S.C. Code Ann. § 16-17-680
(A) For purposes of this section:
(B)
(2) If a secondary metals recycler intends to purchase nonferrous metals at a fixed site or fixed sites, the secondary metals recycler shall obtain a permit from the sheriff of the county in which each of the secondary metals recycler's fixed sites are located. The sheriff may issue the permit to the secondary metals recycler, if the secondary metals recycler:
(3) If a secondary metals recycler intends to purchase nonferrous metals at a location other than a fixed site, the secondary metals recycler shall obtain a permit from the sheriff of each county in which the secondary metals recycler intends to purchase nonferrous metals. The sheriff may issue the permit to the secondary metals recycler if the secondary metals recycler:
(C)
(2) If a person is a resident of South Carolina or an entity is located in South Carolina, the person or entity shall obtain a permit from the sheriff of the county in which the person resides or has a secondary residence or in which the entity is located or has a secondary business. The sheriff may issue the permit to the person or entity if the:
(3) If a person is not a resident of South Carolina or an entity is not located in South Carolina, the person or entity shall obtain a permit from any sheriff of any county. The sheriff may issue the permit to the person or entity if the:
(10)
(D)