Miss. Code Ann. § 43-1-11

The boards of supervisors of the various counties of this state are hereby authorized and empowered, in their discretion, to expend and appropriate such sums as they deem necessary out of any available county funds for the purpose of providing office space for the local county department of public welfare. This includes, but is not limited to, adequate office space for the efficient conduct of business, as well as providing for payment of electricity, water, gas, maintenance and repair of the building, and janitorial services and supplies.