Last Modified: June 2, 2026
Table of Contents
SERIES 24 | FINANCIAL REGULATION COURSES
FINRA Rule 9558 governs the most extraordinary category of expedited regulatory action available in FINRA's entire disciplinary and enforcement arsenal — the summary proceeding authorized by Exchange Act Section 15A(h)(3) that permits FINRA to immediately suspend a member, associated person, or person subject to FINRA's jurisdiction, or immediately limit or prohibit access to services, based on a determination that the person's continued participation in regulated activities would be unsafe to investors, creditors, other members, or FINRA itself.
The rule operates through a statutory gateway that is broader and more urgent than any other Rule 9550 series provision: FINRA's Chief Executive Officer or a designated senior officer must provide written case-by-case authorization before any notice may be issued; the limitation, prohibition, or suspension announced in the notice is immediately effective upon service without any automatic stay; a stay must be separately requested and is available only if the Chief Hearing Officer or assigned Hearing Officer finds good cause — not as a matter of right through the hearing request alone; and the seven-day hearing request deadline is the compressed standard applicable to the most urgent proceedings.
The three categories of FINRA Rule 9558 actions — suspension of persons expelled or suspended by another SRO or barred from association, suspension of financially distressed members who cannot continue with safety to investors, and limitation or prohibition of services access — collectively define the situations where FINRA's regulatory authority to act summarily under the Exchange Act is at its most immediate and most consequential.
FINRA Rule 9558 sits within the 9550 Expedited Proceedings series of the 9500 Other Proceedings section of the 9000 Code of Procedure. It was adopted through SR-NASD-2003-110 effective June 28, 2004, amended by SR-FINRA-2008-021 effective December 15, 2008, amended by SR-FINRA-2013-018 effective December 16, 2013 as announced in Regulatory Notice 13-27, and most recently amended by SR-FINRA-2015-019 effective November 2, 2015 as announced in Regulatory Notice 15-35. Four selected notices are associated — 04-36, 08-57, 13-27, and 15-35.
Understanding FINRA Rule 9558 requires understanding the statutory provision it implements. Exchange Act Section 15A(h)(3) authorizes a registered national securities association to summarily suspend or limit the activities of a member or associated person pending investigation and determination of proceedings when specified conditions exist — conditions so urgent that waiting for the full investigative and adjudicative process to complete would itself cause unacceptable harm.
The Exchange Act's summary suspension authority reflects Congress's recognition that registered SROs must be able to act with immediate regulatory force in specific categories of emergency situations without being constrained by the timeline of normal administrative proceedings.
FINRA Rule 9558 implements this statutory authority within the Code of Procedure's framework — providing the procedural infrastructure through which the Exchange Act Section 15A(h)(3) summary action authority is exercised, ensuring that the constitutional requirements of due process are met, and defining the specific categories of action authorized by the statutory provision.
FINRA Rule 9558(a) defines the three specific categories of summary action for which the CEO or designated senior officer may authorize a written notice. Each category reflects a distinct investor protection emergency that justifies immediate regulatory action.
The first category — FINRA Rule 9558(a)(1) — authorizes summary suspension of a member, associated person, or other person subject to FINRA's jurisdiction who has been and is currently expelled or suspended from any self-regulatory organization or barred or suspended from being associated with a member of any self-regulatory organization.
This category addresses the inter-SRO portability problem — a person who has been expelled or barred by one SRO should not be able to continue operating under another SRO's jurisdiction as if nothing happened. The has been and is currently language is critical — the action must be existing and operative, not a past action that has since been lifted.
A person currently subject to a bar from FINRA's arbitration forum, a suspension from NYSE, or an expulsion from any other registered SRO is within this category and may be immediately suspended by FINRA through the FINRA Rule 9558 mechanism.
The second category — FINRA Rule 9558(a)(2) — authorizes summary suspension of a member that is in such financial or operating difficulty that FINRA staff determines and so notifies the SEC that the member cannot be permitted to continue to do business as a member with safety to investors, creditors, other members, or FINRA. This category overlaps conceptually with FINRA Rule 9557's financial difficulties framework but represents a more extreme situation — not merely a member that needs activity restrictions and supervision, but a member whose financial or operational condition is so severe that continued operation in any form poses unacceptable safety risks. The notification to the SEC requirement — FINRA must notify the SEC of its determination — reflects the Exchange Act's requirement that summary actions under Section 15A(h)(3) be reported to the Commission.
The third category — FINRA Rule 9558(a)(3) — authorizes immediate limitation or prohibition of any person's access to services offered by FINRA when either of the first two categories applies to that person, when the Exchange Act Section 15A(h)(3) provisions themselves apply, or when — for non-members — the CEO or designated senior officer determines that the person does not meet the qualification requirements or prerequisites for services access and cannot be permitted to continue to have such access with safety to investors, creditors, members, or FINRA, and notifies the SEC. This third category extends FINRA Rule 9558's reach beyond members and associated persons to non-member participants in FINRA's market infrastructure whose continued access poses safety concerns.
