(a) Definition. For purposes of this section, a "changeable copy sign" means a sign designed so that characters, letters, or illustrations on the sign can be changed or rearranged without altering the face or surface of the sign.
(b) Prohibition. The following types of signs are prohibited:
(1) a portable sign, including a portable changeable copy sign, with or without wheels;
(2) a sandwich sign;
(3) revolving signs and whirling signs; and
(4) a sign that projects above the roof of a structure, a sign painted on the roof of a structure, and a sign supported by poles, uprights, or braces extending from or attached to the roof of a structure.
(Bill No. 4-05; Bill No. 78-05; Bill No. 66-21)