Governor Gavin Newsom has signed Assembly Bill 564 into law, reducing California’s cannabis excise tax back to 15% effective October 1. The measure, sponsored by Assemblymember Matt Haney (D–San Francisco), locks the state’s cannabis excise tax at 15% through 2028, rolling back a recent increase to 19%. “We’re rolling back this cannabis tax hike so the legal market can continue to grow, consumers can access safe products, and our local communities see the benefits,” he said. California’s legal marijuana market remains the largest in the world, supporting jobs and small businesses while generating revenue for education, public health, and environmental programs. The state has also stepped up enforcement against illegal operators, directing cannabis tax revenue toward both civil and criminal actions.