AML red flags.
New account approvalPrincipal approval under firm procedures; account type must fit customer authority and objectives.
Customer profileAge, financial situation, tax status, investment objectives, experience, risk tolerance, time horizon, liquidity needs, and other holdings.
Trusted contactFirm should make reasonable efforts where required and use it appropriately for suspected exploitation or incapacity.
Joint accountsAuthority, survivorship form, signatures, and instructions.
Corporate / partnership / LLC accountsResolutions, authorized traders, beneficial owners, investment powers.
Trust and fiduciary accountsTrustee authority, fiduciary capacity, governing documents, prudent investment limits.
Discretionary accountsWritten customer authorization and firm acceptance; principal review of discretionary activity.
Margin accountsMargin agreement, risk disclosure, approval, suitability for strategy, and ongoing maintenance.
Options accountsRequire specialized options approval and supervision; do not assume Series 24 alone covers the options principal role.
DVP/RVP accountsSettlement instructions, institutional suitability, trade affirmations, and fail controls.
Senior or vulnerable investorsEscalate suspected exploitation, unusual withdrawals, caregiver influence, or sudden objective changes.

Reg BI and Suitability Decision Table

QuestionReg BI / suitability answer
Is the customer a retail customer receiving a recommendation?Regulation Best Interest applies.
Is the recommendation about a security, strategy, account type, rollover, or transfer?Treat as potentially covered by Reg BI.
Is the communication only education or general market commentary?May not be a recommendation, but facts and context matter.
Can disclosure alone cure every conflict?No. Some conflicts must be mitigated or eliminated under the firm’s policies and applicable rules.
Does a low-cost product always win?No. Cost is important but must be evaluated with risks, objectives, features, liquidity, tax impact, and alternatives.
Does FINRA suitability still matter?Yes, especially for non-retail customers and areas not displaced by Reg BI.
Institutional customer says it can evaluate independentlyInstitutional suitability obligations may be modified, but the firm still needs a reasonable basis and documented analysis.
Customer insists on unsuitable tradeIf unsolicited, document. If firm recommends, customer consent does not cure a bad recommendation.
Notes and examples

Reg BI Obligations

ObligationPrincipal supervision focus
DisclosureCapacity, fees, costs, scope of services, conflicts, limitations, and material facts.
CareReasonable diligence, care, and skill; consider risks, rewards, costs, and customer profile.
Conflict of interestIdentify, disclose, mitigate, or eliminate conflicts as required.
ComplianceWritten policies, training, surveillance, testing, and documentation.

Reg BI Review Framework

For recommendations to retail customers, think through the core broker-dealer obligations:

ObligationPrincipal review question
DisclosureWere material facts, capacity, fees, costs, and conflicts disclosed?
CareWas there a reasonable basis, customer-specific analysis, and cost/risk consideration?
ConflictWere conflicts identified, mitigated, or eliminated where required?
ComplianceDid the firm maintain policies, surveillance, training, and documentation?

Suitability Layers Still Matter

LayerMeaningExample
Reasonable-basisThe firm/rep understands the product and has a basis to recommend it to at least some investorsProduct due diligence before offering a complex note
Customer-specificThe recommendation fits this customer’s profileAvoiding an illiquid DPP for a customer needing near-term liquidity
QuantitativeSeries of recommendations is not excessive, even if each trade could be suitable aloneHigh turnover and cost-to-equity ratio in a conservative account

Customer Profile Facts to Use

Look for these facts in question stems:

  • Age and investment time horizon
  • Income, net worth, liquid net worth
  • Tax status
  • Investment objectives
  • Risk tolerance
  • Liquidity needs
  • Existing portfolio concentration
  • Investment experience
  • Financial obligations
  • Cost sensitivity
  • Whether the account is discretionary or non-discretionary

Discretion, Authorization, and Trading Authority

SituationDiscretionary?Exam note
Rep chooses security, amount, or action without customer approvalYesRequires written authorization and account acceptance.
Customer gives same-day time and price discretion onlyUsually noMust be limited to time/price and same trading day unless written authorization exists.
Rep decides to sell because market is fallingYesMarket urgency does not remove authorization requirement.
Customer gives verbal ongoing authorityYes, but insufficientWritten customer authorization and firm approval are required.
Investment adviser places trades under advisory agreementDependsVerify authority, account documentation, and firm procedures.

AML, CIP, Sanctions, and Financial Crime Controls

Control areaWhat to know
AML programWritten policies, designated AML officer, training, independent testing, CIP, monitoring, and escalation.
CIPCollect and verify required identifying information before or within a reasonable time after account opening.
Beneficial ownershipIdentify and verify beneficial owners for legal entity customers when applicable.
Suspicious activityEscalate patterns that lack legitimate business purpose.
SAR confidentialityDo not disclose that a SAR was filed or considered.
OFAC / sanctionsScreen customers, counterparties, and transactions under firm procedures.
Funds movementThird-party wires, rapid in-and-out transfers, foreign accounts, and mismatched names are red flags.
Penny stock depositsLarge deposits of low-priced securities followed by liquidation and outgoing wires are classic AML and manipulation red flags.
Notes and examples

AML Red Flags

Red flagSupervisory response
Customer refuses identity informationDo not open or restrict account; escalate.
Many small deposits just below reporting thresholdsConsider structuring risk.
No apparent business purposeInvestigate and document.
Foreign shell entity with opaque ownershipEnhanced review.
Sudden liquidation of penny stocksReview for unregistered distribution, manipulation, and suspicious activity.
Third-party payment to unrelated personVerify purpose and authority; escalate if inconsistent.
Customer asks about avoiding reportsTreat as suspicious.

AML, CIP, and Financial Crime Red Flags

A principal should know how suspicious activity may appear in securities accounts.

Red flagWhy it matters
Customer refuses identity informationCIP/AML concern
Rapid movement of funds with little investment purposePotential money laundering
Third-party wires inconsistent with customer profilePossible fraud or layering
Low-priced securities deposited and quickly liquidatedMicrocap manipulation or unregistered distribution concern
Customer appears controlled by someone elseElder exploitation, power-of-attorney abuse, or beneficial owner concern
Activity inconsistent with occupation/incomeSource-of-funds and suspicious activity concern
Attempts to avoid reporting thresholdsStructuring concern
Sanctions or negative news hitEscalate under firm AML/OFAC procedures

Principal answer pattern: pause, investigate, escalate to AML/compliance, document, and file/report when required by firm procedures and law.

