OMB control number

Foreign Assemblers Declaration (with Endorsement by Importer)

OMB 1651-0031 · DHS/USCBP.

OMB 1651-0031

The Foreign Assembler's Declaration with Importer's Endorsement is used by CBP to substantiate a claim for duty free treatment of U.S. fabricated components sent abroad for assembly and subsequently returned to the U.S.

The latest form for Foreign Assemblers Declaration (with Endorsement by Importer) expires 2027-10-31 and can be found here.

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