S.C. Code Ann. § 2-1-220

Notwithstanding any other provision of law or regulation, or any limitation or provision contained in the annual general appropriations act, each house of the General Assembly is exempt from any provision which requires the approval of the State Fiscal Accountability Authority, Revenue and Fiscal Affairs Office, or Executive Budget Office or any other executive branch agency for the expenditure, management, or transfer of any legislative branch appropriations.