S.C. Code Ann. § 27-25-90

The agent or agents so appointed shall have equal power and authority with the assignee or assignees to sell and dispose of the property assigned and distribute and pay the proceeds, according to the intent and provisions of the deed of assignment. All sales, hypothecations or other transfers of property, whether real or personal, shall be void and null unless made with the consent and concurrence of the assignee or assignees and agent or agents, or a majority of them, and should the assignee or assignees and agent or agents be equally divided on any question such question shall be decided by an umpire appointed as provided in SECTION 27-25-110.