The Laws

Enabling Legislation

Chapter 369 of the Acts of 2012, An Act for the Humanitarian Medical Use of Marijuana (repealed by Section 47 of Chapter 55 of the Acts of 2017)
Chapter 334 of the Acts of 2016, The Regulation and Taxation of Marijuana Act
Chapter 55 of the Acts of 2017,  An Act to Ensure Safe Access to Marijuana (which amended Chapter 334 of the Acts of 2016)

Statutes

M.G.L. c. 94G, Regulation of the Use and Distribution of Marijuana Not Medically Prescribed
M.G.L. c. 94I, Medical Use of Marijuana

Regulations

935 CMR 500.000: Adult Use of Marijuana
935 CMR 501.000: Medical Use of Marijuana (this replaces former DPH regulations, 105 CMR 725.000: Implementation of an Act for the Humanitarian Medical Use of Marijuana)
935 CMR 502.000: Colocated Adult-Use and Medical-Use Marijuana Operations

These regulations are unofficial and for informational purposes only. The official versions are the printed version which can be obtained for purchase at the State Bookstore at: www.sec.state.ma.us/spr/sprcat/catidx.htm.