S.C. Code Ann. § 31-3-1000

A majority of the commissioners of a regional housing authority shall constitute a quorum of such authority for the purpose of organizing the authority and conducting the business thereof. Nothing contained in this chapter and Chapter 11 shall be construed to prevent meetings of the commissioners of a housing authority anywhere within the perimeter boundaries of the area of operation or territorial jurisdiction of the authority or within any additional area in which the authority is authorized to undertake a housing project.