2023 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2022 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2020 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2019 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2017 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2016 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2015 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2014 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2013 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts Beautiful Month

2009 Massachusetts General Laws ch. 6 sec. 15O – Keep Massachusetts beautiful month