Versions of See prior versions of a law on LawServer 2024 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2023 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2022 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2020 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2019 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2017 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2016 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2015 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2014 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2013 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption 2009 Michigan Laws 45.551 – Optional unified form of county government; authorization; effect of adoption