 In July 2015, Lieutenant Governor Gavin Newsom, the American Civil Liberties Union, and Stanford University faculty released the final report of the Blue Ribbon Commission on Marijuana Policy, which recommended regulations for recreational marijuana use in California.On May 4, 2016, the group sponsoring the initiative announced that it had collected over 600,000 signatures for the proposal; enough to get it on the 2016 ballot.On June 28, the measure was certified by the Secretary of State for the November ballot.