- Oregon
- Washington
- Montana
- Vermont
- California
- Colorado
- Washington D.C.
- Hawai‘i
- New Jersey
- Maine
- New Mexico
State | Authorization Date | Method |
---|
Oregon | 11/8/1994 | Ballot |
Washington | 11/4/2008 | Ballot |
Montana | 12/31/2009 | Courts |
Vermont | 5/20/2013 | Legislature |
California | 10/5/2015 | Legislature | 6/9/2016 |
Colorado | 11/8/2016 | Ballot |
Washington, D.C. | 12/20/2016 | Legislature |
Hawai‘i | 4/15/2018 | Legislature |
New Jersey | 4/12/2019 | Legislature |
Maine | 6/12/2019 | Legislature | 9/19/2019 |
New Mexico | 4/8/2021 | Legislature |
State | Effective Date |
---|
Oregon | 10/27/1997 |
Washington | 3/5/2009 |
Montana | 12/31/2009 |
Vermont | 5/20/2013 |
California | 6/9/2016 |
Colorado | 12/16/2016 |
Washington, D.C. | 2/18/2017 |
Hawai‘i | 1/1/2019 |
New Jersey | 8/1/2019 |
Maine | 9/19/2019 |
New Mexico | 6/20/2021 |