2021—Subsec. (a). Pub. L. 117–58 added subsec. (a) and struck out former subsec. (a) which authorized appropriations for administrative expenses of the Federal Motor Carrier Safety Administration for fiscal years 2016 to 2020.

2018—Subsec. (c)(1). Pub. L. 115–99 inserted at end “The program authorized under this subsection may support, in addition to funds otherwise available for such purposes, the recognition, prevention, and reporting of human trafficking, while deferring to existing resources, as practicable.”

Section effective Oct. 1, 2015, see section 1003 of Pub. L. 114–94, set out as an Effective Date of 2015 Amendment note under section 5313 of Title 5, Government Organization and Employees.