S.C. Code Ann. § 2-3-30: Subsistence expenses for members and Lieutenant Governor.

Except for legislative days which, by Senate or House action, are designated for consideration only of local and uncontested matters, members of the General Assembly must be paid subsistence expenses as may be provided for by law for each legislative day. Provided, such subsistence allowance must be paid for each calendar day occurring within the same legislative day to members of that body in session on each calendar day.