2024 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2023 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2022 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2020 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2019 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2017 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2016 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2015 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2014 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2013 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police

2009 Michigan Laws 28.21 – Transfer of public service commission highway enforcement functions to department of state police