S.C. Code Ann. § 38-13-420
(B) Subject to the criteria outlined in subsection (A) of this section, a report must be filed without regard to which party has initiated the nonrenewal, cancellation, or revision of ceded reinsurance whenever one or more of the following conditions exist:
(3) collateral requirements previously established for unauthorized reinsurers have been reduced; e.g., the requirement to collateralize incurred but not reported (IBNR) claim reserves has been waived with respect to one or more unauthorized reinsurers newly participating in an existing cession.
Subject to the materiality criteria outlined in subsection (A) of this section, for purposes of items (2) and (3), a report must be filed if the result of the revision affects more than ten percent of the cession.
(C)
(1) The following information must be disclosed in any report of a material nonrenewal, cancellation, or revision of ceded reinsurance agreements: