years 2017 through 2021, the Secretary of Homeland Security shall increase by not less than 500 the number of positions for full-time active duty immigration enforcement agents responsible for transporting and guarding detained aliens above the number of such positions for which funds were allotted for the preceding fiscal year. 645. Increase United States Border Patrol agent and inspector pay (a) In general Effective as of the first day of the first applicable pay period beginning on or after the date of the enactment of this Act, the rate of basic pay for all employees of the Department of Homeland Security described in subsection (b) shall be increased in accordance with subsection (c). (b) Employees described This section applies to any individual who, as of the date of the enactment of this Act— (1) is a journey level United States Border Patrol agent or immigration, customs, or agriculture inspector within the Department of Homeland Security, whose primary duties consist of enforcing the immigration, customs, or agriculture laws of the United States