Product Supervision Matrix

Product / strategyPrincipal suitability and disclosure focus
Common stockMarket risk, concentration, volatility, issuer fundamentals, liquidity.
Preferred stockInterest-rate sensitivity, call risk, credit risk, dividend priority, limited voting rights.
Corporate bondsCredit risk, interest-rate risk, call risk, yield-to-worst, liquidity, markup/markdown.
High-yield debtDefault risk, liquidity risk, suitability, misleading “high income” claims.
Municipal securitiesSpecialized rules and principal qualifications may apply; do not assume Series 24 covers municipal principal supervision.
Mutual fundsShare class, breakpoint availability, switching, sales charges, expense ratios, investment objective.
ETFsMarket price vs NAV, tracking error, liquidity, leveraged/inverse risks.
Leveraged / inverse fundsUsually short-term objective; compounding and volatility decay; heightened supervision.
UITsFixed portfolio, termination date, sales charges, rollover suitability.
Variable annuitiesSurrender charges, tax deferral, mortality and expense charges, riders, replacements, liquidity, long time horizon.
DPPs / non-traded REITsIlliquidity, valuation uncertainty, fees, tax issues, concentration, distribution sustainability.
Structured productsEmbedded derivatives, issuer credit risk, payoff formula, caps, barriers, call features, secondary market risk.
OptionsRequires specialized approval and supervision; focus on customer approval level, risk disclosure, strategy risk.
Penny stocksDisclosure, suitability, compensation, liquidity, manipulation risk.
Private placementsDue diligence, exemption, accredited/institutional status, conflicts, compensation, resale limits.
New issues / IPOsAllocation restrictions, conflicts, prospectus delivery, flipping, spinning, restricted persons.
Notes and examples

Equity Securities

TopicReview point
Common stockOwnership, voting rights, dividends not guaranteed
Preferred stockDividend preference; may be callable, convertible, cumulative, or participating
RightsShort-term privilege to buy additional shares, often below market
WarrantsLonger-term right to buy shares; speculative and often detachable
ADRsForeign issuer exposure, currency/geopolitical risk, depositary structure

Corporate Debt

TopicReview point
Price/yieldBond prices and yields move inversely.
Credit riskIssuer may fail to pay interest/principal.
Interest-rate riskLonger maturities and lower coupons generally have greater sensitivity.
Call riskIssuer may redeem when rates fall, limiting upside/reinvestment options.
Convertible debtHas bond value plus equity conversion feature.
High-yield debtGreater default risk; do not present as “safe income.”

Useful review formulas:

\[ \text{Current Yield} = \frac{\text{Annual Interest}}{\text{Market Price}} \]\[ \text{Conversion Ratio} = \frac{\text{Par Value}}{\text{Conversion Price}} \]\[ \text{Parity Price of Convertible Bond} = \text{Market Price of Stock} \times \text{Conversion Ratio} \]

Investment Company Products

Product/issuePrincipal review point
Open-end mutual fundBought/sold at NAV plus any sales charge; forward pricing applies.
Closed-end fundTrades in secondary market; may trade at premium/discount to NAV.
ETFIntraday trading; market price may diverge from NAV; liquidity varies.
Leveraged/inverse fundOften designed for short-term objectives; compounding risk is frequently misunderstood.
BreakpointsEnsure customer receives available sales charge discounts.
Letter of intentCustomer may qualify for breakpoint based on intended purchases.
Rights of accumulationExisting holdings may count toward breakpoint.
Switching fundsMust have valid basis; watch commission generation.
B sharesDeferred sales charges and higher expenses; unsuitable for some customers.

Variable Products

TopicReview point
Variable annuityInsurance product with securities subaccounts; suitability depends on long-term objective, tax treatment, fees, surrender charges.
Exchange/replacementReview benefits lost, new surrender period, fees, riders, and customer need.
Tax-deferred featureLess valuable in tax-advantaged accounts unless other benefits justify purchase.
RidersCan be costly and complex; explain conditions and limitations.
LiquiditySurrender charges and tax penalties may apply.
Trap“Guarantee” may apply only to specific rider/base, not account value or investment performance.

Direct Participation Programs and Private Placements

TopicReview point
IlliquiditySecondary market may be limited or nonexistent.
Tax featuresBenefits are complex and not guaranteed.
Due diligenceFirm must understand issuer, sponsor, use of proceeds, risks, fees, and conflicts.
SuitabilityConcentration, liquidity need, risk tolerance, and investment horizon are central.
CompensationHigh commissions are a conflict and require supervision.
Offering documentsMust be consistent, balanced, and not misleading.
TrapAccredited investor status alone does not make a recommendation appropriate.

Complex Products

Product typeKey supervision concern
Structured notesCredit risk of issuer, payoff formula, caps, barriers, liquidity
Leveraged/inverse ETFsHolding period and compounding effects
Non-traded REITsIlliquidity, valuation, distributions from return of capital
Principal-protected notesProtection depends on issuer credit and terms
High-yield productsCredit/default risk and concentration
Alternative investmentsValuation, liquidity, fees, conflicts, due diligence

Margin Cheat Sheet

Core Formulas

\[ \text{Long Account Equity} = \text{Long Market Value} - \text{Debit Balance} \]\[ \text{Short Account Equity} = \text{Credit Balance} - \text{Short Market Value} \]
ConceptPlain-English rule
Regulation T initial marginInitial margin for marginable equity purchases is commonly tested as 50% of purchase price.
Long maintenanceCustomer must maintain minimum equity; firm house requirements may be higher.
Short maintenanceShort accounts require equity based on short market value; requirements can rise as the stock price rises.
SMASpecial Memorandum Account reflects excess equity; it can create buying power but is not actual cash.
Restricted accountEquity is below initial requirement but above maintenance; trades may still occur if requirements are met.
Margin callCustomer must deposit funds or securities; extensions are not automatic.
Pattern day tradingHas special equity and buying power rules; firm must monitor.
Portfolio marginRisk-based and available only to approved eligible accounts.
Notes and examples

Margin Traps

TrapCorrect view
“The customer signed the margin agreement, so any strategy is fine.”Margin approval does not eliminate suitability or Reg BI obligations.
“SMA means the customer has cash.”SMA is a credit line / buying power concept, not cash sitting in the account.
“FINRA minimums are all that matter.”Firm house requirements may be stricter.
“Short sale risk is limited.”Short sale loss potential is theoretically unlimited.
“Maintenance call can be ignored if the customer is wealthy.”Calls require prompt handling under firm policy and applicable rules.

