FINRA compliance for small broker-dealers
13 min read

Six areas, one member firm
A small broker-dealer's compliance work keeps coming back to six areas. Each one has its own guide on this site; this page is the map. It says what each area asks of a firm with a handful of registered people, where the areas meet, and what falls due in a year.
FINRA rules bind FINRA member firms and the people associated with them. Several duties on this map come from SEC rules under the Exchange Act instead (the books-and-records rules 17a-3 and 17a-4, and Regulation Best Interest), and they bind a registered broker-dealer the same way. A stand-alone investment adviser is not a FINRA member and runs its program under the Advisers Act; that side is mapped in RIA compliance. A firm registered both ways keeps both programs.
The lead sentence above is the one to keep in mind throughout. A firm can buy software, hire a consultant or share work with its clearing firm, but the rule leaves the responsibility with the member.
The numbers to know
- Report a listed event to FINRA, at the latest30 daysFINRA Rule 4530(a): calendar days
- Quarterly complaint statistics, due on the15thFINRA Rule 4530(d): of the month after the quarter
- Correspondence: retail investors reached, at most25FINRA Rule 2210(a)(2): within any 30 calendar-day period
- Communications and order records kept3 years17 CFR 240.17a-4(b): first two easily accessible
- FINRA records with no stated period kept6 yearsFINRA Rule 4511(b)
- AML independent test, firms with customersYearlyFINRA Rule 3310(c): on a calendar-year basis
- Inspect a branch that supervises no other location3 yearsFINRA Rule 3110(c)(1)(B)
Periods and deadlines as the rule words state them. Where a rule gives a length but no start event, ask your compliance counsel how your firm sets it.
Supervision: Rules 3110, 3120 and 3130

Supervision is the area every other one runs through. Rule 3110 asks for a system “reasonably designed to achieve compliance”; Rule 3120 checks that system; Rule 3130 has the chief executive put a name to it each year. Read them as one sequence.
How the three supervision rules fit together
- 01BuildFINRA Rule 3110
A supervisory system and written procedures: designated principals, a supervisor for every registered person, reviews of transactions and correspondence, office inspections.
- 02TestFINRA Rule 3120
Designated principals test and verify that the procedures are reasonably designed, amend them where the need is identified, and report to senior management no less than annually.
- 03CertifyFINRA Rule 3130
A chief compliance officer named on Schedule A of Form BD; the CEO certifies the compliance processes each year, after meeting the CCO in the preceding 12 months.
The rule is written for firms of every size. Review procedures “must be appropriate for the member's business, size, structure, and customers”, and the extra content Rule 3120 requires in the annual report applies only to firms that “reported $200 million or more in gross revenue” in the prior year. A small firm still owes the report itself.
The point a small firm meets first is evidence. A review of correspondence must leave a record naming the reviewer, the item, the date and any action, and Rule 3110.07 adds that “merely opening a communication is not sufficient review.” That record is what an email archive with a review queue keeps for you. The full rule, with its inspection cycles and the home-office provisions, is in the Rule 3110 supervision guide.
Communications: Rule 2210
Rule 2210 sorts every written communication into one of three kinds, and the kind decides who signs off before it goes out. The test is the audience: how many retail investors receive it in any 30 calendar days.
Three kinds of communication, and what each needs first
| Kind | Who receives it | Before it goes out | Rule |
|---|---|---|---|
| Correspondence | Distributed or made available to “25 or fewer retail investors within any 30 calendar-day period” | Supervised and reviewed under Rules 3110(b) and 3110.06 through .09 | 2210(a)(2), (b)(2) |
| Retail communication | Distributed or made available to “more than 25 retail investors within any 30 calendar-day period” | A registered principal approves it “before the earlier of its use or filing”, with listed exceptions | 2210(a)(5), (b)(1)(A) |
| Institutional communication | Distributed or made available “only to institutional investors”, not internal communications | Principal review under written procedures “appropriate to its business, size, structure, and customers” | 2210(a)(3), (b)(3) |
FINRA Rule 2210(a)-(b)
Two practical points follow. A post on an online interactive forum, and a retail communication that makes no recommendation and promotes no product or service, need no prior principal approval, but they are still supervised like correspondence. And the file has to show the work: the firm keeps each retail and institutional communication with its dates of first and last use and “the name of any registered principal who approved the communication and the date that approval was given.”
