If the Chief of Police finds that the applicant to drive a taxicab has not been convicted of a felony; a violation of any federal or state statute relating to the use, possession, or sale of intoxicating liquors; any federal or state statute relating to prostitution; any federal or state statute relating to the use, possession, or sale of narcotic drugs; within the past five years, and that the applicant is a citizen of the United States and is not a habitual user of intoxicating liquors or narcotic drugs; has not been a habitual violator of traffic laws; and is a careful and prudent driver, the Chief may issue a permit to the applicant to drive a taxicab on receipt of the fee established by Council for these permits.
('58 Code, § 18-22)