Pub. L. 84-757, tit. I, pt. 1, sec. 3

Sec. 3. No competitive street railway or bus line, that is, bus or railway line for the transportation of passengers of the character which runs over a given route on a fixed schedule, shall be established to operate in the District of Columbia without the prior issuance of a certificate by the Public Utilities Commission of the District of Columbia (referred to in this part as the “Commission”) to the effect that the competitive line is necessary for the convenience of the public.