22 U.S. Code § 4306 - Location of foreign missions in the District of Columbia
The location, replacement, or expansion of chanceries in the District of Columbia shall be subject to this section.
Regulations issued to carry out this section shall provide for proceedings of a rule-making and not of an adjudicatory nature.
The Secretary shall require foreign missions to comply substantially with District of Columbia building and related codes in a manner determined by the Secretary to be not inconsistent with the international obligations of the United States.
Provisions of law (other than this chapter) applicable with respect to the location, replacement, or expansion of real property in the District of Columbia shall apply with respect to chanceries only to the extent that they are consistent with this section.