Miss. Code Ann. § 43-13-309

The State Department of Public Welfare shall obtain an appropriation of state funds from the State Legislature in carrying out its medical support responsibilities under this article and shall organize its programs and budgets in such a manner as to secure maximum federal funding directly or through the Division of Medicaid under Title XIX of the Federal Social Security Act, as amended. If Title XIX federal funds are secured through the Division of Medicaid, such funds shall not be considered a part of the budget of the Division of Medicaid in providing medical assistance under the Mississippi Medical Assistance Act.