On November 8, 2016 California voters approved Prop. 64, also known as the Adult Use of Marijuana Act (AUMA), by a margin of 57-43%. Prop 64 makes the following changes to California law:

In 2015, the Legislature passed and the Governor signed into law three bills (Assembly Bills 243 and 266, and Senate Bill 643) that create a licensing and regulatory framework for medical cannabis. It is anticipated that the regulations will be developed by January 1, 2018.