Margin and Credit Basics

Series 24 candidates do not need to turn every margin question into a math contest, but principals must recognize risk.

ConceptReview point
Margin account approvalRequires customer risk review and required disclosures.
Debit balanceAmount customer borrows from broker-dealer.
EquityCustomer’s ownership value in margin account.
Maintenance callTriggered when equity falls below maintenance requirement.
SMASpecial Memorandum Account; buying power concept, not the same as cash equity.
Day tradingCan trigger special margin and supervision concerns.
Concentrated margin positionIncreased risk of rapid liquidation and customer complaint.

Basic long margin relationship:

\[ \text{Equity} = \text{Market Value} - \text{Debit Balance} \]

Order Handling and Trading Supervision

AreaPrincipal review point
Best executionFirm must use reasonable diligence to obtain favorable terms under market conditions.
Order ticketsAccurate time, terms, capacity, solicited/unsolicited status, and account information.
Customer limit order protectionFirm generally cannot trade ahead of a customer limit order without satisfying rule exceptions.
Limit order displayMarket makers must display qualifying customer limit orders unless an exception applies.
Trade-through protectionRegulation NMS protects better-priced displayed quotations for NMS stocks.
Payment for order flowMust be disclosed and considered in best execution review.
Markups / markdownsMust be fair and reasonable; “5%” is a guideline, not a safe harbor.
ConfirmationsCapacity, price, remuneration, settlement, and required disclosures must be accurate.
Trade reportingEquity and fixed-income trades must be reported to the proper facility within required timeframes.
Error accountsMust not be used to hide losses, favor accounts, or avoid customer complaint issues.
Cancel and rebillRequires valid reason, documentation, and supervisory approval.
Notes and examples

Order Handling Essentials

ConceptReview point
Best executionFirm must use reasonable diligence to obtain favorable terms under market conditions.
Time priorityCustomer orders must be handled fairly and promptly.
Limit order protectionDo not trade ahead of protected customer limit orders without satisfying applicable requirements.
CapacityAgency, principal, and riskless principal capacity must be accurate.
Solicited vs unsolicitedImpacts supervision, suitability review, and complaint analysis.
Long vs short markingOrders must be marked correctly; short sale rules may apply.
Trade reportingTimely and accurate reporting matters; late or incorrect reporting is a supervisory issue.
Customer confirmationsMust accurately disclose required trade information.

Best Execution Decision Points

Question stem factPrincipal should consider
Firm routes to affiliateConflict, payment for order flow, regular and rigorous review
Illiquid OTC securityPrice discovery, markups, customer disclosure, manipulation risk
Large customer orderMarket impact, confidentiality, front-running controls
Multiple market centersExecution quality statistics and routing rationale
Error discovered after executionCorrection process, customer fairness, documentation

Prohibited and Manipulative Trading Conduct

ConductMeaning / exam cue
Front runningTrading while aware of an imminent customer or block transaction.
Trading ahead of researchTrading before publication of material research information.
ChurningExcessive trading considering customer objectives and account profile, especially where rep controls activity.
Wash tradesTrades with no change in beneficial ownership, creating false activity.
Matched ordersCoordinated trades to create misleading volume or price.
Marking the close / openTrading to influence closing or opening price.
Spoofing / layeringEntering orders without intent to execute to mislead the market.
Quote stuffingExcessive orders/cancellations to disrupt or mislead.
Pegging / fixing / stabilizing outside rulesManipulating price unless permitted under specific offering rules.
Parking securitiesTemporarily placing securities with another party to conceal ownership or position.
InterpositioningPlacing an unnecessary party between customer and market, increasing cost.
Backing awayMarket maker fails to honor a firm quote.
Pump and dumpPromotional hype followed by insider liquidation.
Free-riding and withholdingImproper allocation or retention of new issue shares.
Rumor circulationSpreading false or misleading market information.
Notes and examples

Market Manipulation and Prohibited Trading Conduct

ConductWhat it looks like
Wash tradesNo real change in beneficial ownership; creates false activity
Matched ordersCoordinated trades to create appearance of market activity
Marking the closeTrades intended to influence closing price
Pump and dumpPromotional campaign plus selling into inflated demand
Spoofing/layeringNon-bona fide orders intended to move market perception
Front-runningTrading based on knowledge of pending customer or firm activity
Trading ahead of researchUsing pending research before public dissemination
InterpositioningAdding unnecessary broker-dealer between customer and market
Excessive markups/markdownsUnfair pricing relative to market and service provided

Principal response: do not “monitor only” if the facts already show suspicious conduct. Escalate, restrict activity if appropriate, preserve records, and investigate.

Short Sale and Regulation SHO Reference

TopicExam focus
Order markingOrders must be marked long, short, or short exempt as appropriate.
Locate requirementBroker-dealer must have reasonable grounds to believe the security can be borrowed before accepting or effecting a short sale, unless an exception applies.
Easy-to-borrow listCan support locate if reasonable and current; not a blanket excuse.
Fails to deliverPersistent fails trigger close-out requirements.
Threshold securitiesSecurities with significant fails receive heightened close-out attention.
Short sale circuit breakerAlternative price test restrictions may apply after a significant decline.
Long sale vs short saleA customer must be net long and able to deliver for a long sale marking.
“Short against the box”Customer owns securities but sells short; still requires proper marking and margin treatment.
Notes and examples

Short Sales and Regulation SHO Concepts

ConceptWhat to remember
LocateBefore effecting a short sale, the firm generally needs reasonable grounds to believe the security can be borrowed and delivered.
Order markingOrders must be accurately marked long, short, or short exempt.
Close-outFails to deliver can trigger close-out obligations.
Easy-to-borrow listCan support locate procedures if properly maintained and reasonable.
Threshold securitiesSignal persistent fails and heightened close-out attention.
TrapA customer saying “I own it” does not always make the order long if the customer cannot deliver by settlement.

