The National Capital Transportation Act of 1960, referred to in par. (4), is Pub. L. 86–669, July 14, 1960, 74 Stat. 537, which enacted sections 651, 652, 661 to 665, and 671 of former Title 40, Public Buildings, Property, and Works, and enacted provisions set out as notes under section 651 of former Title 40 and which was repealed by Pub. L. 91–143, § 8(a)(1), Dec. 9, 1969, 83 Stat. 322.

The National Capital Transportation Act of 1965, referred to in par. (4), is Pub. L. 89–173, Sept. 8, 1965, 79 Stat. 663. Section 1 of the Act, which was classified to a note under section 681 of former Title 40, Public Buildings, Property, and Works, was repealed by Pub. L. 107–217, § 6(b), Aug. 21, 2002, 116 Stat. 1304. Section 2 of the Act, which was classified to section 681 of former Title 40, has been omitted from the Code. Sections 3 and 4 of the Act, which were classified to sections 682 and 683, respectively, of former Title 40, were repealed by Pub. L. 91–143, § 8(a)(2), Dec. 9, 1969, 83 Stat. 323. Sections 5(a) (no subsec. (b) was enacted) and 6 of the Act, which were classified to sections 684 and 685, respectively, of former Title 40, were repealed by Pub. L. 107–217, § 6(b), Aug. 21, 2002, 116 Stat. 1304. Section 7 of the Act amended provisions classified to section 662 of former Title 40, which was repealed by Pub. L. 89–774, § 5(b), Nov. 6, 1966, 80 Stat. 1353. Section 8 of the Act, which was classified to a note under section 681 of former Title 40, has been omitted from the Code.

1976—Pub. L. 94–541 inserted in parenthetical text “not leased by the Government for subsidized housing programs” after “structure” and struck out from par. (2) “, after construction or alteration in accordance with plans and specifications of the United States” after “August 12, 1968”.

1970—Par. (4). Pub. L. 91–205 added par. (4).

Pub. L. 90–480, Aug. 12, 1968, 82 Stat. 718, which enacted this chapter, is popularly known as the “Architectural Barriers Act of 1968”.

Pub. L. 94–541, title II, § 202, Oct. 18, 1976, 90 Stat. 2508, provided that: “The amendment made by paragraph (1) of section 201 of this Act [amending this section] shall not apply to any lease entered into before January 1, 1977. It shall apply to every lease entered into on or after January 1, 1977, including any renewal of a lease entered into before such date which renewal is on or after such date.”