Versions of Massachusetts General Laws ch. 146 sec. 71 - Unlawful operation of boilers; certificate of inspection; identification number; inspection fees on LawServer 2023 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2022 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2020 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2019 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2017 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2016 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2015 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2014 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2013 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees 2009 Massachusetts General Laws ch. 146 sec. 71 – Unlawful operation of boilers; certificate of inspection; identification number; inspection fees