POL Government Elected Officials Auditor Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 16 Vehicles and Tra Chapter 16.40 Private For-Hire Transportation Regulations.
16.40.390 Identification of SAT Vehicles.

All Specially Attended Transportation vehicles must prominently display on the outside of the vehicle, on both sides, the full name and telephone number of the permittee, and the words “RESERVED, NOT FOR-HIRE” on both rear doors or rear windows.  All required signage must be in lettering at least 3 inches in height with proportional width and must be clearly visible at all times.