Sufficient cause for revocation of all right and privilege of operating a taxicab under license issued pursuant to this chapter includes, but is not limited to, the following acts by the licensee:
(1) Employment of any driver who does not hold both a taxicab driver’s license from Speedway and the appropriate license from the state of Indiana;
(2) Failure to maintain at all times a central office, equipped with adequate telephone service and employees, where calls shall be received and answered during all of every twenty-four hours, every day throughout the year;
(3) Failure to display the master taxicab license certificate at all times in a prominent place in the central dispatcher’s office or other principal place of business;
(4) The charging of rates exceeding the maximum rates set forth in this chapter;
(5) Knowing employment of any driver who has been convicted of a felony within the past five years, or of any offense involving moral or sexual turpitude, or who is addicted to drugs or intoxicants; or who has given false information on his application for a taxicab driver’s license;
(6) Failure to retain for two years the record-of-calls-made, required to be filed with the licensee by all drivers;
(7) The use of one or more of the licensee’s taxicabs for illegal purposes, including but not limited to pandering, procuring, prostitution, blackmail, and theft;
(8) Failure to maintain in effect at all times a policy of insurance as required by Section 5.12.130 of this chapter;
(9) Failure to maintain vigorous supervision of the drivers of the licensee, so as to prevent acts which are sufficient cause for seizure of the individual taxicab license certificate and of the taxicab driver’s license. (Ord. 383 § 9, 1966).