Regulations last checked for updates: Feb 16, 2025

Title 19 - Customs Duties last revised: Jan 17, 2025
§ 159.31 - Rates to be used.

Except as otherwise specified in this subpart, no rate or rates of exchange shall be used to convert foreign currency for Customs purposes other than a proclaimed rate or certified rate or rates.

authority: 19 U.S.C. 66,1500,1504,1624
source: T.D. 73-175, 38 FR 17482, July 2, 1973, unless otherwise noted.
cite as: 19 CFR 159.31