A vessel may not transport municipal or commercial waste in coastal waters without--
(a) A conditional permit to transport municpal or commercial waste issued under this subpart; and
(b) Displaying a number in accordance with Sec. 151.1024. [CGD 89-014, 54 FR 22548, May 24, 1989; CGD 89-014, 54 FR 24078, June 5, 1989]