Regulations last checked for updates: Feb 07, 2026

Title 19 - Customs Duties last revised: Jan 22, 2026
§ 143.16 - Substitution of warehouse entry.

The importer may substitute an entry for warehouse at any time within 1 year from the date of importation, provided the merchandise has remained in continuous Customs custody.

cite as: 19 CFR 143.16