What Is an OSJ? Office of Supervisory Jurisdiction

An Office of Supervisory Jurisdiction, commonly called an OSJ, is a location within a broker-dealer where certain high-level compliance functions must take place, such as approving new customer accounts, endorsing customer orders, holding custody of customer assets, executing trades, or structuring securities offerings. FINRA Rule 3110 requires every member firm to designate at least one such location and to staff it with a registered principal who oversees the activities of associated persons and any subordinate offices in that jurisdiction.¹

The designation exists because regulators want a clearly identified control point for the supervisory functions that cannot safely be left to ordinary branch managers. If any of those functions happen at a location, that location is an OSJ, regardless of its size or where it sits on the org chart.

What Makes a Location an OSJ

A location is not an OSJ just because registered representatives work there. Under FINRA Rule 3110, the designation is triggered when any of the following activities take place at the site:

Order execution or market making in securities
Structuring public offerings or private placements on behalf of issuers
Maintaining custody of customer funds or securities
Final approval of new customer accounts
Review and endorsement of customer orders by a principal

A single location performing even one of these functions must be registered as an OSJ. The firm also has to keep a current list of every OSJ it operates, along with the specific activities conducted at each, and make that list available to regulators on request.¹

Who Can Supervise an OSJ

Each OSJ must be staffed with one or more “appropriately registered principals.” The person must hold the right licenses for the type of business conducted at that location.¹

The most common path is the Series 24, the General Securities Principal Qualification Exam. Passing the Series 24 along with the Securities Industry Essentials (SIE) exam and a representative-level qualification exam qualifies someone to supervise all areas of a firm’s investment banking and securities business, including underwriting, trading, market making, advertising, and overall compliance.²

The specific combination of exams determines the scope of the registration. SIE, Series 7, and Series 24 produces a General Securities Principal. SIE, Series 79, and Series 24 yields an Investment Banking Principal. An OSJ handling options activity may need a supervisor who has also passed the Series 9 and 10, limited principal exams covering sales supervision.²

FINRA sets no hard minimum years of experience before someone can supervise an OSJ. The rule requires firms to use “reasonable efforts” to ensure supervisory personnel are qualified by experience or training for their responsibilities, which means the firm bears the burden of documenting why a given principal is competent for the role.¹

What the OSJ Principal Is Responsible For

The principal assigned to an OSJ carries out oversight functions that cannot be delegated to lower-tier offices. These are the compliance chokepoints the framework was built around.

Account and Order Review

The OSJ principal must give written approval for all new customer accounts, including options accounts, before trading can begin. The principal also reviews and endorses customer orders within their supervisory scope. Account opening is the single most scrutinized function because suitability problems, unauthorized trading, and identity issues usually originate there.¹

Correspondence and Communications

The OSJ must have procedures to review incoming and outgoing written correspondence, including email and other electronic communications, that relates to the firm’s securities business. Separately, under FINRA Rule 2210, a registered principal must approve each retail communication before the firm uses it or files it with FINRA.³

Handling of Customer Funds and Securities

Any location that maintains custody of customer funds or securities is, by definition, an OSJ. The supervisory procedures must include review of transfers of funds and securities, whether by wire, check, or hand delivery, from customer accounts to third parties, outside entities, or addresses other than the customer’s primary residence. These transfers are a common fraud vector, so FINRA expects especially close scrutiny.¹

Registration and Qualification Oversight

The OSJ principal tracks the registration status and qualifications of every associated person in the jurisdiction, confirming that representatives hold the correct licenses for what they sell and that registrations stay current. Rule 3110 requires the written supervisory procedures to document the titles, registration status, and locations of all supervisory personnel along with their specific responsibilities.¹

Staffing Ratios

FINRA does not prescribe a fixed ratio of supervisors to registered representatives. The rule simply requires that each registered person be assigned to a supervisor responsible for overseeing that person’s activities. Firms set staffing based on volume and complexity. A small OSJ supervising five representatives at a single branch looks nothing like one overseeing dozens of remote advisors across multiple states, and FINRA expects the supervisory structure to reflect that difference.¹

Annual Inspection

Every OSJ must be inspected at least once per calendar year. The same annual requirement applies to any branch office that supervises one or more non-branch locations. These inspections cover the maintenance of books and records, the handling of customer funds, the accuracy of product representations, and the overall functioning of internal controls. The inspection has to be documented and designed to test whether procedures on paper are working in practice. Branch offices that do not supervise other locations, along with non-branch locations, follow a separate inspection schedule the firm sets based on its own risk assessment.¹

OSJ, Branch Office, and Non-Branch Location

Broker-dealer locations fall into three tiers, and the differences matter because each carries different registration, staffing, and inspection obligations.

