45 C.F.R. § 150.201
State enforcement
Except as provided in subpart C of this part, each State enforces PHS Act requirements with respect to health insurance issuers that issue, sell, renew, or offer health insurance coverage in the State.
Except as provided in subpart C of this part, each State enforces PHS Act requirements with respect to health insurance issuers that issue, sell, renew, or offer health insurance coverage in the State.