S.C. Code § 38-101-30
An insurer may issue an insurance policy, contract, or endorsement providing commercial lines or personal lines coverage for the named peril of flood or excess coverage for the named peril of flood on any structure and on the contents of commercial or personal property contained therein, or to insure against indirect losses from the named peril of flood subject to the requirements of this chapter. Any reference to policy in this chapter also includes endorsements that provide private flood insurance coverage.
S.C. Code § 38-101-30
2020 Act No. 166, Section 3, provides as follows:
"SECTION 3. This act becomes effective sixty days following approval by the Governor. Insurers that are writing private flood insurance at the time of enactment have an additional one hundred twenty days to come into compliance with the requirements of this act."