The resolution may provide that commissioners will be elected by the electors of the local governmental unit or units which they represent or that commissioners will be appointed by the governing body or bodies of the local governmental units which are members of the district. The resolution shall also prescribe the term of office, which shall not exceed five (5) years, and shall establish the length of initial terms, if staggered terms are to be used. Vacancies and unexpired terms shall be filled by the governing body of each local governmental unit.
Miss. Code § 51-8-21