The following signs may be permitted upon the issuance of a zoning certificate by the commission:
A. Signs advertising the sale, lease or rental of the premises upon which the sign is located shall not exceed twelve (12) square feet in area, except in all residential districts where the area of the sign shall not be more than six (6) square feet;
B. Professional nameplates not to exceed four (4) square feet in area;
C. Signs denoting the name and address of the occupants of the premises, not to exceed two (2) square feet in area;
D. Temporary signs not exceeding fifty (50) square feet in area announcing special public or institutional events, the erection of a building, the architect, the builders or contractors may be erected for a period of sixty (60) days plus the construction period;
E. On premises wall signs pertaining to a nonconforming use shall be permitted on the same premises of such use, provided that the area of such sign does not exceed twelve (12) square feet; and
F. Political signs, provided that, such signs shall not be posted in any place or in any manner that is destructive to public property upon posting or removal. No political sign shall be posted in a public right of way nor shall such sign be posted on a utility pole. No political sign shall be posted more than sixty (60) days before an election. All candidates for public office, their campaign committees or other persons responsible for the posting on public property of campaign material shall remove such material within two (2) weeks following election day. (Ord. 341, 9-10-1996)