The CEO or senior officer authorization requirement applies to all three categories — every FINRA Rule 9558 notice requires the prior case-by-case written authorization of FINRA's Chief Executive Officer or a designated senior officer. This institutional gatekeeping ensures that the most extraordinary of FINRA's expedited enforcement tools is deployed only after senior leadership has specifically reviewed and authorized the action in each individual case. The requirement prevents routine use of FINRA Rule 9558's summary action authority — it is reserved for genuine emergencies that senior leadership has specifically assessed and authorized.
FINRA Rule 9558(b) establishes a service framework identical to FINRA Rule 9557(b) — the most urgent service framework in the Rule 9550 series, using facsimile, email, overnight courier, or personal delivery while excluding regular U.S. mail. The same dual service requirements for facsimile and email apply — service by those methods must be supplemented by overnight courier or personal delivery. Service is complete when the duplicate service is complete for notices requiring dual service.
A copy of any notice served on an associated person must also be served on the employing member firm — the same dual-service-to-employer requirement as other Rule 9550 series rules involving associated persons. This requirement ensures that a member firm whose employee is being summarily suspended is immediately aware of that action and can take appropriate steps to protect customers and comply with applicable supervisory obligations during the suspension.
FINRA Rule 9558(c) establishes the notice content requirements. The notice must state the specific grounds and include the factual basis for the FINRA action — identifying which of the three FINRA Rule 9558(a) categories applies and the specific facts supporting the determination. The notice must state when the FINRA action will take effect — which, under FINRA Rule 9558(d)'s immediately effective standard, is upon service. The notice must explain what the respondent must do to avoid the action — though given immediate effectiveness, this is more relevant to what compliance or changed circumstances might support a termination request under FINRA Rule 9558(g).
The notice must state the hearing request right and the applicable deadline — seven days under FINRA Rule 9558(e). It must state the specificity-of-defenses requirement for hearing requests. And it must disclose that pursuant to FINRA Rules 8310(a) and 9559(n), a Hearing Officer or, if applicable, Hearing Panel, may approve, modify, or withdraw any and all sanctions or limitations imposed by the notice and may impose any other fitting sanction.
FINRA Rule 9558(d) establishes the effectiveness framework that makes FINRA Rule 9558 the most immediately operative provision in the entire Rule 9550 series. The limitation, prohibition, or suspension referenced in a notice is immediately effective upon service. There is no waiting period — not seven days, not ten business days, not twenty-one days. The moment FINRA Rule 9558 service is complete, the suspension, limitation, or prohibition is operative and the member or person must comply.
Unlike FINRA Rules 9551 through 9556 where a timely hearing request automatically stays the action, FINRA Rule 9558 provides no automatic stay. The limitation, prohibition, or suspension remains in effect unless — after a timely written request for a hearing and a written request for a stay — the Chief Hearing Officer or Hearing Officer assigned to the matter finds good cause exists to stay the action. The stay is not automatic; it requires both a hearing request and a separate stay request, and the stay is granted only if the Chief Hearing Officer or Hearing Officer affirmatively finds good cause. A respondent who files a hearing request but does not separately request a stay has not stayed the FINRA Rule 9558 action.
This good-cause stay standard — rather than the automatic stay provided by hearing requests in other Rule 9550 series rules — reflects the most extreme urgency of FINRA Rule 9558 proceedings. The CEO or senior officer has already determined that the safety concern is sufficient to warrant immediate action without waiting for any hearing. The Chief Hearing Officer or assigned Hearing Officer who assesses a stay request applies a good cause standard that must be overcome by the respondent — the burden is on the person seeking to delay the immediate safety-motivated action, not on FINRA to justify maintaining it.
FINRA Rule 9558(e) establishes two distinct and separately filed requests — the hearing request and the stay request — that together define the respondent's procedural options for challenging a FINRA Rule 9558 notice.
The hearing request must be made within seven days after service of the notice. The request must set forth with specificity any and all defenses to the FINRA action. The seven-day deadline is the same as FINRA Rule 9556's hearing request deadline — reflecting the parallel urgency of cease and desist order enforcement and summary proceedings contexts.
The stay request — which must be filed concurrent with or after the hearing request — must set forth with specificity any and all relevant facts and arguments supporting the request. The specificity requirement for stay requests ensures that the Chief Hearing Officer or assigned Hearing Officer has concrete factual and legal arguments to assess when determining whether good cause for a stay exists. A bare assertion that a stay is warranted without identifying specific facts supporting the request does not satisfy FINRA Rule 9558(e).
The hearing for FINRA Rule 9558 proceedings is conducted before a three-member Hearing Panel — Hearing Officer and two industry Panelists — consistent with FINRA Rule 9559(d)(2)'s structure for FINRA Rules 9551, 9552, 9555, 9556 (except 9556(h)), 9557, and 9558 proceedings. The hearing must be held within thirty days of the hearing request filing under FINRA Rule 9559's timing framework for these proceeding types.
