Rule 33-209-2.2 - Wall Mounted Signs(a) A sign at the wall of a building with the face parallel to and within 12 inches of the plane of building wall.(b) Business establishments may have a wall mounted sign not to exceed 1.5 square feet per one (1) foot of linear feet of street frontage that the business occupies with the maximum allowed not to exceed one-hundred and fifty (150) square feet.(c) Large multi-use businesses, regardless of distance to street, such as a regional grocery store (with individual departments) may use individual department signs but the total square footage of all signage shall not exceed two hundred (200) square feet.33 Miss. Code. R. 209-2.2