S.C. Code Ann. § 25-1-440
(a) The Governor, when an emergency has been declared, as the elected Chief Executive of the State, is responsible for the safety, security, and welfare of the State and is empowered with the following additional authority to adequately discharge this responsibility:
(8) within the limits of any applicable constitutional requirements and when a major disaster or emergency has been declared by the President to exist in this State:
(c)
(d)