FINRA Rule 9558(f) establishes that if a member or person does not timely request a hearing within the seven-day period, the notice constitutes final FINRA action. The immediately effective limitation, prohibition, or suspension that attached upon service becomes the final regulatory outcome without any further adjudicative process.
Given that FINRA Rule 9558 actions are immediately effective, the failure-to-request-hearing consequence is somewhat different in practical effect than in other Rule 9550 series rules. In rules where the action is not yet effective at the time the hearing request deadline passes — FINRA Rules 9551, 9552, 9553, 9554, and 9555 — the failure to request a hearing means the action now takes effect. In FINRA Rule 9558, the action was already effective from service. The failure to request a hearing within seven days converts the notice from an action pending potential challenge into final FINRA action — foreclosing further challenge through FINRA's internal processes and triggering the SEC review right under FINRA Rule 9370 as the next appellate step.
FINRA Rule 9558(g) establishes the compliance-based termination mechanism parallel to those in other Rule 9550 series rules. A member or person subject to a limitation, prohibition, or suspension may file a written request for termination on the ground of full compliance with the notice or decision, filed with the head of the issuing FINRA department or the designated handling office. The appropriate head may grant relief for good cause shown.
The termination request mechanism is particularly significant in the FINRA Rule 9558(a)(1) context — where the basis for the action is that the person has been and is currently subject to an action by another SRO. If that underlying SRO action is subsequently lifted, reversed, or expired, the person may file a FINRA Rule 9558(g) termination request demonstrating that the predicate condition no longer exists. The good cause standard gives FINRA staff flexibility to recognize changed circumstances and lift the FINRA Rule 9558 limitation, prohibition, or suspension when the underlying safety concern has been resolved.
FINRA Rules 9557 and 9558 address overlapping factual scenarios involving member financial distress, but serve distinct regulatory functions. FINRA Rule 9557 is the standard mechanism for regulating member activities in financial difficulty — imposing specific requirements and restrictions calibrated to the member's condition, with a two-business-day hearing request deadline and a ten-business-day stay. FINRA Rule 9558(a)(2) is the extraordinary summary mechanism for members whose condition is so severe that continued operation in any form is unsafe — requiring CEO authorization, imposing immediate suspension, and providing only a good-cause stay rather than an automatic stay period.
The practical distinction is one of severity and urgency. A member experiencing financial difficulties that warrant imposed capital requirements and activity restrictions is addressed through FINRA Rule 9557. A member whose condition has deteriorated to the point where FINRA determines it cannot continue business at all with safety to investors, creditors, other members, or FINRA — and whose situation is so urgent that even the FINRA Rule 9557 two-business-day notice and ten-business-day stay would be inadequate — is addressed through FINRA Rule 9558.
FINRA Rule 9558 connects to Exchange Act Section 15A(h)(3) as the statutory authority that both enables and limits FINRA Rule 9558's summary action power — FINRA can only invoke FINRA Rule 9558 for the specific categories Section 15A(h)(3) authorizes. It connects to FINRA Rule 9557 as the less extreme financial distress proceeding that FINRA Rule 9558 parallels and may follow when a member's condition worsens beyond what FINRA Rule 9557's framework can adequately address. It connects to FINRA Rule 9555 as the less extreme services access limitation provision — FINRA Rule 9558(a)(3) is the summary-proceeding version of the services access limitations that FINRA Rule 9555 governs in non-emergency contexts. And it connects to FINRA Rule 9559 as the procedural framework governing FINRA Rule 9558 hearings — including the three-member Hearing Panel structure, the thirty-day hearing timeline, and the plenary sanction authority of FINRA Rule 9559(n).
FINRA Rule 9558 is tested on the Series 24 General Securities Principal examination as the summary proceedings rule — the most extraordinary expedited action available in FINRA's regulatory arsenal, implementing Exchange Act Section 15A(h)(3)'s summary suspension authority.
The key points to retain are these: FINRA Rule 9558 implements Exchange Act Section 15A(h)(3)'s summary action authority through three categories of immediately effective action — suspension of persons currently expelled, suspended, or barred by any SRO; suspension of financially distressed members who cannot continue with safety to investors, creditors, other members, or FINRA; and limitation or prohibition of services access for qualifying persons; every FINRA Rule 9558 notice requires prior written case-by-case authorization from FINRA's CEO or designated senior officer — a threshold requirement that cannot be bypassed; the limitation, prohibition, or suspension is immediately effective upon service — there is no waiting period of any kind; there is no automatic stay from a hearing request — the respondent must separately file both a hearing request and a stay request, and the stay is granted only if the Chief Hearing Officer or assigned Hearing Officer finds good cause; the hearing request must be made within seven days after service; FINRA Rule 9558 proceedings are heard before a three-member Hearing Panel; failure to request a hearing within seven days results in final FINRA action; the good-cause stay standard places the burden on the respondent to overcome the presumption that the immediately effective safety-motivated action should remain in place; and the rule was last amended November 2, 2015 through SR-FINRA-2015-019 as announced in Regulatory Notice 15-35.
