S.C. Code Ann. § 39-73-350
(A) Sections 39-73-20, 39-73-50, and 39-73-60 apply to persons who:
(1) sell or offer to sell when an offer to:
(2) buy or offer to buy when an offer to:
(B) For the purpose of this section, an offer to sell or buy is made in this State, whether or not either party is then present in this State, when the offer:
(C) For the purpose of this section, an offer to buy or sell is accepted in this State when acceptance:
(D) An offer to sell or to buy is not made in this State when one or both of the following exist: