2024 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2023 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2022 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2020 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2019 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2017 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2016 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2015 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2014 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2013 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer

2009 Michigan Laws 207.1082 – Licensure as tank wagon operator-importer