Mississippi Code Title 9. Courts § 9-9-3

Any two (2) or more counties in the discretion of their respective boards of supervisors may contract and agree between themselves to support and maintain one (1) county court for such counties. If such agreement be made then the expenses of the operation of said court shall be prorated among such two (2) or more counties and the pro rata part of each county shall be paid from the general funds of each county, from any special tax which may be levied for the support of such court, or any funds made available to the county from the Federal Law Enforcement Assistance Administration for this purpose.