2024 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2023 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2022 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2017 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2016 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2015 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2014 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2013 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program

2009 Massachusetts General Laws ch. 140 sec. 131O – Colonel of state police; statewide firearms surrender program