Off premises signs shall not be erected in front of the required setback line for the appropriate zoning district, except for the following:
A. For every square foot by which any on premises sign exceeds fifty (50) square feet, the setback shall be increased by one-half foot (1/2') but not to exceed one hundred feet (100');
B. Real estate signs and bulletin boards for a church, school or any other public, religious or educational institution within residential zoning districts may be erected not less than ten feet (10') from the established right of way line of any street or highway provided such sign or bulletin board does not obstruct traffic visibility at a street or highway intersection; and
C. On premises signs where permitted shall be erected or placed in conformity with the side and rear yard requirements of the district in which it is located, except that in any residential district, on premises signs shall not be erected or placed within ten feet (10') of a side or rear lot line. (Ord. 341, 9-10-1996)