Miss. Code Ann. § 37-33-213

The department, through the office, shall cooperate, under agreements with the federal government, in carrying out the purposes of any federal statutes pertaining to special disability programs, and may adopt such methods of administration as are found by the federal government to be necessary for the proper and efficient operation of those agreements or plans for special disability programs and comply with such conditions as may be necessary to secure the full benefits of those federal statutes and appropriations, administer any legislation under federal statutes and appropriations that is enacted by the State of Mississippi, direct the disbursement and administer the use of all funds provided by the federal government or this state for the persons of this state, and do all things necessary to ensure the provision of services to the person served by the special disability programs.