26 U.S.C. § 6050I: Returns relating to cash received in trade or business, etc.

who is engaged in a trade or business, and who, in the course of such trade or business, receives more than $10,000 in cash in 1 transaction (or 2 or more related transactions), is in such form as the Secretary may prescribe, the name, address, and TIN of the person from whom the cash was received, the amount of cash received, the date and nature of the transaction, and such other information as the Secretary may prescribe. cash received in a transaction reported under title 31, United States Code, if the Secretary determines that reporting under this section would duplicate the reporting to the Treasury under title 31, United States Code, or cash received by any financial institution (as defined in subparagraphs (A), (B), (C), (D), (E), (F), (G), (J), (K), (R), and (S) of section 5312(a)(2) of title 31 , United States Code). 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. foreign currency, 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, and any digital asset (as defined in section 6045(g)(3)(D)). the name, address, and phone number of the information contact of the person required to make such return, and the aggregate amount of cash described in subsection (a) received by the person required to make such return. cause or attempt to cause a trade or business to fail to file a return required under this section, cause or attempt to cause a trade or business to file a return required under this section that contains a material omission or misstatement of fact, or structure or assist in structuring, or attempt to structure or assist in structuring, any transaction with one or more trades or businesses. A person violating paragraph (1) of this subsection shall be subject to the same civil and criminal sanctions applicable to a person which fails to file or completes a false or incorrect return under this section. Every clerk of a Federal or State criminal court who receives more than $10,000 in cash as bail for any individual charged with a specified criminal offense shall make a return described in paragraph (2) (at such time as the Secretary may by regulations prescribe) with respect to the receipt of such bail. is in such form as the Secretary may prescribe, and the individual charged with the specified criminal offense, and each person posting the bail (other than a person licensed as a bail bondsman), the amount of cash received, the date the cash was received, and such other information as the Secretary may prescribe. any Federal criminal offense involving a controlled substance, racketeering (as defined in section 1951, 1952, or 1955 of title 18, United States Code), money laundering (as defined in section 1956 or 1957 of such title), and any State criminal offense substantially similar to an offense described in subparagraph (A), (B), or (C). Each clerk required to include on a return under paragraph (1) the information described in paragraph (2)(B) with respect to an individual described in paragraph (2)(B)(i)(I) shall furnish (at such time as the Secretary may by regulations prescribe) a written statement showing such information to the United States Attorney for the jurisdiction in which such individual resides and the jurisdiction in which the specified criminal offense occurred. the name and address of the clerk’s office required to make the return, and the aggregate amount of cash described in paragraph (1) received by such clerk. The amendments made by subsections (a) and (b) [amending this section and section 6721 of this title ] shall apply to amounts received after the date of the enactment of this Act [ Nov. 5, 1990 ]. The amendment made by subsection (c) [amending this section] shall take effect on the date of the enactment of this Act. Not later than June 1, 1991 , the Secretary of the Treasury or his delegate shall prescribe regulations under section 6050I(d)(2) of the Internal Revenue Code of 1986 (as amended by this section).”