D.C. Code § 9-1111.13
(a) The Secretary of Transportation shall not make any grant under § 9-1111.11(a) for the cost of construction of the adopted regional system, until the Secretary has determined that the local participating governments, or signatories (as defined in subparagraph (d) of paragraph 1 of Article I of Title III of the Washington Metropolitan Area Transit Authority Compact) to the Compact, have provided a stable and reliable source of revenue sufficient to meet both:
(b) The Transit Authority, in consultation with each governmental entity that is a local participating government or signatory to the Compact as referred to in subsection (a) of this section, for the purposes of this subchapter, shall submit a program to the Secretary of Transportation on or before September 30, 1980, showing how each such governmental entity will have in place on or before August 15, 1982, a stable and reliable source of revenue to provide for its contributions:
Dec. 9, 1969, 83 Stat. 320, Pub. L. 91-143, § 16
Jan. 3, 1980, 93 Stat. 1320, Pub. L. 96-184, § 2
1981 Ed., § 1-2465.
This section is referenced in § 9-1111.11.