22 U.S.C. § 4853
Security requirements for contractors
Not later than 90 days after August 27, 1986 , the Secretary of State shall issue regulations to—
(1)
strengthen the security procedures applicable to contractors and subcontractors involved in any way with any diplomatic construction or design project; and
(2)
permit a contractor or subcontractor to have access to any design or blueprint relating to such a project only in accordance with those procedures.
( Pub. L. 99–399, title IV, § 403 , Aug. 27, 1986 , 100 Stat. 865 .)