Note: Unit dormant outside Quebec from 2000 to 2018 (18 years). Reactivated below.
| Date | Operator | Action / Override Purpose | Rights Overridden | Status |
|---|---|---|---|---|
| May 2018 | Saskatchewan Moe (SP) |
School Choice Protection Act. Override of court ruling on Catholic school funding for non-Catholic students. | ss. 2, 7–15 | Not in force |
| Sep 2018 | Ontario Ford (PC) |
Efficient Local Government Act (Bill 31). Reduce Toronto city council from 47 to 25 wards. Threatened after adverse court ruling. Abandoned after stay granted. | ss. 2, 7–15 | Abandoned |
| Jun 2019 | Quebec Legault (CAQ) |
Bill 21 — Act Respecting the Laicity of the State. Ban religious symbols for public employees in authority. Pre-emptive invocation. No prior court ruling. | ss. 2, 7–15 | Renewed 2024 |
| 2019 | New Brunswick Higgs (PC) |
Bill 11 — Immunization Act. Eliminate non-medical vaccine exemptions for school students. Invoked pre-emptively. Never advanced past second reading. | ss. 2, 7–15 | Stalled |
| Jun 2021 | Ontario Ford (PC) |
Protecting Elections and Defending Democracy Act. Restrict third-party election advertising. Invoked after court struck down law. SCC struck down 2025 (s.3 not overridable). | ss. 2, 7–15 | Struck down |
| Jun 2022 | Quebec Legault (CAQ) |
Bill 96 — Act Respecting French. Sweeping language law reform. Clause applied to entire bill. Pre-emptive. No prior court ruling. | ss. 2, 7–15 | Active |
| Nov 2022 | Ontario Ford (PC) |
Keeping Students in Class Act (Bill 28). Impose collective agreement on 55,000 CUPE education workers. Ban strikes. Pre-emptive. Repealed 14 days later after mass backlash. | ss. 2, 7, 15 | Repealed |
| Oct 2023 | Saskatchewan Moe (SP) |
Parents’ Bill of Rights (Bill 137). Require parental consent for student pronoun/name changes under 16. Emergency session called. Override of court injunction. | ss. 2, 7–15 | Active |
| May 2024 | Quebec Legault (CAQ) |
Bill 21 renewal. Notwithstanding clause re-enacted for 5 more years (to 2029). Vote: 83–26. | ss. 2, 7–15 | Renewed |
| Oct 2025 | Alberta Smith (UCP) |
Back to School Act (Bill 2). Force 51,000 teachers back to work. Impose rejected contract. Override right to strike. Pre-emptive. Passed in single night session. | ss. 2, 7, 15 | Active |