Research, Information Barriers, and Conflicts

AreaPrincipal control
Research analyst independenceInvestment banking cannot control research content or recommendations.
DisclosuresConflicts, ownership, compensation, market making, investment banking relationships, and ratings distribution as required.
Analyst compensationCannot be tied to a specific investment banking transaction.
Personal tradingRestricted to prevent trading ahead, conflicts, and misuse of information.
Public appearancesAnalysts must make required disclosures and avoid misleading statements.
Information barriersSeparate investment banking, research, trading, and sales where material nonpublic information may exist.
Watch / restricted listsUsed to control trading and communications around sensitive issuers.
Reg ACResearch analyst certifications support integrity of views and compensation disclosure.
Notes and examples

Material Nonpublic Information

MNPI is information that is both:

  • Material: a reasonable investor would consider it important, or it would likely affect price.
  • Nonpublic: not broadly disseminated to the marketplace.
SituationPrincipal response
Investment banker tells trader about pending mergerStop misuse, escalate, preserve information barrier.
Rep hears customer CEO mention earnings missEscalate; do not trade or recommend based on information.
Analyst report pending upgradeControl access, prevent trading ahead, follow research procedures.
Rumor in public chatroomStill investigate; public rumor is not automatically reliable or tradable.

Research Conflicts

RiskControl
Investment banking pressures analystSeparation, supervision, and prohibition on improper influence
Analyst owns covered securityDisclosure and personal trading restrictions
Selective preview of reportControl dissemination; avoid tipping favored customers
Promissory languageRequire balanced research basis and disclosures
Compensation conflictDisclose and supervise

Investment Banking and Underwriting

Securities Act Offering Stages

StageWhat is generally allowed / prohibited
Pre-filing periodNo offers unless an exception applies. Watch gun-jumping.
Waiting / cooling-off periodOffers may be made, indications of interest may be taken, preliminary prospectus may be used; no sales until effective.
Effective / post-effective periodSales may occur; final prospectus and confirmations handled under delivery rules.
Shelf registrationAllows delayed or continuous offerings by eligible issuers; still requires compliance with offering and communication rules.
Exempt offeringRegistration exemption does not remove antifraud, suitability, AML, compensation, and supervision duties.
Notes and examples

Offering Documents and Communications

Document / communicationExam point
Registration statementFiled with SEC; includes prospectus and additional information.
Preliminary prospectus / red herringUsed during waiting period; omits final price and effective date.
Final prospectusUsed after effectiveness with final offering terms.
Free writing prospectusPermitted only under rule conditions; must not conflict with registration statement.
Tombstone adLimited announcement; not a full sales piece.
Indication of interestNon-binding before effectiveness.
ConfirmationCannot be sent as a sale confirmation before effectiveness.
Road showOffering communication; content and access controls matter.

Underwriting Types

TypeMeaningPrincipal concern
Firm commitmentUnderwriter buys from issuer and resells to public.Underwriter has inventory risk; compensation and distribution controls.
Best effortsUnderwriter acts as agent, no guarantee all shares sold.Escrow, contingency, suitability, and disclosure.
All-or-noneEntire offering must be sold or funds returned.Escrow and no partial closing.
Mini-maxMinimum must be sold; can continue to maximum.Escrow until minimum; clear disclosure.
StandbyUnderwriter purchases unsubscribed shares in rights offering.Conflicts, pricing, and issuer relationship.
NegotiatedIssuer selects underwriter directly.Conflicts and compensation review.
Competitive bidUnderwriter selected by bid.Bid terms and syndicate controls.

Regulation M and Distribution Controls

Rule conceptWhat to remember
Distribution participant restrictionsUnderwriters, broker-dealers, and other participants may be restricted from bidding for or purchasing the offered security during a distribution.
Issuer / selling security holder restrictionsIssuers and selling holders also face restrictions during distributions.
StabilizationPermitted only under specific conditions and disclosure; cannot be used as general market support.
Penalty bidSyndicate may reclaim selling concession if shares are quickly flipped; must be handled under applicable rules.
Covering transactionSyndicate covers short position created in distribution.
Rule 105 conceptShort sales before certain public offerings can restrict purchasing in the offering.
Exception trapActively traded securities and other exceptions are fact-specific; do not assume Regulation M never applies.
Notes and examples

Regulation M: Distribution Controls

Regulation M questions usually test whether the firm recognizes that distribution participants may be restricted from bidding for or purchasing covered securities during a restricted period.

ConceptPrincipal review point
Distribution participantUnderwriters, prospective underwriters, brokers, dealers, and others participating in a distribution
Covered securityThe security in distribution and certain related securities
Restricted periodPeriod when bidding/purchasing restrictions may apply
StabilizationPermitted only under specific conditions and disclosure/record requirements
Passive market makingLimited exception for certain Nasdaq securities under conditions
Penalty bidArrangement allowing managing underwriter to reclaim selling concession if securities are quickly flipped
Trap“We are only supporting the price” is not a defense; that is exactly why Regulation M exists.

IPO and New Issue Allocation

IssueExam focus
Restricted personsCertain industry insiders and related persons generally cannot receive new issue allocations.
Account representationsFirm must obtain and rely on appropriate representations under procedures.
SpinningAllocating IPO shares to executives or directors to win investment banking business is prohibited.
Quid pro quo allocationCannot allocate hot issues in exchange for excessive compensation or future business.
FlippingRapid resale may trigger syndicate penalty bid or supervisory review.
Market orders before secondary tradingWatch restrictions on accepting market orders for new issues before trading begins.
Directed share programsMust be administered under offering terms and allocation rules.
WithholdingFirm or associated persons cannot improperly retain shares meant for public distribution.
Notes and examples

IPO and New Issue Allocation Traps

IssueReview point
Restricted personsCertain industry insiders and related accounts are generally restricted from buying new equity issues.
Portfolio managersAllocations can raise conflict concerns.
SpinningAllocating IPO shares to executives or directors to win investment banking business is prohibited.
FlippingImmediate resale may trigger penalty bids or allocation review.
Friends-and-family programsMust be controlled and documented.
Hot issue demandHigh demand does not justify unfair, conflicted, or prohibited allocations.

