Miss. Code Ann. § 27-3-47

No county, municipality, drainage district, levee board, or other administrative body, shall be chargeable with any fees or expenses on account of any investigation, demand or suit made or instituted by the Commissioner of Revenue; nor shall any fees or commissions be deducted or retained from any funds collected for or belonging to the state, any county, municipality, drainage district, levee district or other political subdivision, from any state or any other subdivision or department thereof. Nothing in this section shall be construed, however, to prohibit the Commissioner of Revenue from expending funds appropriated for the support of the Department of Revenue in administering the provisions hereof, and in making investigations and demands and bringing and maintaining suits and other actions hereunder.