Mich. Comp. Laws § 119.11: Charter or amendment; publication; independent propositions, authorizing vote.

Sec. 11.

Every district charter or amendment thereto shall be published as the commission or legislative body respectively may prescribe. There may be submitted with any charter or amendment independent sections or propositions and such of them as receive a 3/5 vote of the electors of each city, village or township voting thereon shall become a part of such charter or shall prevail as amendments or propositions.