1. 31 C.F.R. § 1020.220(a)(3)(ii). "Record retention. The bank must retain the information in paragraph (a)(3)(i)(A) of this section for a period of five years after the date the account is closed..."
2. ACAMS CAMS6 - Certified Anti-Money Laundering Specialist Study Guide, 6th Edition, (2020). Chapter 5, "Compliance Standards for Anti-Money Laundering and Combating the Financing of Terrorism," pp. 178-179. The guide details the requirements of Section 326, including the five-year record retention rule after account closure.
3. Financial Crimes Enforcement Network (FinCEN). (2003). Final Rule: Customer Identification Programs for Banks, Savings Associations, Credit Unions, and Non-Federally Regulated Private Banks. This document establishes the final regulations for Section 326, specifying the recordkeeping requirements.