Private Placements and Exempt Offerings

Exemption / conceptPrincipal review focus
Regulation DInvestor status, solicitation limits, disclosure, resale restrictions, bad actor issues, and suitability.
Rule 506(b)No general solicitation; investor sophistication and accredited investor analysis matter.
Rule 506(c)General solicitation may be permitted, but accredited investor verification is heightened.
Rule 144AResales to qualified institutional buyers; institutional market, not retail distribution.
Regulation SOffshore offers and sales; avoid directed selling efforts into the United States.
Rule 144Safe harbor for resale of restricted and control securities; holding period, volume, manner-of-sale, current information, and notice conditions may apply.
Member private offeringsConflicts, use of proceeds, filing obligations or exemptions, and investor disclosure.
Due diligenceBroker-dealer must conduct reasonable investigation; cannot blindly rely on issuer statements.
Selling compensationMust be disclosed and reasonable; watch undisclosed finder fees.
EscrowContingency offerings require proper handling of investor funds.
Notes and examples

Private Placement Red Flags

Red flagPrincipal response
Issuer refuses financial statements or background informationEscalate; consider declining.
High commissions or vague use of proceedsHeightened review and disclosure.
Guaranteed returnsMisleading unless legally and factually supportable, which is rare.
Retail investors with liquidity needsSuitability / Reg BI problem.
Resale promised soonPrivate placement securities are often restricted or illiquid.
Related-party issuerConflict disclosure and independent diligence.
Sales script differs from PPMStop use, correct, investigate prior sales.

Customer Complaints and Escalation

Complaint issueCorrect principal action
Written customer grievanceTreat as complaint; preserve, escalate, investigate, and report if required.
Oral complaintMay not be a “written complaint,” but still a red flag requiring review.
Sales practice allegationInvestigate representative conduct, account history, communications, and supervision.
SettlementMust follow firm authority; no unauthorized side agreements.
Complaint about another firmStill evaluate whether your firm or rep has involvement.
Multiple similar complaintsPattern requires heightened supervision and possible broader review.
U4/U5 impactDetermine disclosure obligations accurately and timely.
Arbitration / litigationPreserve records and coordinate with legal/compliance.

Books, Records, and Financial Responsibility

AreaPrincipal exam focus
SEC books and recordsOrder tickets, blotters, ledgers, confirmations, account records, communications, complaints, and supervisory records must be preserved.
Electronic recordsMust be accessible, non-alterable where required, backed up, and producible.
Customer account recordsMust be accurate and periodically verified under firm procedures and applicable rules.
Communications recordsBusiness communications through email, text, chat, social media, and approved platforms must be retained.
Net capitalBroker-dealer must maintain minimum liquid capital; withdrawals and business expansion can trigger issues.
Customer protection ruleRequires segregation and reserve protections for customer funds and securities.
Fully paid securitiesMust not be improperly used for firm financing.
Possession or controlFirm must be able to obtain and safeguard customer securities.
Reserve formulaProtects customer credits from broker-dealer misuse.
FOCUS reports / financial filingsFinancial reporting must be accurate and timely.
Business continuity planMust address emergencies, data backup, communications, mission-critical systems, and customer access.
Cybersecurity and privacyProtect customer information, restrict access, and escalate breaches under procedures.
Notes and examples

Net Capital Concept

\[ \text{Net Capital} = \text{Allowable Assets} - \text{Liabilities} - \text{Required Deductions and Haircuts} \]
ComponentMeaning
Allowable assetsLiquid assets recognized for net capital purposes.
Non-allowable assetsIlliquid or unsecured items deducted from capital.
HaircutsMarket-risk deductions applied to proprietary positions.
Aggregate indebtednessCustomer and creditor liabilities used in the standard net capital ratio approach.
Early warningFinancial deterioration requires prompt escalation before insolvency.

High-Yield Rule Distinctions

DistinctionDo not confuse
Correspondence vs retail communicationBased largely on number and type of recipients, not whether it looks like advertising.
Review vs approvalReview may be after use; approval means authorization before activity when required.
Filing vs approvalFiling with FINRA does not mean FINRA approved the material.
OBA vs private securities transactionOBA is outside business; PST involves securities transactions outside the firm.
Notice vs approvalOBA generally starts with prior written notice; compensated PST requires firm approval or disapproval.
Written complaint vs oral complaintWritten complaint triggers specific complaint handling; oral complaint can still be a red flag.
Solicited vs unsolicitedUnsolicited status does not fix AML, manipulation, or account authorization issues.
Suitability vs Reg BIReg BI applies to retail recommendations; suitability principles remain important for other contexts.
Education vs recommendationFacts and context decide; labels do not control.
Margin approval vs strategy approvalMargin account approval does not make every margin strategy appropriate.
Best efforts vs firm commitmentBest efforts has no underwriting inventory risk; firm commitment does.
Exempt offering vs unregulated offeringExempt from registration does not mean exempt from antifraud or supervision.
Restricted securities vs control securitiesRestricted relates to acquisition in unregistered transaction; control relates to affiliate status.
Stabilization vs manipulationStabilization is permitted only under strict offering rules.

Principal Approval Checklist

Use this checklist when a scenario asks, “What should the principal do?”

ActivityPrincipal checklist
New accountCIP complete; authority verified; customer profile sufficient; account type appropriate; disclosures delivered; approval documented.
RecommendationReg BI/suitability basis; costs and alternatives considered; conflicts mitigated/disclosed; customer profile current.
Discretionary tradingWritten customer authorization; firm acceptance; order review; no unauthorized discretion.
MarginAgreement and disclosure; strategy suitability; equity and calls monitored; house requirements applied.
Retail communicationCorrect classification; prior approval if required; balanced content; filing if required; records retained.
ComplaintPreserve, escalate, investigate, respond accurately, evaluate reporting and disclosure.
Outside activityPrior notice; conflict review; conditions; records.
Private securities transactionPrior notice; compensation analysis; approve/supervise/record or disapprove.
Private placementExemption, due diligence, investor qualification, PPM consistency, compensation, filing, suitability.
Trade exceptionReview best execution, order protection, manipulation, reportability, corrections.
Branch issueInspect, interview, sample records, review correspondence, test procedures, document findings.
AML alertInvestigate, restrict if needed, escalate to AML officer, consider SAR, preserve confidentiality.

