Miss. Code § 21-5-19
All laws governing cities heretofore operating under another form of government not inconsistent with the provisions of this chapter respecting the commission form of government shall apply to and govern such cities respectively when they shall come under the said commission form. All bylaws, ordinances, and resolutions lawfully passed and in force in every such city under its former organization, shall remain in force until altered or repealed by the council elected under the provisions of this chapter. The territorial limits of every such city shall remain the same as under its former organization, and all rights and property of every description, which were vested in every such city, under its former organization, shall vest in the same under the organization contemplated by the commission form of government. No right or liability, either in favor of or against such city, and no suit or prosecution of any kind shall be affected by such change, unless otherwise provided.
Miss. Code § 21-5-19