A branch office is any location where one or more associated persons regularly conduct the business of selling securities or hold themselves out as doing so. Branch offices must be registered with FINRA, but they are not required to perform the high-level supervisory functions reserved for OSJs. A branch office needs at least one registered representative or principal with supervisory authority. Final approval of new accounts, endorsement of orders, and the other non-delegable functions flow up to the OSJ.⁴

Certain locations are excluded from the branch office definition entirely. These include back-office or non-sales locations, primary residences that meet specific conditions, and non-primary residences used for securities business fewer than 30 days per year. These are classified as non-branch locations, the lightest regulatory tier, but they still must be supervised by either a branch office or the OSJ itself.⁴

The OSJ sits at the top. It is the location where the principal actually performs the supervisory work the other tiers depend on. Every branch and non-branch location must connect to an OSJ. A firm with a single office and two representatives still needs that office designated as an OSJ if account approvals or order endorsements happen there.

Residential Supervisory Locations

Remote work created a practical problem. If a principal performs supervisory functions like account approval from a home office, that home could technically meet the definition of an OSJ, triggering full branch registration. FINRA addressed this with the Residential Supervisory Location (RSL) classification under Rule 3110.19, which lets a private residence serve as a supervisory location without registering as a branch office, provided specific conditions are met.⁵

To qualify as an RSL, the firm and the associated person must satisfy several requirements:

The firm must conduct and document a risk assessment for the person assigned to that location.
The associated person must have at least one year of direct supervisory experience with the firm or an affiliated broker-dealer or investment adviser. The year does not need to be continuous.
The location cannot handle customer funds or securities at any time.
Original or “gold source” records the firm must maintain under applicable rules cannot be kept at the RSL, whether physically or electronically.
The supervisor must be assigned to a designated branch office, and that branch address must appear on business cards, stationery, and communications to the public.

A secondary residence, such as a vacation home, faces tighter restrictions. Securities business at a non-primary residence must stay under 30 business days per calendar year, or the firm has to register it as a branch office within 30 days of exceeding that limit.⁵

When OSJ Supervision Fails

FINRA takes supervision failures seriously, and the penalties can be steep. In a recent enforcement action, FINRA fined Cetera Advisors and related entities $1,100,000 jointly for maintaining supervisory systems that were not reasonably designed to comply with federal securities registration requirements. In a separate case, Independence Capital Co. was censured and ordered to pay $168,680 in partial restitution for failing to reasonably supervise representatives’ recommendations to customers.⁶

Common examination deficiencies FINRA identifies include written supervisory procedures that fail to address new or amended rules, branch inspection programs that skip required periodic reviews of non-branch locations, and inadequate systems for catching problems in account documents such as incomplete forms or blank signature pages. These are not obscure gotchas. They are the basic blocking and tackling of supervision, and the functions the OSJ framework exists to ensure someone is doing.⁷

Beyond fines, individuals can face suspensions or permanent bars from the securities industry for egregious supervision failures. The firm itself can face increased examination frequency, required undertakings to overhaul its compliance program, or in extreme cases, expulsion from FINRA membership. For the OSJ principal personally, a supervision failure on their watch can end a career even when they were not personally involved in the underlying misconduct.

1
Financial Industry Regulatory Authority (FINRA). FINRA Rules 3110 – Supervision
2
FINRA.org. Series 24 – General Securities Principal Exam
3
FINRA.org. FINRA Rules 2210 – Communications with the Public
4
FINRA.org. Frequently Asked Questions About Residential Supervisory Locations
5
FINRA.org. Residential Supervisory Locations (RSLs)
6
FINRA. Disciplinary and Other FINRA Actions Reported for March 2026
7
Financial Industry Regulatory Authority, Inc. 2019 Report on FINRA Examination Findings and Observations