Common Exam Traps

TrapBetter answer
“The rep is experienced, so less supervision is needed.”Experience may reduce training need but does not remove supervision.
“The customer is wealthy, so the product is suitable.”Wealth alone does not establish best interest or suitability.
“The customer signed all forms.”Forms do not cure misleading disclosure, unsuitable recommendations, or unauthorized activity.
“The trade was profitable, so no violation occurred.”Rule violations do not depend on customer loss.
“The branch manager approved it verbally.”Required approvals and records must follow firm procedures.
“It was unsolicited, so the firm has no duties.”Order handling, AML, manipulation review, margin, and records still apply.
“Institutional communication does not need supervision.”It still requires procedures, content standards, and review.
“A prospectus contains the risks, so sales scripts can emphasize only upside.”Communications must be fair and balanced.
“A principal can approve his or her own production without controls.”Producing manager conflicts require independent review.
“A private placement exemption removes FINRA oversight.”Broker-dealer conduct, communications, diligence, and suitability rules still apply.
“Reg BI only requires disclosure.”It also requires care, conflict, and compliance obligations.
“Customer consent permits prohibited activity.”Consent does not authorize fraud, manipulation, unauthorized discretion, or unsuitable recommendations.

Last-Week Review Priorities

  1. Memorize the communication categories and the approval/review/filing differences.
  2. Drill OBA vs private securities transaction vs outside brokerage account.
  3. Review Reg BI obligations and how they interact with recommendations.
  4. Practice principal-response questions: stop, investigate, escalate, document, supervise, restrict.
  5. Revisit underwriting stages, Regulation M, IPO allocation, and private placement due diligence.
  6. Review manipulation examples until you can identify them from facts, not labels.
  7. Know margin equity formulas and why maintenance problems create supervisory issues.
  8. Review AML red flags and SAR confidentiality.
  9. Study branch, OSJ, producing manager, and heightened supervision scenarios.
  10. Practice with mixed scenarios where more than one rule applies.

Principal Mindset: What the Exam Is Really Testing

If the question asks…Think like a principal by asking…
“Can the rep do this?”Is the rep registered, supervised, approved, and acting within permitted activity?
“Can the firm publish this?”Is it fair and balanced, approved if required, filed if required, and properly supervised?
“Can the customer buy this?”Is the recommendation in the customer’s best interest/suitable, documented, and conflict-managed?
“Can the trade be executed?”Are order handling, best execution, capacity, reporting, and manipulation rules satisfied?
“Can investment banking proceed?”Are underwriting, research, allocation, Regulation M, MNPI, and conflict controls in place?
“What should the principal do first?”Stop the harm, escalate, investigate, document, and follow WSPs.
“Which violation occurred?”Match facts to the rule: unauthorized trading, selling away, excessive trading, front-running, misleading communication, improper supervision, or undisclosed conflict.

High-Yield Series 24 Map

Use this as a compressed review map, not as a substitute for the current FINRA content outline.

AreaHigh-yield review points
Supervision and WSPsSupervisory system, designated principals, OSJs, branch inspections, written procedures, evidence of review
Registration and personnelU4/U5, statutory disqualification, outside business activities, private securities transactions, continuing education
Sales practiceReg BI, suitability, discretionary accounts, customer complaints, senior investors, gifts, borrowing/lending
CommunicationsRetail vs institutional vs correspondence, approval, filing, fair-and-balanced standards, social media
Customer accountsNew account approval, CIP/AML, margin, discretionary accounts, customer confirmations, account transfers
Trading and marketsOrder handling, best execution, limit order protection, trade reporting, short sales, market manipulation
Investment bankingSecurities offerings, due diligence, underwriting compensation, syndicates, Regulation M, new issue allocations
Research and conflictsInformation barriers, MNPI, research disclosures, analyst independence, restricted/watch lists
ProductsCorporate debt/equity, mutual funds, variable products, DPPs, ETFs/ETNs, structured and complex products
Books and recordsRecords of orders, communications, complaints, approvals, supervisory reviews, exception reports

Supervision: Core Rules to Keep Straight

A Series 24 principal is expected to know how a broker-dealer builds and operates a supervisory system.

Supervisory System vs Written Supervisory Procedures

ConceptWhat it meansExam trap
Supervisory systemThe firm’s overall structure for supervising people, offices, activities, products, and accounts“We have procedures” is not enough if no one is assigned responsibility.
WSPsWritten Supervisory Procedures describing how supervision is performedProcedures must match the firm’s actual business. Generic procedures are a red flag.
Designated principalA qualified principal assigned responsibility for specific supervisory functionsA principal cannot supervise activity outside the person’s qualification or authority.
Evidence of reviewInitials, electronic approvals, exception reports, follow-up notes, documented escalation“Reviewed” without evidence is weak on the exam and in real supervision.
Exception reportsSurveillance reports for red flags such as excessive trading, high commissions, concentration, or unusual activityReports must be reviewed and acted on, not merely generated.
Notes and examples

Office Types and Supervisory Implications

Office conceptReview points
OSJOffice of supervisory jurisdiction; typically has authority over functions such as order execution, market making, final account acceptance, structuring offerings, or supervising branch offices.
Branch officeA location where securities business is conducted and that does not fit an exclusion. Branches require appropriate supervision and inspection.
Non-branch locationMay still require risk-based supervision, even if not formally treated as a branch.
Supervisory branchRequires closer review because supervisory functions occur there.
Remote or hybrid work locationThe exam focus is not “where the person sits” but whether supervision, records, communications, cybersecurity, and inspection obligations are satisfied.

Branch Inspection Review

Know the logic even if a question does not ask for exact inspection intervals.

Higher-risk office signsPrincipal response
Produces unusually high commissionsReview accounts, recommendations, trade frequency, product mix, and customer complaints.
Sells complex or illiquid productsTest suitability/Reg BI documentation, disclosures, training, and product approval.
Has prior disciplinary historyIncrease supervision and document follow-up.
Uses outside email, texting, or personal devicesEscalate to communications supervision, records, and cybersecurity review.
Has many elderly or vulnerable customersReview trusted contact procedures, exploitation red flags, and concentration risks.

