The legislation now awaits action from Democratic Gov. David Ige.
The measure reduces penalties involving the possession of up to three grams of marijuana from a criminal misdemeanor, punishable by up to 30 days in jail, a $1,000 fine and a criminal record, to a non-criminal violation – punishable by a $130 fine.
It also provides a mechanism for the courts to grant an expungement order for those previously convicted of a marijuana possession offense involving no more than three grams.
The measure also establishes a task force to review cannabis policy and to make recommendations to the legislature by 2021.
If signed, the new law takes effect on January 11, 2020.