S.C. Code Ann. § 43-26-80: Blind vendors may have guide dogs on public property.

Blind persons who are licensed by the commission to operate vending facilities shall be allowed to have their guide dogs present with them while on public property, any state, county or municipal laws, regulations, ordinances to the contrary notwithstanding. Provided, however, that this section shall in no manner affect or limit the provisions of Chapter 33 of Title 43 of the 1976 Code.