FINRA Rule 4370FINRA / SEC Customer Protection Rule 15c3-3series99Verified 2026-11-12

FINRA Rule 4370: FINRA Rule 4370: Emergency Contact Persons and Communication Protocols

Authoritative Rule Summary (FINRA Rule 4370)

Under FINRA Rule 4370 (FINRA / SEC Customer Protection Rule 15c3-3), fINRA Rule 4370: Emergency Contact Persons and Communication Protocols establishes the authoritative rules tested on the FINRA Series 99. This lesson details the requirements for designating and maintaining emergency contact persons under FINRA Rule 4370, including their roles, responsibilities, and communication protocols during business disruptions. VoraPrep verifies every threshold, worked table, and practice question below against the current FINRA Series 99 blueprint.

Core Statutory Concepts

RequirementDescriptionFINRA Rule 4370 CitationFrequency/Details
Designate Emergency ContactsAt least two principals with authority to act on firm's behalf.FINRA Rule 4370(c)(1)Must be current and updated promptly
Roles & ResponsibilitiesClearly defined duties for initiating BCP, communication, decision-making.FINRA Rule 4370(c)(1)Must be documented in BCP
Communication ProtocolsMethods for communicating with employees, customers, regulators.FINRA Rule 4370(c)(2)Must be documented and tested
Updating InformationPrompt notification to FINRA of any changes to emergency contacts.FINRA Rule 4370(c)(3)Within 30 days of change
Test Yourself on FINRA Rule 4370 in 30 Seconds (No Login)FINRA Series 99 · hard

A brokerage firm's Business Continuity Plan (BCP), reviewed annually as required by FINRA Rule 4370, outlines detailed procedures for data backup and recovery, alternative communication methods, and employee relocation. However, it only generically states that it will 'work to ensure timely settlement of transactions' in the event of a significant business disruption, without detailing specific protocols for adhering to the T+1 settlement cycle (SEA Rule 15c6-1) for various asset classes during a disruption. Which of the following best describes the deficiency in this BCP?

Worked Practitioner Scenario

Practitioner Application: FINRA Rule 4370: Emergency Contact Persons and Communication Protocols

A regional broker-dealer experiences a sudden, widespread power outage affecting its primary and secondary data centers. The firm's designated emergency contact person, who is responsible for initiating the business continuity plan (BCP) communication tree, is on an international flight with no immediate access to communication. The firm's BCP outlines a clear chain of command, but the immediate backup contact is also unreachable due to a personal emergency. The firm's operations are effectively halted, and critical regulatory reporting deadlines are approaching. What specific FINRA Rule 4370 requirements has the firm likely failed to adequately address regarding emergency contacts and communication protocols, and what are the potential consequences?

  1. FINRA Rule 4370 mandates that member firms create and maintain a Business Continuity Plan (BCP) to address how they will respond to significant business disruptions. A critical component of this rule is the requirement to designate and maintain emergency contact persons and establish clear communication protocols.
  2. Firms must designate at least two associated persons as emergency contacts. These individuals must be principals and possess the authority to make decisions on behalf of the firm regarding its BCP. Their roles are crucial for ensuring the firm can continue its operations, protect customer assets, and meet regulatory obligations during an emergency. The rule emphasizes the importance of these contacts being readily available and knowledgeable about the firm's BCP.
Communication protocols are equally vital. The BCP must describe how the firm will communicate with its employees, customers, and regulators during a disruption. This includes internal communication trees, external notification procedures, and alternative communication methods. Regular review and updates of contact information and communication strategies are essential to ensure their effectiveness.
Exam Watchouts & Statutory Boundaries

Common FINRA Series 99 Distractors on FINRA Rule 4370

  • 1Firms must designate at least two associated persons who are principals as emergency contacts.
  • 2Emergency contacts must have the authority to make decisions on behalf of the firm.
  • 3The BCP must include clear communication protocols for employees, customers, and regulators.
  • 4Any changes to emergency contact information must be reported to FINRA within 30 days.
  • 5The BCP, including emergency contact information, must be reviewed annually.

Frequently Asked Questions: FINRA Rule 4370

What is the core rule under FINRA Rule 4370 (FINRA Rule 4370: Emergency Contact Persons and Communication Protocols)?

Under FINRA Rule 4370 (FINRA / SEC Customer Protection Rule 15c3-3), fINRA Rule 4370: Emergency Contact Persons and Communication Protocols establishes the authoritative rules tested on the FINRA Series 99. This lesson details the requirements for designating and maintaining emergency contact persons under FINRA Rule 4370, including their roles, responsibilities, and communication protocols during business disruptions. VoraPrep verifies every threshold, worked table, and practice question below against the current FINRA Series 99 blueprint.

How is FINRA Rule 4370 tested on the FINRA Series 99?

Firms must designate at least two associated persons who are principals as emergency contacts. Emergency contacts must have the authority to make decisions on behalf of the firm.

Where can I practice FINRA Series 99 questions on FINRA Rule 4370: Emergency Contact Persons and Communication Protocols?

Test yourself instantly with the free playable FINRA Series 99 question on this page, or launch VoraPrep's full FINRA Series 99 adaptive question bank, interactive lessons, and 1:1 exam simulator at voraprep.com/series99.

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