Versions of Massachusetts General Laws ch. 233 sec. 20O - Crisis intervention services for emergency service provider; confidentiality of information on LawServer 2023 Massachusetts General Laws ch. 233 sec. 20O – Crisis intervention services for emergency service provider; confidentiality of information 2022 Massachusetts General Laws ch. 233 sec. 20O – Crisis intervention services for emergency service provider; confidentiality of information 2020 Massachusetts General Laws ch. 233 sec. 20O – Crisis intervention services for emergency service provider; confidentiality of information 2019 Massachusetts General Laws ch. 233 sec. 20O – Crisis intervention services for emergency service provider; confidentiality of information