48 CFR §225.903
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
(b)
(i) For an explanation of the term “supplies,” see PGI 225.903(b)(i).
(ii) The duty-free certificate shall be printed, stamped, or typed on the face of, or attached to, Customs Form 7501. A duly designated officer or civilian official of the appropriate department or agency shall execute the certificate in the format provided at PGI 225.903(b)(ii).