S.C. Code Ann. § 38-12-450
(A) An insurer may acquire investments in investment pools that invest only in:
(1) obligations that are rated 1 or 2 by the SVO or have an equivalent of an SVO 1 or 2 rating, or in the absence of a 1 or 2 rating or equivalent rating the issuer has outstanding obligations with a SVO 1 or 2 or an equivalent rating by a nationally recognized statistical rating organization recognized by the SVO and have a remaining maturity of:
(B) For an investment in an investment pool to be qualified pursuant to this chapter, the investment pool may not:
(C) The limitations of Section 38-12-430(A) do not apply to an investment by an insurer in an investment pool, except that an insurer may not acquire an investment in an investment pool pursuant to this section if as a result of and after giving effect to the investment the aggregate amount of investments then held by the insurer pursuant to this section:
(D) For an investment in an investment pool to be qualified pursuant to this chapter, the manager of the investment pool must:
(3) compile and maintain, or cause to be compiled and maintained, detailed accounting records including:
(4) maintain the assets of the investment pool in one or more accounts, in the name of or on behalf of the investment pool either under a custody agreement or a trust agreement with a qualified bank or at the principal office of the pool manager. The applicable agreement must:
(E) The pooling agreement for each investment pool must be in writing and must provide that:
(3) in proportion to the aggregate amount of the interest of each participant in the investment pool:
(5) withdrawals may be made on demand without penalty or other assessment on any business day, but settlement of funds must occur within a reasonable and customary period after the date on which the withdrawal is made, not to exceed ten business days. Distributions pursuant to this item must be calculated in each case net of all fees and expenses of the investment pool then applicable. The pooling agreement must provide that the pool manager shall distribute to a participant, at the discretion of the pool manager: