what are the marijuana laws in massachusetts
Mass. voters say âyesâ to legalizing marijuana In 2008, Massachusetts voters approved a ballot measure that replaced criminal penalties for the possession of one ounce or less of weed with a system of civil penalties. That law is usually described as decriminalization. In 2012, Massachusetts voters approved an initiative making marijuana legal for medical use. Massachusetts just passed marijuana legalization. What happens next? The law, passed as a ballot measure known as Question 4, would allow people 21 years and older to possess up to 1 ounce of marijuana outside their residence and possess up to 10 ounces inside the residence. That goes into effect on Dec. 15, 2016. These 13 Massachusetts towns really wanted weed legalized. Here's what happens next, with a major caveat. There are deadlines and other provisions within the law. But the Massachusetts Legislature and Gov. Charlie Baker, one of the top opponents of the measure, hold the power to rewrite the law. Massachusetts Marijuana Laws Massachusetts Marijuana Laws. Marijuana possession, sale, and manufacture are regulated by both state and federal law. In Massachusetts, marijuana is classified as a class D substance, and until recently was completely illegal. (Mass.