Some pieces are filed after the fact for every firm, “within 10 business days of first use or publication”, such as retail communications promoting a specific registered investment company. FINRA's rule text now also includes an exception for projections and targeted returns, subject to conditions. The detail, and social media, is in the Rule 2210 guide; firms routing approvals through a tool compare advertising review software.
Recommendations: Rule 2111 and Regulation Best Interest
Two standards cover a broker-dealer's recommendations, and FINRA's own rule decides which one applies. Rule 2111.08 reads: “This Rule shall not apply to recommendations subject to SEA Rule 15l-1 (‘Regulation Best Interest’).” By our reading of the two rules, that sorts recommendations like this:
Which standard a recommendation meets
| The recommendation | Standard | Rule |
|---|---|---|
| A recommendation to a retail customer | Regulation Best Interest | 17 CFR 240.15l-1(a)(1) |
| A recommendation outside Regulation Best Interest, for example to a non-retail customer | FINRA Rule 2111 suitability | FINRA Rule 2111; 2111.08 |
FINRA Rule 2111.08, added by SR-FINRA-2020-007 eff. June 30, 2020
Regulation Best Interest is met through four component obligations: disclosure, care, conflict of interest and compliance. Rule 2111, where it applies, is “composed of three main obligations: reasonable-basis suitability, customer-specific suitability, and quantitative suitability,” and a firm “cannot disclaim any responsibilities under the suitability rule.” Rule 2111 turns on the customer's investment profile, and Rule 17a-3(a)(35) has the firm keep “a record of all information collected from and provided to the retail customer” under Regulation Best Interest. The account record matters as much as the recommendation.
A firm with retail customers also delivers Form CRS “before or at the earliest of” a recommendation, an order or the opening of a brokerage account, records the delivery date, and keeps each Form CRS for six years after it is created. Our Form CRS builder drafts the summary; the obligations are set out in the Rule 2111 suitability guide.
Books and records: 17a-3, 17a-4, 4511 and 4512
The records area has two SEC rules and two FINRA rules, and each answers a different question. Rule 17a-3 says which records a broker-dealer makes: blotters, ledgers, order memoranda, confirmations, complaint records, the record of principal approval of communications and more. Rule 17a-4 says how long each is kept. FINRA Rule 4511 has members make and preserve books and records as the FINRA rules, the Exchange Act and its rules require, and Rule 4512 sets what every customer account record holds, including the “name of and contact information for a trusted contact person age 18 or older” for non-institutional accounts.
The periods a small broker-dealer meets most
| Record | Kept for | Rule |
|---|---|---|
| Blotters, ledgers, the securities record | Not less than 6 years, the first two in an easily accessible place | 17a-4(a) |
| Communications sent and received, order memoranda, confirmations | Not less than 3 years, the first two in an easily accessible place | 17a-4(b) |
| Account opening and terms records | Not less than 6 years after the account closes | 17a-4(c) |
| Articles, minute books, every Form BD and amendment | The life of the enterprise and any successor | 17a-4(d) |
| Compliance, supervisory and procedures manuals | Until 3 years after the manual stops being used | 17a-4(e)(7) |
| Customer account information that is updated | At least 6 years after the update | FINRA 4512.01 |
| FINRA records with no period stated anywhere | At least 6 years | FINRA 4511(b) |
17 CFR 240.17a-4(a)-(e); FINRA Rules 4511(b), 4512.01
Rule 17a-4(a) and (b) state a length and an “easily accessible” window, but not the event the period runs from, so a firm's procedures should say how it counts. Our retention calculator runs these periods for a list of records, and the books and records checklist lists what to make.
That format is where storage choices come in: Rule 17a-4(f) sets the electronic recordkeeping standard, explained in Rule 17a-4 and WORM storage.
The rest of the FINRA side, including the six-year default for records with no stated period, is in the Rule 4511 guide.
