§ 159.31 Rates to be used.

19 CFR 159.31

Part 159: Liquidation of Duties · 2025 edition

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.

Source: eCFR (Title 19, 2025 Annual Edition). Regulatory text is a U.S. government work. Verify against the official eCFR before relying on it. Not legal advice.