A. There shall be carried in the tow car passenger compartment for viewing upon request of any person whose vehicle is being or may be towed by the tow car:
1. A copy of a valid permit issued pursuant to this chapter; and
B. There shall be displayed on each exterior side of the tow car a sign showing the name of the company or the owner or operator of the tow cars. The sign shall also contain the business address and telephone number of the owner or driver. The letters of the sign shall be not less than two and one-half inches in height and the lettering shall be in contrast to the color of the background upon which they are placed. (Prior code § 42.04.055)