Principal Escalation Workflow

    flowchart TD
	    A[Red flag appears] --> B{Immediate customer or market harm?}
	    B -- Yes --> C[Stop activity or restrict as appropriate]
	    B -- No --> D[Investigate facts]
	    C --> D
	    D --> E{Rule, WSP, or disclosure issue?}
	    E -- Yes --> F[Escalate to compliance/legal/senior supervisor]
	    E -- No --> G[Document review and rationale]
	    F --> H[Correct, report, amend records, or discipline if required]
	    H --> I[Update surveillance, training, or WSPs if needed]
	    G --> I

Registration, Qualification, and Associated-Person Issues

U4, U5, and Disclosure Logic

EventPrincipal review angle
New registrationVerify qualification, registration category, background disclosures, fingerprints if required, and supervisory assignment.
U4 amendmentReportable information must be updated within required rule timeframes. Watch for customer complaints, liens, criminal matters, regulatory actions, and outside activities.
TerminationU5 must accurately disclose termination reason and reportable events. Inaccurate or vague termination language is a supervisory risk.
Statutory disqualificationEscalate immediately; the firm cannot ignore disqualifying events or allow unauthorized association.
Notes and examples

Outside Business Activities vs Private Securities Transactions

This is a frequent Series 24 distinction.

IssueOutside Business ActivityPrivate Securities Transaction
Core ideaBusiness activity outside the firmSecurities transaction outside regular firm employment
Compensation?Usually compensation-relatedCompensation is especially important but not the only concern
Required actionPrior written notice to the firmPrior written notice before participating
If compensation in a securities transactionMay become PST and require firm approval/supervisionIf approved, firm must supervise and record as if conducted through the firm
Common violationRep has paid side business not disclosedSelling away in promissory notes, private placements, crypto-related securities, or real estate securities

Candidate Trap

Do not choose “the rep may proceed because the customer requested it” if the activity is outside the firm, involves securities, or creates compensation/conflict issues. Customer demand does not cure selling away, unauthorized recommendations, or failure to supervise.

Discretionary Accounts and Unauthorized Trading

SituationExam treatment
Rep chooses security, amount, or action without customer approvalDiscretion; requires written customer authorization and firm/principal acceptance.
Rep only chooses price or time for an orderGenerally not treated as full discretion if limited to the same trading day.
Customer says “do whatever you think is best”Not enough by itself; get written authorization and account approval.
Trade entered after customer approval but with changed material termsPotential unauthorized trading.
Principal discovers pattern of trades before approvalsInvestigate, stop activity, document, and consider customer remediation/reporting.

Common Sales Practice Violations

ViolationWhat to spot
Churning/excessive tradingControl, excessive activity, and customer harm/costs
Unauthorized tradingTrade lacks customer authorization or exceeds granted discretion
Unsuitable recommendationProduct or strategy conflicts with customer profile
Misrepresentation/omissionRisks, fees, liquidity, guarantees, or conflicts are misstated or omitted
Selling awaySecurities transaction outside firm without required notice/approval/supervision
Front-runningTrading ahead of customer or research/market-moving information
Guaranteeing performancePromising no loss, fixed return not supported by product terms, or firm backstop
Improper sharingSharing in customer profits/losses without required approval and proportional contribution rules
Improper borrowing/lendingLoan arrangement with customer outside firm procedures and permitted categories
Improper gifts/entertainmentExcessive or quid-pro-quo benefits, especially around product sales or investment banking

Senior Investors and Vulnerable Adults

Series 24 questions often test whether the principal recognizes exploitation risk.

Fact patternBest principal response
Elderly customer suddenly wires funds to unknown third partyEscalate, contact appropriate internal group, consider temporary hold if permitted, review trusted contact.
New caregiver requests liquidationVerify authority, contact customer, review POA, escalate exploitation concerns.
Customer seems confused after years of consistent activitySlow down, document, involve supervisor/compliance.
Rep pressures senior into illiquid high-commission productReview Reg BI/suitability, compensation conflicts, disclosures, and possible discipline.

Customer Accounts and Account Supervision

New Account Review

ItemWhy principal cares
Customer identityCIP/AML and account opening requirements
Customer profileSuitability/Reg BI analysis
Account typeIndividual, joint, corporate, trust, retirement, discretionary, margin
Trading authorityVerify who may act and under what documents
Investment objectiveMust be reasonable and consistent with recommendations
Risk toleranceWatch mismatch with complex or leveraged products
Liquidity needsCritical for DPPs, private placements, variable products, and long-term products
Margin approvalRequires suitability and risk disclosure review
Options or specialized productsMay require separate product approval and principal qualifications
Notes and examples

Account Transfer and Customer Record Issues

IssueExam point
ACATS transferFirm must process accurately and resolve exceptions.
Customer complaint during transferDo not delay improperly; escalate and document.
Incorrect cost basis or position dataCorrect records and communicate clearly.
Transfer of proprietary/illiquid productsExplain limitations; do not mislead customer about transferability.

Books, Records, and Evidence of Supervision

The exam often rewards the answer that creates a defensible record.

Record typeWhy it matters
Order ticketsEvidence of terms, time, capacity, solicited/unsolicited status, and execution handling
New account documentsCustomer profile, approvals, margin/discretionary authority
CommunicationsAdvertising, email, social media, correspondence, institutional communications
ComplaintsWritten customer grievances and firm response
Trade confirmationsCapacity, price, commission/markup, settlement, security details
Exception reportsEvidence of surveillance and follow-up
WSP updatesShows supervisory system evolves with business and risk
Training recordsEvidence of firm element, product training, and remedial action
Approval logsPrincipal review for accounts, communications, private placements, outside activities

Corporate Finance and Underwriting Review

Offering Types

OfferingPrincipal review points
Registered offeringRegistration statement, prospectus delivery, communications rules, due diligence
Private placementInvestor eligibility, offering documents, due diligence, compensation, suitability/Reg BI
Firm commitment underwritingUnderwriter buys from issuer and resells; underwriter bears distribution risk
Best efforts underwritingUnderwriter acts as agent and does not guarantee full sale
All-or-noneOffering must be fully sold or funds returned
Minimum-maximumMinimum must be reached before closing; funds may be held pending contingency
Shelf offeringIssuer may sell securities over time under an effective registration framework
Follow-on offeringExisting public company issues additional securities
Notes and examples

Underwriting Participants

RoleFunction
IssuerCompany selling securities
Managing underwriterCoordinates underwriting, syndicate, pricing, allocation, compliance
Syndicate memberParticipates in distribution and may share liability/compensation
Selling groupAssists in selling but typically has narrower role than syndicate member
Market makerMay face Regulation M restrictions during distributions
Research departmentMust remain separated from investment banking influence under applicable rules

Complaints, Internal Investigations, and Reporting

Complaint Review

FactPrincipal action
Written customer grievance alleging sales practice issueTreat as complaint; preserve, investigate, and escalate.
Oral complaintMay not meet every technical record/report definition, but still a red flag requiring supervisory attention.
Complaint alleges unauthorized tradingReview order tickets, phone/email records, confirmations, pattern, and rep history.
Complaint alleges misrepresentationCompare communication, prospectus/offering documents, notes, and customer profile.
Multiple small complaints against same repPattern matters; increase supervision and consider discipline.

