19 U.S.C. § 4432
Pursuant to section 1629 of this title and section 1103(a)(7) of title 8, and provided that an aviation security preclearance agreement (as defined in section 44901(d)(4)(B) 1 of title 49) is in effect, the Secretary may establish and maintain U.S. Customs and Border Protection preclearance operations in a foreign country—
(Pub. L. 114–125, title VIII, § 813, , 130 Stat. 217.)
Section 44901(d)(4)(B) of title 49, referred to in text, was redesignated section 44901(d)(2)(B) of title 49 by Pub. L. 115–254, div. K, title I, § 1991(d)(1)(C)(iii), , 132 Stat. 3628.
1 See References in Text note below.