Mass. Gen. Laws ch. 233, § 20O
(a) As used in this section, the following words shall, unless the context clearly requires otherwise, have the following meanings:-
''Certified emergency service provider'', an emergency service provider certified by the Massachusetts Peer Support Network or International Critical Incident Stress Foundation, Inc.
''Crisis intervention'', immediate short-term psychological care provided by a certified emergency service provider providing critical incident stress management to an emergency service provider after said emergency service provider's response to a critical incident.
''Crisis intervention services'', consultation, counseling, debriefing, defusing, intervention services, prevention or referral.
''Critical incident'', an event resulting in psychological stress or trauma to an emergency service provider as a result of said emergency service provider's response to the incident.
''Critical incident stress management'', a program designed to assist an emergency service provider in coping with the psychological stress or trauma resulting from said emergency service providers response to a critical incident.
''Emergency service provider'', an active or retired law enforcement officer, police officer, state police trooper, sheriff or deputy sheriffs, firefighter, or emergency medical personnel.
''Secretary'', the secretary of the executive office of public safety and homeland security.
(c) Subsection (b) shall not apply to information provided by an emergency service provider to a certified emergency service provider or licensed mental health professional as part of crisis intervention services provided by the certified emergency service provider or licensed mental health professional to the emergency service provider if:
(d) An emergency service provider who provides crisis intervention services to emergency service providers pursuant to this section shall:
(ii) provide documentation of such certification to their employer; and (iii) annually provide their employer with proof of such certification.
An entity employing a certified emergency service provider shall maintain the documentation provided by the employee under this subsection of the employee's certification by the Massachusetts Peer Support Network or the International Critical Incident Stress Foundation, Inc. Such documentation shall be made available at the request of the secretary.