(1) The charter commission shall complete its organization within 20 days after the date of its first meeting. Its organization shall consist of seating its members, selecting its officers, and establishing its rules of procedure. A majority of the members elect of the charter commission constitutes a quorum to transact business, but a smaller number may adjourn a meeting of the charter commission. The business which the charter commission may perform shall be conducted at a public meeting of the charter commission held in compliance with Act No. 267 of the Public Acts of 1976, as amended, being section 15.261 to 15.275 of the Michigan Compiled Laws. Public notice of the time, date, and place of the meeting shall be given in the manner required by Act No. 267 of the Public Acts of 1976, as amended.

    (2) A record shall be kept of all meetings of the charter commission and its subcommittees. The charter commission shall keep a journal of its proceedings. The record, the journal, and any other writing prepared, owned, used, in the possession of, or retained by the charter commission in the performance of an official function shall be made available to the public in compliance with Act No. 442 of the Public Acts of 1976, as amended, being section 15.231 to 15.246 of the Michigan Compiled Laws.

    (3) Upon approval of the election of a charter commission by the electors and until the procedures described in section 16 to 19 have been exhausted, the county board of commissioners shall not take any action which is designed to restructure or reorganize the county government which would have the effect of diminishing the mandate of the charter commission.

    (4) A charter commission elected pursuant to this act shall not remain in existence for more than 2 years after the date the charter commission is elected.

    (5) The question of charter adoption and the question of nomination or election of an elected county executive shall not appear on the same ballot.