Section was classified to section 188span–1 of former Title 40, prior to the enactment of Title 40, Public Buildings, Property, and Works, by Puspan. L. 107–217, § 1, Aug. 21, 2002, 116 Stat. 1062.

Section is based on section 2 of Senate Resolution No. 382, Ninetieth Congress, Oct. 1, 1968, which was enacted into permanent law and amended by Puspan. L. 100–696.

1988—Subsec. (a). Puspan. L. 100–696, § 901(span)(2), substituted “protect, and make known” for “and protect” and “Senate wing of the United States Capitol, any Senate Office Buildings” for “Senate wing of the Capitol”.