54 U.S.C. § 312103

Principal office

The National Trust shall have its principal office in the District of Columbia and shall be deemed, for purposes of venue in civil actions, to be a resident of the District of Columbia. The National Trust may establish offices in other places as it may consider necessary or appropriate in the conduct of its business.

( Pub. L. 113–287, § 3 , Dec. 19, 2014 , 128 Stat. 3249 .)