Reporting: Rule 4530
The eight events in Rule 4530(a)(1)
- (A)Found to have violated securities, insurance, commodities, financial or investment laws or standards
- (B)The subject of a written customer complaint alleging theft or misappropriation of funds or securities, or forgery
- (C)Named as a defendant or respondent in a proceeding brought by a regulator or self-regulatory organization
- (D)Denied registration, expelled, enjoined, suspended or otherwise disciplined
- (E)Indicted, convicted of, or pleading guilty or no contest to any felony or listed misdemeanor
- (F)Associated with a firm that is suspended, expelled or has its registration revoked
- (G)A securities or commodities lawsuit, arbitration or customer damages claim disposed of above the thresholds below
- (H)Subject to a statutory disqualification
The thresholds in (G) are a settlement, award or judgment “for an amount exceeding $15,000”, or “exceeding $25,000” when the member itself is the defendant or respondent. Internal discipline of an associated person is reported too when it involves withholding pay or fines above $2,500, a suspension, a termination or a significant limitation. FINRA's own findings under (A), (C) and (D) need no report.
Two duties sit behind the clock. Associated persons must “promptly report to the member” any (a)(1) event, so the firm needs a way for them to tell it. And paragraph (b) adds a second 30-day report once the firm “has concluded or reasonably should have concluded” that it or an associated person violated the rules; FINRA expects those only for conduct with “widespread or potential widespread impact” or a material systems failure.
Separately, every firm files statistical and summary complaint information “by the 15th day of the month following the calendar quarter in which customer complaints are received”. By our reading of the rule, for calendar quarters that is April 15, July 15, October 15 and January 15. The events, the filings under paragraph (f) and the complaint records behind them are in the Rule 4530 reporting guide.
Anti-money laundering: Rule 3310
The program “must be approved, in writing, by a member of senior management,” and it has six minimum parts. The AML compliance person must be an associated person of the member, named to FINRA, with prompt notice to FINRA of any change.
What a Rule 3310 program contains
- Policies and procedures that can be reasonably expected to detect and cause the reporting of suspicious transactions3310(a)
- Policies, procedures and internal controls for Bank Secrecy Act compliance3310(b)
- Independent testing, yearly or every two years by the test below3310(c)
- An AML compliance person, an associated person, named to FINRA, with prompt notice of any change3310(d)
- Ongoing training for appropriate personnel3310(e)
- Risk-based procedures for ongoing customer due diligence and monitoring3310(f)
How often the independent test runs
| The firm | Independent testing |
|---|---|
| Executes transactions for customers, holds customer accounts, or introduces them | Annual (on a calendar-year basis) |
| None of those, e.g. proprietary trading only, or business only with other broker-dealers | Every two years (on a calendar-year basis) |
FINRA Rule 3310(c)
The tester must have “a working knowledge of applicable requirements under the Bank Secrecy Act” and cannot be the person who performs the functions being tested, the AML compliance person, or anyone who reports to either. In a three-person firm that can rule out everyone inside it, which is why the rule allows “a qualified outside party”; see FINRA compliance consultants. FINRA's compliance tools page lists an Anti-Money Laundering Template that gives “text examples, instructions, relevant rules, websites and other resources” to help small firms write the plan. The program, part by part, is in the Rule 3310 AML guide.
The compliance cycle, set for your firm
Most of the map above runs on a clock. Some duties come round every quarter or every calendar year, some on a longer cycle, and some start the moment something happens. The list below holds only duties whose timing the rule text states; tick the boxes that describe your firm and it drops what does not apply.
Your firm's compliance cycle
Tick what is true of your firm. Pre-filled with a small firm that introduces customer accounts and works from more than one location.
