S.C. Code Ann. § 5-31-620: Election prerequisite to action under article.

Before such construction, purchase, sale, conveyance or disposal of any such property, or any part thereof, shall be made under the provisions of this article, the city or town council of the municipality shall submit the question of such construction, purchase, sale, conveyance or disposal of the qualified registered electors of the city or town at an election to be ordered for that purpose by the city or town council and to be conducted in accordance with the laws governing municipal elections.