Versions of See prior versions of a law on LawServer 2024 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2023 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2022 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2020 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2019 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2017 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2016 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2015 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2014 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2013 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems; penalty 2009 Massachusetts General Laws ch. 21A sec. 13A – System inspectors of on-site sewage disposal systems.