Versions of See prior versions of a law on LawServer 2024 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2023 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2022 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2020 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2019 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2017 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2016 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2015 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2014 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2013 Massachusetts General Laws ch. 251 sec. 1 – Validity of agreements; non-applicability to collective bargaining agreements 2009 Massachusetts General Laws ch. 251 sec. 1 – Validity of arbitration agreements; non-applicability to collective bargaining agreements