CFR›Title 19›Chapter I›Part 181›Subpart D ContainsSections 181.31–181.33CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart D—Post-Importation Duty Refund Claims Sections 181.31 § 181.31 Right to make post-importation claim and refund duties. 181.32 § 181.32 Filing procedures. 181.33 § 181.33 Customs processing procedures. Previous C Subpart C—Import Requirements Next E Subpart E—Restrictions on Drawback and Duty-Deferral Programs