The permittee and all persons employed by permittee in vehicle towing operations shall obtain an identification card issued under the provisions of chapter 1, article 2 of this title. The applicant for an identification card under this article shall be at least eighteen (18) years of age and shall possess a valid driver's license issued by the state of California. In addition to the criteria set forth in section 4-1-203 of this title, the police chief shall deny the identification card if the applicant:
A. Has been convicted of reckless driving or driving under the influence of alcohol or narcotics within seven (7) years preceding filing of the application.
B. Has been convicted of a moving traffic violation within one year preceding filing of the application.
C. Has physical impairments which create an unreasonable risk to persons or property in the performance of vehicle towing operations.
D. When one or more of the findings is negative to the applicant, an identification card may be conditionally issued to the applicant where unique circumstances exist, and provided that appropriate conditions are imposed to protect the public health, welfare, and safety. (1962 Code § 6-21.101 et seq.)