FINRA Rule 3110 & Agentic AI Voice for Broker-Dealers in 2026

FINRA's 2026 Annual Regulatory Oversight Report flagged agentic AI as a supervisory reckoning. Here is how Rule 3110, 4370, and the books-and-records rules apply to AI voice agents that talk to retail investors.

What the rule says

FINRA Rule 3110 (Supervision) requires every member firm to maintain a "reasonably designed" supervisory system. The 2026 Annual Regulatory Oversight Report (December 2025) called out agentic AI — autonomous, multi-step systems — as a top emerging risk. Firms deploying AI voice or chat must also satisfy Rule 4370 (Business Continuity), Rule 2210 (Communications with the Public), and SEA Rule 17a-4 books-and-records (3-year retention, WORM-equivalent storage). Regulatory Notice 24-09 already framed GenAI under existing supervision and recordkeeping rules.

What AI voice/chat must do

Three controls FINRA expects: (1) human-in-the-loop for any recommendation that touches a security, (2) guardrails that limit agent actions (no order entry, no rate quoting, no advice on specific instruments unless human-approved), and (3) comprehensive documentation — every prompt, tool call, and output captured for the supervisor's review. Communications generated by the AI count as "advertising" under Rule 2210 and need principal pre-approval if they reach more than 25 retail investors in 30 days.

flowchart TD
  A[Investor calls broker-dealer] --> B[AI voice agent answers]
  B --> C{Investor asks for advice?}
  C -- Yes --> D[Hand off to licensed RR]
  C -- No --> E[Information-only path]
  E --> F[Tool calls logged]
  F --> G[Transcript + WORM storage]
  G --> H[Daily supervisor review queue]
  H --> I[Annual 3110 attestation]

CallSphere posture

CallSphere runs 37 agents · 90+ tools · 115+ DB tables · 6 verticals · HIPAA + SOC 2 aligned. The financial-services agent ships with a Rule 3110 guardrail bundle: a "no-recommendation" classifier blocks any output that names a specific security, an immutable transcript log writes to WORM-equivalent S3 Object Lock, and a daily supervisor digest surfaces flagged calls. $149 / $499 / $1,499 tiers, 14-day trial, 22% recurring affiliate.

Compliance checklist

1. Written supervisory procedures (WSPs) updated for AI voice
2. Pre-approved scripts for every information-only intent
3. Hard block on order entry, recommendations, rate quotes
4. WORM-equivalent transcript retention for 3+ years
5. Designated principal for AI communications review
6. Annual model risk review per FINRA model-risk framework
7. Vendor due diligence on the underlying LLM

FAQ

Is using ChatGPT directly a 3110 violation? Not per se — but without WSPs, supervision logs, and content review, it is.

Does the AI need to be "registered"? No — only the human RRs do. The AI is a tool; its outputs are firm communications.

Can the AI pass a Series 7? Irrelevant — FINRA expects humans to remain accountable for any registered activity.

What about agentic AI that books trades? FINRA's 2026 Report explicitly says firms should consider "human-in-the-loop oversight protocols" for autonomous agents. Don't ship without it.

How long must I keep call recordings? SEA Rule 17a-4: 3 years, first 2 in an easily accessible place.

Sources

• FINRA 2026 Annual Regulatory Oversight Report - https://www.finra.org/rules-guidance/guidance/reports/2026-finra-annual-regulatory-oversight-report/gen-ai
• FINRA Regulatory Notice 24-09 (GenAI) - https://www.finra.org/rules-guidance/notices/24-09
• FINRA 2026 Annual Report PDF - https://www.finra.org/sites/default/files/2025-12/2026-annual-regulatory-oversight-report.pdf
• Sidley - FINRA 2026 Oversight Report Analysis - https://www.sidley.com/en/insights/newsupdates/2025/12/finra-issues-2026-regulatory-oversight-report
• Snell & Wilmer - Supervisory Reckoning for Autonomous AI - https://www.swlaw.com/publication/finras-2026-oversight-report-signals-a-supervisory-reckoning-for-autonomous-ai/

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