2024 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2023 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2022 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2020 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2019 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2017 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2016 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2015 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2014 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2013 Massachusetts General Laws ch. 160 sec. 132 – Safety switches

2009 Massachusetts General Laws ch. 160 sec. 132 – Safety switches