Versions of See prior versions of a law on LawServer 2024 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2023 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2022 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2020 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2019 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2017 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2016 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL–CIO–CLC convention 2015 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL-CIO-CLC convention 2014 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL-CIO-CLC convention 2013 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL-CIO-CLC convention 2009 Massachusetts General Laws ch. 48 sec. 57B – Fire fighters; attendance of AFL-CIO-CLC convention