S.C. Code Ann. § 44-6-720
(B) The trust established for the applicant must meet the following criteria:
(4) the entire income and corpus of the trust, or as much as may be distributed each month without violating federal requirements for federal financial participation, must be distributed each month for expenses related to the applicant's nursing home care that are approved under the Medicaid program, except that:
(b) deductions may be distributed from the trust to the same extent deductions from the income of a nursing home resident who is not a trust beneficiary are allowed under the Medicaid program, which shall include: