Mississippi Code Title 43. Public Welfare § 43-39-29

(1) The displacing agency is authorized, if the program or project is in danger of being delayed, to bring a civil action seeking ejectment as relief in justice court, chancery court, circuit or county court, or special court of eminent domain where the agency is legally entitled to the possession of the property sued for and demanded.

(2) No person previously lawfully occupying real property shall be required to move from a dwelling (assuming a replacement dwelling will be available) or move his business or farm without at least ninety (90) days advance written notice, after initiation of negotiations for the parcel, followed by a final written thirty-day notice to vacate after the displacing agency is legally entitled to possession.