Portable signs approved by the building inspector shall not exceed thirty two (32) square feet per face unless specified differently elsewhere, or sixty four (64) square feet total, if the sign has more than one facing. This sixty four (64) square feet must be divided equally among the faces. Said signs shall be permitted annually. Setback shall not be less than ten feet (10') from any street right of way. (Ord. 1530, 1-18-2011)