Pub. L. 86-500, tit. V, sec. 505

Sec. 505. Contracts for construction made by the United States for performance within the United States and its possessions, under this Act shall be executed under the jurisdiction and supervision of the Corps of Engineers, Department of the Army, or the Bureau of Yards and Docks, Department of the Navy, unless the Secretary of Defense determines that because such jurisdiction and supervision is wholly impracticable such contracts should be executed under the jurisdiction and supervision of another department or Government agency, and shall be awarded, insofar as practicable, on a competitive basis to the lowest responsible bidder, if the national security will not be impaired and the award is consistent with chapter 137 of title 10, United States Code. The Secretaries of the military departments shall report semiannually to the President of the Senate and the Speaker of the House of Representatives with respect to all contracts awarded on other than a competitive basis to the lowest responsible bidder.