D.C. Code § 9-1203.03
Said railroad company is hereby authorized to construct, maintain, and operate branch tracks, spurs, or sidings into any lot or square zoned or thereafter zoned for industrial or 2nd commercial use abutting upon any street or avenue over and along which said railroad company is hereby specifically authorized to lay and operate tracks, and also to construct tracks to serve any wharf which may be established on the Anacostia River; provided, that the construction of all such railroad tracks and appurtenant turnouts, branch tracks, and sidings, in all respects and things, shall be subject to the prior approval of the Council of the District of Columbia after report by the National Capital Planning Commission, such approval to be noted upon identical copies of a suitably prepared plat or chart, 1 copy to be kept on file in the Office of the Mayor of the District of Columbia and the other thereof to be kept on file in the office of the National Capital Planning Commission.
D.C. Code § 9-1203.03