(1) A copy of the new form of government or change in a plan of government that is proposed by petition and that is ratified by the voters and any apportionment plan or consolidation or merger plan must be certified by the presiding officer of the governing body and filed with the department of administration, the county records administrator, and the municipal records administrator if it is a municipal plan.
(2) The approved form of government or change in a plan of government filed with the department of administration is the official plan and is a public record open to inspection by the public and judicially noticeable by all courts.