if the Secretary determines that the waiver is required in the interest of national security. (2) Report to congress Any Secretary issuing a waiver under paragraph (1) shall report such issuance to Congress. (c) Exception This section shall not apply to any Federal Government contract entered into before the date of the enactment of this Act, or to any task order issued pursuant to such contract. 734. During fiscal year 2019, for each employee who— (1) retires under section 8336(d)(2) or 8414(b)(1)(B) of title 5, United States Code