MS HB1203

Prohibits "all-products clauses" in healthcare contracts that force providers to participate in all of an insurer's networks or health plans as a condition of participating in any one plan

Bans "most favored nation clauses" that prevent healthcare providers from offering lower rates to other insurers or require disclosure of reimbursement rates with competitors

Requires contracting entities to provide 90 days written notice before implementing material amendments to healthcare contracts, with amendments requiring provider agreement unless mandated by law

Mandates that healthcare contracts must open for renegotiation at least once every three years without requiring contract termination

Requires contracting entities to contract with any qualified healthcare provider unless the provider has a history of malpractice claims, licensure violations, or has been barred from federal/state healthcare programs; Mississippi Insurance Department will enforce the act with rules finalized by December 31, 2021