19 C.F.R. § 132.25 Undeliverable shipment.
Title 19 - Customs Duties
If within a reasonable time, but not to exceed 30 days, the addressee fails to indicate to the port director an intention to receive delivery of the packages or a portion thereof in accordance with the notice on Customs Form 3509 which was sent to him by the port director, the importation shall be treated in the same manner as other undeliverable mail.
Title 19: Customs Duties
PART 132—QUOTAS
Subpart C—Mail Importation of Absolute Quota Merchandise
§ 132.25 Undeliverable shipment.
