S.C. Code Ann. § 62-7-106
Every such religious, educational, or charitable trust created by any person domiciled in another state, which shall be valid under the laws of the state of the domicile of such creator or donor, shall be held in all respects valid under the laws of this State, even though one or more of the trustees named in the instrument creating the trust shall be domiciled in another state or one or more of the beneficiaries named in the trust shall reside or be located in a foreign state. This section shall apply to all trusts heretofore or hereafter created in which one or more of the beneficiaries or objects of such trust shall reside or be located in this State.