6 U.S.C. § 641
Definitions
In this subchapter:
(1) Department
The term “Department” means the Department of Homeland Security.
(2) Human trafficking
The term “human trafficking” means an act or practice described in paragraph (9) or (10) of section 7102 of title 22 .
(3) Secretary
The term “Secretary” means the Secretary of Homeland Security.
( Pub. L. 114–22, title IX, § 901 , May 29, 2015 , 129 Stat. 264 .)