Internal Investigation Pattern

  1. Identify potential customer harm or market integrity issue.
  2. Stop ongoing misconduct if needed.
  3. Gather documents, communications, trade data, approvals, and supervisory records.
  4. Interview relevant personnel if appropriate.
  5. Escalate to compliance/legal/senior management.
  6. Determine reporting, correction, restitution, discipline, or procedure updates.
  7. Document every material step.

Gifts, Entertainment, Compensation, and Conflicts

IssueSeries 24 review point
GiftsWatch dollar limits, aggregation, business purpose, and quid-pro-quo concerns.
EntertainmentMust be reasonable, not disguised compensation, and typically associated with business interaction.
Non-cash compensationProduct-specific rules may restrict sales contests, prizes, and incentives.
Referral feesMust comply with registration, disclosure, and compensation rules.
Revenue sharingRequires disclosure and conflict management.
Differential compensationCan create incentives to recommend higher-paying products.
Investment banking compensationMust not improperly influence research or allocations.

Firm Procedures and Control Functions

Compliance vs Supervision

FunctionRole
Business supervisorDirectly supervises associated persons and business activity.
ComplianceAdvises, monitors, tests, and supports regulatory program.
LegalInterprets law, manages litigation/regulatory matters.
Senior managementOwns firm-wide supervisory culture and resources.
PrincipalCannot outsource responsibility merely because compliance exists.

Common “Best Answer” Pattern

If one answer says “the principal should personally approve all transactions forever” and another says “the firm should apply risk-based heightened supervision with documented review,” the second is often better. FINRA-style questions frequently prefer reasonable, documented, risk-based supervision over unrealistic blanket controls.

Important Distinctions Candidates Miss

DistinctionDo not confuse
OBA vs PSTOutside work is not always a securities transaction; securities transactions outside the firm raise selling-away concerns.
Correspondence vs retail communicationCount retail recipients and time period.
Institutional communication vs no rulesInstitutional content still cannot be misleading.
Time/price discretion vs full discretionSame-day time/price discretion is different from choosing security/action/amount.
Accredited investor vs suitable investorEligibility does not equal suitability or best interest.
Principal approval vs regulatory filingApproval and filing are separate concepts.
Complaint vs inquiryA grievance alleging wrongdoing is different from a routine service question.
Agency vs principal capacityCapacity affects disclosures, compensation, and confirmations.
Best efforts vs firm commitmentDistribution risk differs.
Restricted list vs watch listRestricted list limits activity; watch list monitors sensitive situations.
Research report vs sales materialResearch has analyst/conflict rules; sales material has communication rules.

Quick Tables for Exam-Day Recall

“What Should the Principal Do?”

ScenarioStrong answer
Rep recommends complex product without trainingStop recommendations until trained/approved; review affected accounts.
Customer alleges unauthorized tradesInvestigate immediately, review records, escalate, document.
Email promises guaranteed returnDo not approve; correct, train, and consider customer remediation.
Branch has unusual spike in commissionsReview exception reports, accounts, products, and customer complaints.
Trader may have MNPIRestrict trading, escalate, preserve records.
Private placement sponsor has poor financialsEscalate due diligence; do not rely only on sponsor materials.
Rep wants paid role with outside issuerTreat as OBA/PST/conflict issue; require notice, review, and approval if permitted.
Senior customer requests unusual wireVerify, escalate exploitation red flags, consider trusted contact/temporary hold procedures.
Retail communication uses projectionsReview assumptions, balance, prohibitions, and filing/approval needs.
IPO allocation to executive of potential clientSpinning/conflict concern; reject and escalate.
Notes and examples

“Which Rule Area Is Being Tested?”

Keywords in questionLikely topic
“Outside issuer,” “promissory note,” “not through firm”Private securities transaction / selling away
“Side business,” “paid consultant,” “rental company”Outside business activity
“More than 25 retail investors”Retail communication
“Customer did not authorize”Unauthorized trading
“High turnover,” “commissions,” “control”Churning/excessive trading
“Pending block order”Front-running / trading ahead
“Investment banking client,” “research upgrade”Research conflict / MNPI
“Distribution participant,” “restricted period”Regulation M
“IPO shares to executive”Spinning / new issue allocation
“Elderly customer,” “new caregiver”Financial exploitation
“Breakpoint,” “LOI,” “ROA”Mutual fund sales charge supervision
“Surrender charge,” “rider,” “replacement”Variable annuity supervision

Practice Strategy After This Cheat Sheet

Use this quick review to identify weak areas, then move into independent companion practice:

  1. Start with topic drills for supervision, communications, sales practice, trading, and investment banking.
  2. Review detailed explanations, especially for questions you answered correctly by guessing.
  3. Build an error log with three labels: rule missed, fact missed, or judgment error.
  4. Retake mixed sets so you practice switching between principal supervision, product knowledge, and regulatory judgment.
  5. Use mock exams only after topic drills expose and repair your weak areas.

For the Series 24, the biggest score gains often come from improving decision-making on supervisory fact patterns—not memorizing isolated definitions.

Final Pre-Practice Checklist

Before starting your next question-bank session, make sure you can answer these quickly:

  • What makes an activity an OBA versus a private securities transaction?
  • When does a communication become retail communication?
  • What facts make trading excessive?
  • What is the principal’s first response to unauthorized trading or MNPI?
  • Why does accredited investor status not automatically make a recommendation appropriate?
  • What conflicts arise in underwriting, research, and IPO allocation?
  • What records prove supervision actually occurred?
  • What makes a complex product recommendation high risk?
  • How do best execution, limit order protection, and front-running differ?
  • When should a principal escalate rather than merely document?

Next step: use original practice questions and topic drills to turn this review into exam-ready judgment, then study the detailed explanations for every missed or uncertain answer.

Put the review into practice

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