22 U.S. Code § 4853 - Security requirements for contractors

Not later than 90 days after August 27, 1986, the Secretary of State shall issue regulations to—
strengthen the security procedures applicable to contractors and subcontractors involved in any way with any diplomatic construction or design project; and
permit a contractor or subcontractor to have access to any design or blueprint relating to such a project only in accordance with those procedures.

The following state regulations pages link to this page.