19 C.F.R. § 191.168 Time limit for exportation or destruction.
Title 19 - Customs Duties
Merchandise not exported or destroyed within 90 days from the date of notification of acceptance of the drawback entry shall be considered unclaimed, unless upon written request by the importer, prior to the expiration of the 90-day period, the drawback office grants an extension of not more than 90 days.
Title 19: Customs Duties
PART 191—DRAWBACK
Subpart P—Distilled Spirits, Wines, or Beer Which Are Unmerchantable or Do Not Conform to Sample or Specifications
§ 191.168 Time limit for exportation or destruction.