Study notes. AI-assisted reference for NMLS SAFE exam prep — verify against primary sources (CFR, statute, CFPB) before relying on it. Not legal advice.

12 CFR Part 34, Subpart B (Adjustable-Rate Mortgages)

Updated 2026-05-17

regulationfederalcfradjustable-rate-mortgage

12 CFR Part 34, Subpart B, is a federal regulation that defines and sets general rules for national banks offering Adjustable-Rate Mortgage (ARM)s (ARMs).

Key Provisions

This regulation ensures that ARMs offered by national banks adhere to specific standards, particularly regarding the transparency and objectivity of interest rate adjustments.

Study the full exam sections

This page is reference detail. The five SAFE exam study guides put it in context.