3.__Municipal service district officers.__"Municipal service district officers" means the legislative body of the government of a municipal service district provided for in its charter in accordance with section 2112, subsection 2 to which participating municipalities have delegated their municipal authority.

4.__Participating municipality.__"Participating municipality" means a municipality that has joined, has agreed to join or has entered into a process for the purpose of joining a municipal service district.

5.__School board of directors.__"School board of directors" means the board of directors of a school management unit formed and elected pursuant to a municipal service district charter as provided for in section 2112, subsection 2.

6.__School management unit.__"School management unit" means the school management unit established by a municipal service district in accordance with its charter as provided for in section 2112, subsection 2.

7.__State board.__"State board" means the State Board of Education.

§2112.__Adoption of municipal service district charter

1.__Charter commission.__Any 5 or more municipalities that together meet the definition of a municipal service district may enter into an interlocal agreement to establish a joint charter commission for the purpose of proposing a charter for a proposed municipal service district.__The agreement must provide that the charter commission consist of one representative from each participating municipality, appointed by the legislative body of the municipality, plus 3 representatives at-large who reside within the proposed municipal service district and who are elected by the qualified voters within the proposed municipal service district.__A person seeking election as an at-large member of the charter commission shall file with the clerk of that person's participating municipality a petition bearing the signatures of 25 qualified voters within the proposed municipal service district 90 days prior to the election date.__The clerks of each participating municipality shall cooperate in the validation of signatures.__Election of at-large members must be held within 90 days of the effective date of the interlocal agreement.__The election must be held by all participating municipalities on the same day. The names of the candidates must