Mississippi Code Title 43. Public Welfare § 43-13-123

(a) By contract with insurance companies licensed to do business in the State of Mississippi or with nonprofit hospital service corporations, medical or dental service corporations, authorized to do business in Mississippi to underwrite on an insured premium approach, such medical assistance benefits as may be available, and any carrier selected under the provisions of this article is expressly authorized and empowered to undertake the performance of the requirements of that contract.

(b) By contract with an insurance company licensed to do business in the State of Mississippi or with nonprofit hospital service, medical or dental service organizations, or other organizations including data processing companies, authorized to do business in Mississippi to act as fiscal agent.