6 U.S. Code § 202 - Border, maritime, and transportation responsibilities
Part C of this subchapter, referred to in par. (6), was in the original “subtitle C”, meaning subtitle C (§ 421 et seq.) of title IV of Pub. L. 107–296, Nov. 25, 2002, 116 Stat. 2182, which enacted part C (§ 231 et seq.) of this subchapter and amended sections 2279e and 2279f of Title 7, Agriculture, and sections 115, 44901, and 47106 of Title 49, Transportation. For complete classification of subtitle C to the Code, see Tables.
The customs laws of the United States, referred to in par. (6), are classified generally to Title 19, Customs Duties.