S.C. Code Ann. § 6-17-130: Execution by former officers shall be valid.

Refunding bonds bearing the signatures of officers of the municipality in office on the date of the signing thereof shall be valid and binding obligations of the municipality for all purposes, notwithstanding that before the delivery thereof any or all of the persons whose signatures appear thereon shall have ceased to be officers of the municipality, the same as if such persons had continued to be officers of the municipality until after the delivery thereof.