§ 450-55. Vehicles functioning as signs.

Any vehicle or trailer displaying a sign area greater than 20 square feet that is being used in such a manner that the carrying of sign(s) no longer is incidental to the primary purpose of the vehicle or trailer but becomes a primary purpose in itself shall be considered a freestanding sign and shall be subject to all of the requirements for freestanding signs. This shall include, but not be limited to, a vehicle that is parked in the front yard of a business within clear view of a street and that is not moved to another lot at least once a week.