19 C.F.R. § 181.52 Subsequent claims for preferential tariff treatment.
Title 19 - Customs Duties
If a claim for a refund of duties is allowed by the Canadian or Mexican customs administration under Article 502(3) of the NAFTA (post-importation claim) or under any other circumstance after drawback has been granted under this subpart, the appropriate Customs officer shall reliquidate the drawback claim and obtain a refund of the amount paid in drawback in excess of the amount permitted to be paid under §181.44 of this part.
Title 19: Customs Duties
PART 181—NORTH AMERICAN FREE TRADE AGREEMENT
Subpart E—Restrictions on Drawback and Duty-Deferral Programs
§ 181.52 Subsequent claims for preferential tariff treatment.