19 CFR §114.32
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
A.T.A. or TECRO/AIT carnets may be accepted for unaccompanied samples and samples imported by a natural person resident in the Customs territory of the United States, as well as for samples imported by a natural person resident in the territory of another contracting party to the A.T.A. Convention or TECRO/AIT Agreement.