Table 1.
State and Federal T21 Law Status at Waves 1–3 (Fall 2018–2020)
| Wave 1 | Wave 2 | Wave 3 | ||
|---|---|---|---|---|
| Survey dates | September–December 2018 | September–December 2019 | September–December 2020 | |
| State T21 | ||||
| California | Yes | Yes | Yes | |
| Enacted 4 May, 2016 | ||||
| Effective 9 June, 2016 | ||||
| Massachusetts | No | Yes | Yes | |
| Enacted 27, July 2018 | ||||
| Effective 31 December, 2018 | ||||
| Washington | No | No | Yes | |
| Enacted 5 April, 2019 | ||||
| Effective 1 January, 2020 | ||||
| Minnesota | No | No | Yes | |
| Enacted 16 May, 2020 | ||||
| Effective 1 August, 2021 | ||||
| Oklahoma | No | No | Yes | |
| Enacted 19 May, 2020 | ||||
| Effective 19 May, 2020 | ||||
| Georgia | No | No | No | |
| Federal T21 | Effective 20 December, 2020 | |||
| Wave 1–2: Before implementation | Waves 2–3: After implementation | |||