31 CFR 1010.313 : Money And Finance: Treasury (§ 0.101 To Parts 1061-1099) — (Part 500 To Parts 1061-1099) — Regulations Relating To Money And Finance (Continued) (Part 500 To Parts 1061-1099) — Financial Crimes Enforcement Network, Department Of The Treasury (Parts 1000-1009 To Parts 1061-1099) — General Provisions (§ 1010.100 To § 1010.980) — Reports Required To Be Made (§ 1010.300 To § 1010.370) — Aggregation.

(a) Multiple branches. A financial institution includes all of its domestic branch offices, and any recordkeeping facility, wherever located, that contains records relating to the transactions of the institution's domestic offices, for purposes of the transactions in currency reporting requirements in this chapter.

(b) Multiple transactions. In the case of financial institutions other than casinos, for purposes of the transactions in currency reporting requirements in this chapter, multiple currency transactions shall be treated as a single transaction if the financial institution has knowledge that they are by or on behalf of any person and result in either cash in or cash out totaling more than $10,000 during any one business day (or in the case of the U.S. Postal Service, any one day). Deposits made at night or over a weekend or holiday shall be treated as if received on the next business day following the deposit.