No person shall operate or cause to be operated one or more motor buses as defined herein upon the highways of the city without first complying with the terms and provisions of this subchapter, and failure to operate any motor bus in compliance with the provisions of this subchapter may be cause for the revocation of such license.
('68 Code, § 5-606) (Ord. 91, passed 7-19-48) Penalty, see § 120.999