2024 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2023 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2022 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2020 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2019 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2017 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2016 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2015 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2014 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2013 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability
2009 Michigan Laws 125.1521 – Petition for approval of materials, products and methods; testing and evaluation; certificate of acceptability