Any sign on a motor vehicle or trailer which is parked on the premises for the sole purpose of advertising a business or product or service of a business located on the premises or abutting the premises is prohibited, except that a changeable message advertising panel mounted on a vehicle or free standing is permitted under the following conditions.
(a) The sign shall not have any flashing lights.
(b) No exposed lamps or bulbs are permitted.
(c) The signs shall not exceed 32 square feet in sign face area.
(d) Each individual business premises or location shall be limited to the use of one such sign on one occasion in each calendar year, the occasion not to exceed 60 consecutive days.
(Ord. 2726, passed 7-23-1979)