Versions of Massachusetts General Laws ch. 128 sec. 121 - Rulemaking authority on LawServer 2023 Massachusetts General Laws ch. 128 sec. 121 – Rulemaking authority 2022 Massachusetts General Laws ch. 128 sec. 121 – Rulemaking authority 2020 Massachusetts General Laws ch. 128 sec. 121 – Rulemaking authority 2019 Massachusetts General Laws ch. 128 sec. 121 – Rulemaking authority