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Regulations, Advisories & Guidance

MA General Law

MGL Chapter 6E: Massachusetts Peace Officer Standards and Training Commission

555 CMR 1.00: Procedural Rules (PDF) last revised Oct. 11, 2024
555 CMR 2.00: Construction, Application of Rules, Notice (PDF) as of Sept. 29, 2023
555 CMR 6.00: Use of Force by Law Enforcement Officers (PDF) as of Nov. 25, 2022
555 CMR 7.00: Recertification (PDF) as of Sept. 30, 2022
555 CMR 8.00: Databases and Dissemination of Information (PDF) as of Sept. 1, 2023
555 CMR 9.00: Initial Certification of Officers; and Renewed Certification of Independently Applying Officers (PDF) as of Sept. 29, 2023
555 CMR 10.00: Specialized Certification for School Resource Officers (PDF) as of May 12, 2023
555 CMR 11.00: Regulatory Action and Advisory Opinions (PDF) as of Sept. 1, 2023
555 CMR 12.00: Maintenance, Reporting and Audits of Law Enforcement Records and Information (PDF) as of Dec. 6, 2024

Guidance to Law Enforcement Agencies and Prosecuting Agencies Regarding 555 CMR 1.00 and 6.00 (PDF) as of Sept. 14, 2023
Guidance for Constables and Other Law Enforcement Personnel Regarding 555 CMR 9.00 (PDF) as of Feb. 11, 2025
Practical Guidance for Massachusetts Constables (PDF) as of Dec. 18, 2025
DOs and DON’Ts for Constables (PDF) as of Dec. 18, 2025
Construction of Scope of MGL Chapter 6E (PDF) as of April 4, 2022
Strategies for Youth Recommendations for POST De-Escalation Guidance (PDF) as of June 14, 2021
Requirements and Plan for Recertification of Certain Law Enforcement Officers (PDF) as of March 16, 2022
Policy on Removal of Certain Information from the POST Commission Database (PDF) as of Nov. 16, 2023
Guidance on Developmentally Appropriate De-escalation and Disengagement Tactics, Techniques and Procedures and Other Alternatives to the Use of Force for Minor Children (PDF) as of June 30, 2021
Guidance M.G.L. Chapter 123, Section 12(a) and 12(e) and the Use of Force (PDF) as of March 8, 2023