At any time after the issuance of a permit to any person to drive a taxicab, the City Council may revoke the permit, if the person holding the permit is convicted of a felony; a violation of any federal or state statute relating to the use, possession, or sale of intoxicating liquors; a violation of any federal or state statute relating to the use, possession, or sale of narcotic drug; repeated violations of traffic laws or ordinances; a violation of any state or federal statute relating to prostitution; or becomes an habitual user of intoxicating liquors or narcotic drugs.
('58 Code, § 18-24)