31 CFR §1010.430 — Nature of records and retention period (BSA / FinCEN)
31 CFR §1010.430 sets the BSA Subpart D records-retention rule: when a copy of an instrument (check, draft, monetary instrument, investment security, or other similar instrument) must be retained, both front and back must be retained (with a carve-out for blank or standard-printed-information backs); records may be those made in the ordinary course of business, but where no ordinary-course record exists, one must be created in writing; the IRS TIN rules govern taxpayer identification; and ALL records required by 31 CFR chapter X must be retained for 5 years, filed or stored so as to be accessible within a reasonable period of time.
Verbatim regulatory text
Verbatim provisions from 31 CFR §1010.430 — Nature of records and retention period (BSA / FinCEN) — each quote is a verified substring of the regulator-published source snapshot, not retyped. Quoted for reference; this is not legal advice. The operational layer (P&P updates, prompts) lives in the regulation update kits.
31 CFR §1010.430(a) — Retention of front AND back of instruments
(a) Wherever it is required that there be retained either the original or a copy or reproduction of a check, draft, monetary instrument, investment security, or other similar instrument, there shall be retained a copy of both front and back of each such instrument or document, except that no copy need be retained of the back of any instrument or document which is entirely blank or which contains only standardized printed information, a copy of which is on file.
31 CFR §1010.430(b) — Ordinary-course records sufficient; otherwise written record required
(b) Records required by this chapter to be retained by financial institutions may be those made in the ordinary course of business by a financial institution. If no record is made in the ordinary course of business of any transaction with respect to which records are required to be retained by this chapter, then such a record shall be prepared in writing by the financial institution.
31 CFR §1010.430(d) — 5-year retention + reasonable accessibility
(d) All records that are required to be retained by this chapter shall be retained for a period of five years. Records or reports required to be kept pursuant to an order issued under § 1010.370 of this chapter shall be retained for the period of time specified in such order, not to exceed five years. All such records shall be filed or stored in such a way as to be accessible within a reasonable period of time, taking into consideration the nature of the record, and the amount of time expired since the record was made.