MA H1900

Prohibits juvenile adjudications from being used as prior convictions to trigger mandatory minimum sentences or enhanced penalties for adults or juveniles under Massachusetts firearms laws (Chapter 269, Sections 10 and 10G)

Defines juvenile adjudication broadly to include delinquent child findings, youthful offender adjudications, juvenile adjudications from other states, and out-of-state adult convictions that would qualify as juvenile matters in Massachusetts

Removes mandatory commitment period requirements from Chapter 119 (juvenile law) by striking relevant provisions in Sections 52, 54, and 58

Redefines "crime of violence" for sentencing purposes to mean crimes punishable by more than 1 year imprisonment involving physical force, deadly weapons, burglary, extortion, arson, kidnapping, or explosives

Requires retroactive resentencing for anyone currently incarcerated, on probation, or on parole whose sentence was enhanced based on a juvenile adjudication, with no increase in sentence length permitted upon resentencing