Versions of Massachusetts General Laws ch. 40 sec. 21A - Powers of cities and towns; regulation of working conditions of employees on LawServer 2023 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2022 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2020 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2019 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2017 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2016 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2015 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2014 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2013 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees 2009 Massachusetts General Laws ch. 40 sec. 21A – Powers of cities and towns; regulation of working conditions of employees