If an accident and health insurance policy contains provisions which reserve the right to the insurer to increase the premium, the policy shall also provide that at least thirty-one days' prior written notice of a rate increase must be given to the insured before the rate increase becomes effective.
Advance notice required for increase in premium
S.C. Code Ann. § 38-71-620, under Title 38, Chapter 71.
S.C. Code Ann. § 38-71-620