2023 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2022 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2020 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2019 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2017 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2016 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2015 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2014 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval

2009 Massachusetts General Laws ch. 175 sec. 22A – Combination of hazards; approval