S.C. Code Ann. § 38-44-20
As used in this chapter:
(3)
(a) "Managing general agent", MGA, means a person who:
(iii) with or without the authority, either separately or together with affiliates, produces, directly or indirectly, and underwrites an amount of gross direct written premium equal to or more than five percent of the policyholder surplus as reported in the last annual statement of the insurer in one quarter or year with one or both of the following activities related to the business produced:
a. adjusts or pays claims in excess of five thousand dollars;
b. negotiates ceding reinsurance contracts on behalf of the insurer.
(b) Notwithstanding subitem (a), the following are not considered as MGA's for the purposes of this chapter: