Massachusetts (MA): police and working animal protection laws
Body armor
none found.
Medical & insurance (including EMS treatment of injured K9s)
Nero's Law, Acts of 2022 ch. 23, M.G.L. c. 111C §§ 9A, 21. EMS shall treat a police dog hurt in the line of duty and take it by ambulance to a vet, unless that would hurt care for a person. The state sets protocols, and responders are immune. Sponsor Rep. Steven Xiarhos. Named for K9 Nero, wounded when Sgt. Sean Gannon was killed in 2018. Acts 2022 ch. 23; K9 MEDIC state law map, verified 18 Sep 2026
Retirement & service limits (age or service limits, handler adoption rights)
none found.
Post retirement care (retired K9 care funds)
Penalties for harming police animals (context)
M.G.L. c. 272 § 77A. Willfully injuring or interfering with a police dog or horse carries $100 to $500 and/or up to 2.5 years. Weaker than most states. malegislature.gov
Pending or failed bills
- Nero's Law (2022): enacted.
Sources
- https://malegislature.gov/Laws/SessionLaws/Acts/2022/Chapter23
- https://malegislature.gov/Laws/GeneralLaws/PartIV/TitleI/Chapter272/Section77A
- https://www.bostonmagazine.com/news/2026/04/14/dakotas-law-boston-marathon-dog-ptsd/
- Cross state reference: K9 MEDIC state law map, verified 18 Sep 2026
- Federal backdrop (not state law): 18 U.S.C. § 1368 makes it a crime to harm a federal police animal, up to 10 years if the animal is seriously hurt or killed (Animal Legal & Historical Center).