CFR›Title 12›Chapter I›Part 21›Subpart C ContainsSection 21.21CorpusDaily eCFRDisplayed edition2026-05-20Last updated2026-05-20 Subpart C—Procedures for Monitoring Bank Secrecy Act Compliance Sections 21.21 § 21.21 Procedures for monitoring Bank Secrecy Act (BSA) compliance. Previous B Subpart B—Reports of Suspicious Activities