S.C. Code Ann. § 62-7-501: Rights of beneficiary's creditor or assignee.

(a) Except as provided in subsection (b), the court may authorize a creditor or assignee of the beneficiary to reach the beneficiary's interest by attachment of present or future distributions to or for the benefit of the beneficiary or other means. The court may limit the award to such relief as is appropriate under the circumstances.

(b) This section shall not apply and a trustee shall have no liability to any creditor of a beneficiary for any distributions made to or for the benefit of the beneficiary to the extent a beneficiary's interest:

(1) is protected by a spendthrift provision, or

(2) is a discretionary trust interest as referred to in S.C. Code Section 62-7-504.