Code of Federal Regulations Title 19. Customs Duties § 19.10.2026 Verification and justification of claim for preferential tariff treatment

(a) Verification. A claim for preferential tariff treatment made under § 10.2003(b) or § 10.2011, including any statements or other information submitted to CBP in support of the claim, will be subject to such verification as the Center director deems necessary. In the event that the Center director is provided with insufficient information to verify or substantiate the claim, or the Center director finds a pattern of conduct, indicating that an importer, exporter, or producer has provided false or unsupported declarations or certifications, or the exporter or producer fails to consent to a verification visit, the Center director may deny the claim for preferential treatment. A verification of a claim for preferential tariff treatment under PANTPA for goods imported into the United States may be conducted by means of one or more of the following:

(b) Applicable accounting principles. When conducting a verification of origin to which Generally Accepted Accounting Principles may be relevant, CBP will apply and accept the Generally Accepted Accounting Principles applicable in the country of production.