Trade Compliance

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CBP Updates HTSUS Units of Quantities to Comply With Drawback Trade Enforcement Requirements

Posted March 12, 2019

The Drawback requirements outlined in Section 906 of the Trade Facilitation and Trade Enforcement Act (TFTEA) that was signed into law in 2016, require that U.S. Customs and Border Protection (CBP) is able to identify a standard “per unit” quantity at the Harmonized Tariff Schedule of the United States (HTSUS) level on articles being imported into the United States. CBP ultimately needs this information is to be able to comply with the changes that TFTEA has made to agency’s Drawback operations.

As result of this requirement, CBP has been working with both the U.S. International Trade Commission and the Census Bureau to change HTSUS units of quantities (UOQ) that were previously listed generically as “X” to a standardized unit of measurement such as kilograms (“kg”) or number (“No.”). A UOQ of “X” indicates importers do not report a quantity, other than gross weight, which conflicts with the Drawback data collection requirements outlined by TFTEA.

The first HTSUS UOQ update was made on January 1, 2019, and converted all 659 of the dutiable ten-digit statistical suffixes that previously had a UOQ of “X” to a standardized unit of measurement.

The next update HTSUS UOQ update is tentatively scheduled to be implemented on January 1, 2020, and will convert all the remaining statistical suffixes to conform with this new format. 

For a complete list of the HTSUS UOQ changes, please click here. Any questions about this initiative should be emailed to

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