e-CFR Navigation Aids


Simple Search

Advanced Search

 — Boolean

 — Proximity


Search History

Search Tips


Latest Updates

User Info


Agency List

Incorporation By Reference

eCFR logo

Related Resources

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Help button on the bottom right of each page!

e-CFR data is current as of September 17, 2020

Title 19Chapter IPart 159Subpart C → §159.33

Title 19: Customs Duties
Subpart C—Conversion of Foreign Currency

§159.33   Proclaimed rate.

If a rate of exchange has been proclaimed by the Secretary of the Treasury in accordance with 31 U.S.C. 5151(b) for the currency involved, such proclaimed rate shall be used unless it varies by 5 percent or more from the certified daily rate for the date of exportation as set forth in §159.35. In determining the percentage of variation between the proclaimed rate and the certified rate, the difference between the two rates shall be divided by the certified rate.

[T.D. 73-175, 38 FR 17482, July 2, 1973, as amended by T.D. 97-82, 62 FR 51771, Oct. 3, 1997]

Need assistance?