D.C. Code § 6-641.15
The provisions of this subchapter shall not apply to federal public buildings; provided, however, that, in order to ensure the orderly development of the national capital, the location, height, bulk, number of stories, and size of federal public buildings in the District of Columbia and the provision for open space in and around the same will be subject to the approval of the National Capital Planning Commission.
D.C. Code § 6-641.15
This subchapter and subchapter V do not apply to buildings constructed on property transferred or conveyed pursuant to the Act of October 8, 1968, 82 Stat. 958, Pub. L. 90-553, as amended by the Act of May 25, 1982, 96 Stat. 101, Pub. L. 97-186.
National Capital Planning Commission, proposed developments, projects and acquisitions, see § 2-1004. Rental and utilization of public space, conditional authorization to construct structures, federal and district governments, see § 10-1121.11. .