2024 Michigan Laws 339.5946 – Operation of boiler; valid inspection certificate required; pressure restrictions; violation; penalties

2023 Michigan Laws 339.5946 – Operation of boiler; valid inspection certificate required; pressure restrictions; violation; penalties

2022 Michigan Laws 339.5946 – Operation of boiler; valid inspection certificate required; pressure restrictions; violation; penalties

2020 Michigan Laws 339.5946 – Operation of boiler; valid inspection certificate required; pressure restrictions; violation; penalties