17 duties on this cycle
Every quarter
- 4530(d)
File customer complaint statistics with FINRA
By the 15th day of the month following the calendar quarter
Every calendar year
- 3110(a)(7)
Hold the compliance meeting with each registered representative and principal
No less than annually
- 3110(c)(1)
Review the businesses the firm engages in
At least annually (on a calendar-year basis)
- 3110(c)(1)(A)
Inspect each OSJ and any branch office that supervises non-branch locations
At least annually (on a calendar-year basis)
- 3120(a)(2)
Report on the supervisory control system to senior management
No less than annually
- 3130(b)
CEO certifies the compliance and supervisory processes
Annually, after meeting the CCO in the preceding 12 months
- 3310(c)
Independent test of the AML program
Annual (on a calendar-year basis)
- 4370(b), (d)
Review the business continuity plan
An annual review, led by the senior manager who approved the plan
On a longer cycle
- 3110(c)(1)(B)
Inspect each branch office that supervises no non-branch location
At least every three years
- 3110(c)(1)(C); .13
Inspect each non-branch location
A regular periodic schedule, presumed at least every three years
Within a set time of an event
- 4530(a)
Report a listed event for the firm or an associated person
Not later than 30 calendar days after the firm knows or should have known
- 4530(b)
Report a violation the firm has concluded happened
Not later than 30 calendar days after it concluded or reasonably should have
- 2210(c)(3)
File retail communications in the post-use categories, such as one promoting a specific registered fund
Within 10 business days of first use or publication
Promptly, as things change
- 3110(b)(7)
Amend the written supervisory procedures
Promptly, as rules change and as the supervisory system changes
- 3110(d)
Investigate a trade the transaction review flags
Promptly
- 4370(b)
Update the business continuity plan
On any material change to operations, structure, business or location
- 3310(d)
Tell FINRA of a change of AML compliance person
Prompt notification
One annual item sits outside the six areas. Rule 4370 has a member of senior management, who must be a registered principal, approve the business continuity plan and conduct its annual review; the plan is also updated on any material change, and customers are told how it handles a significant business disruption at account opening, on the firm's website if it has one, and by mail on request. FINRA's compliance tools page lists a Business Continuity Planning Template beside the AML one.
Software, a consultant, or both
The sentence at the top of this guide settles what outside help can do: it can do work, but it cannot take the duty. Within that, a small firm can split the load two ways. Software keeps what has to be kept and queues what has to be reviewed: the communications archive, the review record with reviewer and date, the trade review, the complaint log, the calendar. Those tools are compared in broker-dealer compliance software.
A consultant brings judgment the firm may not have in house: drafting or rewriting the written supervisory procedures, running the AML independent test as a qualified outside party, or acting as an outsourced compliance officer. Those firms are compared in FINRA compliance consultants, and the outsourcing question itself in outsourced chief compliance officer. Whichever you choose, reviews of correspondence are still conducted by a registered principal and evidenced in writing.
This guide maps the rules; it is not legal advice. Check your procedures against the full rule text in FINRA's rulebook and with your compliance counsel.
Questions small broker-dealers ask
Do FINRA rules apply to our registered investment adviser?
Not to a stand-alone adviser: FINRA rules bind FINRA member firms. An adviser's program runs under the Advisers Act, mapped in RIA compliance. A firm that is also a broker-dealer runs this map for that business.
FINRA Rule 3110(a)
We introduce accounts to a clearing firm. Who keeps the trade records?
The clearing firm may make and keep the records of transactions it clears for you, and you need not duplicate them. You remain responsible that they are “accurately maintained and preserved”, so know where they are and how to get them.
17 CFR 240.17a-3(c)
Is software that calls itself FINRA compliant enough?
No label moves the duty. The rules in this guide put it on the member firm, and a vendor's “FINRA compliant” wording is the vendor's own claim. FINRA also retired its Compliance Vendor Directory effective March 19, 2024, so a listing there is no longer a current credential. Ask a vendor for the documents behind its claims instead.
FINRA Rule 3110(a); FINRA Compliance Vendor Directory page
Is FINRA's suitability rule still in force after Regulation Best Interest?
Yes, for recommendations Regulation Best Interest does not cover. Rule 2111.08 says the rule “shall not apply to recommendations subject to SEA Rule 15l-1”; by our reading, that leaves 2111 for recommendations to non-retail customers, among others.
FINRA Rule 2111.08
Can our own staff run the AML independent test?
Member personnel may, if they have a working knowledge of the Bank Secrecy Act requirements and are not the person who performs the functions tested, the AML compliance person, or someone who reports to either. FINRA adds that firms “should undertake more frequent testing than required if circumstances warrant.”
FINRA Rule 3310(c); 3310.01
When are the quarterly complaint statistics due?
By the 15th day of the month after each calendar quarter. By our reading of the rule, that is April 15, July 15, October 15 and January 15.
FINRA Rule 4530(d)