31 USC 5331 – Reports relating to coins and currency received in nonfinancial trade or business
(a)
(1)(A) who is engaged in a trade or business, and
(B) 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
(2) 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)
(1) is in such form as the Secretary may prescribe;
(2) contains—
(A) the name and address, and such other identification information as the Secretary may require, of the person from whom the coins or currency was received;
(B) the amount of coins or currency received;
(C) the date and nature of the transaction; and
(D) such other information, including the identification of the person filing the report, as the Secretary may prescribe.
(c)
(1)
(2)
(d)
(1)
(A) foreign currency; and
(B) to the extent provided in regulations prescribed by the Secretary, any monetary instrument (whether or not in bearer form) with a face amount of not more than $10,000.
(2)