Publication of information relating to the use of firearms; information included; promulgation of rules and regulations
M.G.L. c. 140, § 121E
in effectc. 140, § 121E. Publication of information relating to the use of firearms; information included; promulgation of rules and regulations
Section 121E. (a) The department of criminal justice information services, in collaboration with the executive office of public safety and security and the executive office of technology services and security, shall collect, assemble and publish data and other information relating to the use of firearms in the commonwealth.
(b) State and local agencies, including, but not limited to, the department of the state police, licensing authorities and other criminal justice agencies, as defined in section 167 of chapter 6, shall provide timely access to information requested by the department of criminal justice information services pursuant to this section.
(c) The department of criminal justice information services shall make non-personally identifying data accessible to the general public through the publication of an online dashboard updated at least quarterly. This dashboard shall include, but shall not be limited to:
(1) The following aggregate data on the issuance of firearm licenses and cards pursuant to sections 129B, 131 and 131F:
(i) the age, gender, race, ethnicity and municipality of applicants for a license to carry;
(ii) the age, gender, race, ethnicity and municipality of individuals whose applications for a license to carry were denied;
(iii) the age, gender, race, ethnicity and municipality of applicants for a firearm identification card; and
(iv) the age, gender, race, ethnicity and municipality of individuals whose applications for a firearm identification card were denied.
(2) The following aggregate data on firearm-involved violence, including, but not limited to, firearm-involved crimes and attempted or completed suicides using firearms:
(i) the type of firearm-involved violence, for example, attempted or completed suicide, homicide, accidental shooting, or other firearm-involved crime;
(ii) the age, gender, race and ethnicity of the firearm user;
(iii) the age, gender, race and ethnicity of any victims of firearm-involved violence;
(iv) the geographic location of the firearm-involved violence;
(v) the status of the license of the firearm user;
(vi) whether the firearm user, at the time of the incident, would be considered a prohibited person as described in section 121F;
(vii) whether the firearm user was arrested as a result of the incident;
(viii) the disposition of any prosecution;
(ix) whether the firearm was used in connection with known gang activity, domestic dispute or police interaction;
(x) the make, model, manufacturer and state or country of origin of the involved firearm;
(xi) the origin, source and secondary market of the involved firearm, including whether it was purchased from a licensed dealer or private seller;
(xii) whether the involved firearm was lost, stolen or otherwise illegally obtained; and
(xiii) whether the involved firearm was untraceable or a privately made firearm, including the manner in which it was produced.
(d) The department of criminal justice information services, in coordination with the executive office of public safety and security and the executive office of technology services and security, shall promulgate rules and regulations to ensure prompt collection, exchange, and publication of the firearm licensing information under this section.
Source: Massachusetts General Court (malegislature.gov)URL: https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXX/Chapter140/Section121EFetched: 10/20/2026