31 U.S. Code § 5331. Reports relating to coins and currency received in nonfinancial trade or business
(a) Coin and Currency Receipts of More Than $10,000.—Any person—
who, in the course of such trade or business, receives more than $10,000 in coins or currency in 1 transaction (or 2 or more related transactions), or
who is required to file a report under section 6050I(g) of the Internal Revenue Code of 1986,
shall file a report described in subsection (b) with respect to such transaction (or related transactions) with the Financial Crimes Enforcement Network at such time and in such manner as the Secretary may, by regulation, prescribe.
(b) Form and Manner of Reports.—A report is described in this subsection if such report—
the amount of coins or currency received;
such other information, including the identification of the person filing the report, as the Secretary may prescribe.
(1) Amounts received by financial institutions.—
Subsection (a) shall not apply to amounts received in a transaction reported under section 5313 and regulations prescribed under such section.
(2) Transactions occurring outside the united states.—
Except to the extent provided in regulations prescribed by the Secretary, subsection (a) shall not apply to any transaction if the entire transaction occurs outside the United States.
(d) Currency Includes Foreign Currency and Certain Monetary Instruments.—
(1) In general.—For purposes of this section, the term “currency” includes—
foreign currency; and
References in Text
2011—Subsec. (a). Pub. L. 112–74 redesignated pars. (1) and (2) as subpars. (A) and (B), respectively, of par. (1), substituted “, and” for “; and” in subpar. (A), inserted “or” at end of subpar. (B), and added par. (2).
“Regulations which the Secretary [of the Treasury] determines are necessary to implement this section [enacting this section and amending sections 5312, 5317, 5318, 5321, 5324, 5326, and 5328 of this title] shall be published in final form before the end of the 6-month period beginning on the date of enactment of this Act [Oct. 26, 2001].”