Versions of Massachusetts General Laws ch. 112 sec. 41A - Patent and proprietary medicines; non-controlled substances; exemption from regulation on LawServer 2023 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2022 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2020 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2019 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2017 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2016 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2015 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2014 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2013 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation 2009 Massachusetts General Laws ch. 112 sec. 41A – Patent and proprietary medicines; non-controlled substances; exemption from regulation