The Attorney General and the Secretary of the Treasury may prohibit—

1. (1) a vehicle from parking or standing on a street or roadway adjacent to a building in the District of Columbia—

   1. (A) at least partly owned or possessed by, or leased to, the Federal Government; and
   2. (B) used by law enforcement authorities subject to their jurisdiction; and
2. (2) a person or entity from conducting business on property immediately adjacent to a building described in paragraph (1).

(Pub. L. 107–217, Aug. 21, 2002, 116 Stat. 1205.)