2024 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2023 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2022 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2020 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2019 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2017 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2016 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2015 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2014 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2013 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required

2009 Michigan Laws 38.1360 – Purchase of service credit; 2 years service credit required