Sec. 20-128. On call and off duty

An "On Call" sign shall be used when a taxicab is enroute to pick up a passenger, or awaiting a passenger at a designated place in response to the request of the passenger. The sign shall be visible from the street and placed in the lower right hand corner of the front windshield or upon the right hand sun visor. A taxicab, when not being operated for hire, shall display in the above manner an "Off Duty" sign. The lettering on the sign shall be at least three (3) inches in height.