Miss. Code Ann. § 47-5-419

The sheriff may designate any officer or employee of the county to do and perform for the county any act or function Sections 47-5-401 through 47-5-421 empower the county to do or perform; provided, however, no elected official of the county shall be designated to do or perform any act or function for the county unless such elected officer is agreeable to being so designated. The Commissioner of Corrections may designate any employee of the State Department of Corrections to do and perform for the department any act or function Sections 47-5-401 through 47-5-421 empower the department to do or perform.