S.C. Code Ann. § 13-12-220: Implementation contingent upon vote of electors in two or more of affected counties.

The provisions of Title 13, Chapter 12 shall take effect upon approval by the Governor, but these provisions may not be implemented until the question of whether to establish such an authority receives a favorable vote of a majority of the qualified electors residing in two or more of the counties of Berkeley, Charleston, and Dorchester as provided in this chapter.