U.S. Code / Title 19 — Customs Duties / Chapter 23—Extension of Certain Trade Benefits…Title 19SubchapterSubchapter Ii—Trade BenefitsContents§ 3721. Treatment of certain textiles and apparel§ 3722. Protections against transshipment§ 3723. Free trade agreements with sub-Saharan African countries§ 3724. Assistant United States Trade Representative for African Affairs