Michigan constitution
Article XI
Section 6

By ordinance or resolution of its governing body which shall not take effect until
approved by a majority of the electors voting thereon, unless otherwise provided by charter,
each county, township, city, village, school district and other governmental unit or authority
may establish, modify or discontinue a merit system for its employees other than teachers
under contract or tenure. The state civil service commission may on request furnish technical
services to any such unit on a reimbursable basis.