Columbia Vehicle and driver appearance ordinance (§ 28-104)

(a) Every permit holder shall maintain his vehicles in a clean serviceable condition and in adequate repair. All permitted vehicles, except minivans, shall have two (2) doors affording direct entrance and exit to and from the passenger compartment. The interior of each vehicle shall be cleaned and vacuumed at the beginning of each driver's shift and shall be maintained in a clean condition, free of foreign matter and offensive odors. There shall be no litter in the vehicle or trunk and the seats shall be kept clean and without holes or large wear spots. The exterior of each vehicle shall be washed at least once each week.

(b) While on duty, all drivers governed by this article must be neat and clean in dress and person.