| Jun 17, 2023 | I | Proposed | Regulations Amending the Formaldehyde Emissions from Composite Wood Products Regulations | — | Environment, Dept. of the, and Dept. of Health |
| May 31, 2024 | II | Regulation | Products Containing Mercury Regulations — Regulations Amending the | SOR/2024-109 | — |
| Jun 28, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-05-01 Amending the | SOR/2024-158 | — |
| Jun 28, 2024 | II | Regulation | Domestic Substances List — Order 2024-112-05-01 Amending the | SOR/2024-159 | — |
| Jun 29, 2024 | I | Proposed | Order Declaring that the Provisions of the Regulations Respecting Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in British Columbia, 2025 | — | Environment, Dept. of the |
| Jun 29, 2024 | I | Proposed | Regulations Respecting the Reduction in the Release of Methane (Waste Sector) | — | Environment, Dept. of the, and Dept. of Health |
| Jul 6, 2024 | I | Proposed | Order Declaring that the Provisions of the Regulations Respecting Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in Saskatchewan, 2025 | — | Environment, Dept. of the |
| Jul 6, 2024 | I | Proposed | Order Declaring that the Reduction of Carbon Dioxide Emissions from Coal-fired Generation of Electricity Regulations Do Not Apply in Saskatchewan, 2025 | — | Environment, Dept. of the |
| Jul 15, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-23-01 Amending the | SOR/2024-161 | — |
| Jul 24, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-06-01 Amending the | SOR/2024-163 | — |
| Jul 24, 2024 | II | Regulation | Domestic Substances List — Order 2024-112-06-01 Amending the | SOR/2024-164 | — |
| Sep 5, 2024 | II | Regulation | Domestic Substances List — Order 2024-66-07-01 Amending the | SOR/2024-173 | — |
| Sep 5, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-07-01 Amending the | SOR/2024-174 | — |
| Oct 15, 2024 | II | Regulation | Domestic Substances List — Order 2024-66-08-01 Amending the | SOR/2024-205 | — |
| Oct 15, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-08-01 Amending the | SOR/2024-206 | — |
| Nov 9, 2024 | I | Proposed | Oil and Gas Sector Greenhouse Gas Emissions Cap Regulations | — | Environment, Dept. of the, and Dept. of Health |
| Nov 29, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-22-01 Amending the | SOR/2024-235 | — |
| Dec 2, 2024 | II | Regulation | Domestic Substances List — Order 2024-87-09-01 Amending the | SOR/2024-245 | — |
| Dec 2, 2024 | II | Regulation | Domestic Substances List — Order 2024-112-09-01 Amending the | SOR/2024-246 | — |
| Dec 6, 2024 | II | Regulation | Domestic Substances List — Order 2025-66-01-01 Amending the | SOR/2024-250 | — |
| Dec 6, 2024 | II | Regulation | Domestic Substances List — Order 2025-87-01-01 Amending the | SOR/2024-251 | — |
| Dec 6, 2024 | II | Regulation | Domestic Substances List — Order 2025-112-01-01 Amending the | SOR/2024-252 | — |
| Dec 9, 2024 | II | Regulation | Formaldehyde Emissions from Composite Wood Products Regulations — Regulations Amending the | SOR/2024-256 | — |
| Dec 13, 2024 | II | Regulation | Clean Electricity Regulations | SOR/2024-263 | — |
| Dec 16, 2024 | II | Regulation | Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in Saskatchewan, 2025 — Order Declaring that the Regulations Respecting | SOR/2024-270 | — |
| Dec 16, 2024 | II | Regulation | Reduction of Carbon Dioxide Emissions from Coal-fired Generation of Electricity Regulations Do Not Apply in Saskatchewan, 2025 — Order Declaring that the | SOR/2024-269 | — |
| Dec 16, 2024 | II | Regulation | Toxic Substance to Part 2 of Schedule 1 to the Canadian Environmental Protection Act, 1999 — Order Adding a | SOR/2024-275 | — |
| Jan 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-02-01 Amending the | SOR/2025-8 | — |
| Jan 31, 2025 | II | Regulation | Toxic Substance to Part 2 of Schedule 1 to the Canadian Environmental Protection Act, 1999 — Order Adding a | SOR/2025-13 | — |
| Feb 5, 2025 | II | Regulation | Domestic Substances List — Order 2024-87-21-01 Amending the | SOR/2025-17 | — |
| Feb 14, 2025 | II | Regulation | Toxic Substances to Part 2 of Schedule 1 to the Canadian Environmental Protection Act, 1999 — Order Adding | SOR/2025-27 | — |
| Feb 26, 2025 | II | Regulation | Certain Products Containing Toxic Substances Regulations | SOR/2025-36 | — |
| Feb 26, 2025 | II | Regulation | Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in British Columbia, 2025 — Order Declaring that the Regulations Respecting | SOR/2025-37 | — |
| Feb 28, 2025 | II | Regulation | Domestic Substances List — Order 2024-87-20-01 Amending the | SOR/2025-59 | — |
| Feb 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-66-03-01 Amending the | SOR/2025-56 | — |
| Feb 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-03-01 Amending the | SOR/2025-57 | — |
| Feb 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-03-01 Amending the | SOR/2025-58 | — |
| Mar 6, 2025 | II | Regulation | Domestic Substances List — Order 2024-87-24-01 Amending the | SOR/2025-81 | — |
| Mar 7, 2025 | II | Regulation | Reduction in the Release of Volatile Organic Compounds (Storage and Loading of Volatile Petroleum Liquids) Regulations | SOR/2025-88 | — |
| Mar 8, 2025 | I | Proposed | Order Adding a Toxic Substance to Part 2 of Schedule 1 to the Canadian Environmental Protection Act, 1999 | — | Environment, Dept. of the, and Dept. of Health |
| Mar 8, 2025 | I | Proposed | Regulations Amending the Multi-Sector Air Pollutants Regulations | — | Environment, Dept. of the, and Dept. of Health |
| Jul 5, 2025 | I | Proposed | Order Declaring that the Regulations Respecting Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in Alberta, 2025 | — | Environment, Dept. of the |
| Aug 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-05-01 Amending the | SOR/2025-169 | — |
| Aug 28, 2025 | II | Regulation | Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations and the Environmental Violations Administrative Monetary Penalties Regulations — Regulations Amending the | SOR/2025-167 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-04-01 Amending the | SOR/2025-176 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-06-01 Amending the | SOR/2025-171 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-07-01 Amending the | SOR/2025-179 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-08-01 Amending the | SOR/2025-173 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-66-04-01 Amending the | SOR/2025-174 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-66-07-01 Amending the | SOR/2025-177 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-04-01 Amending the | SOR/2025-175 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-06-01 Amending the | SOR/2025-170 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-07-01 Amending the | SOR/2025-178 | — |
| Aug 29, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-08-01 Amending the | SOR/2025-172 | — |
| Sep 8, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-09-01 Amending the | SOR/2025-183 | — |
| Sep 8, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-09-01 Amending the | SOR/2025-184 | — |
| Oct 23, 2025 | II | Regulation | Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) Do Not Apply in Alberta, 2025 — Order Declaring that the Regulations Respecting | SOR/2025-213 | — |
| Oct 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-66-10-01 Amending the | SOR/2025-215 | — |
| Oct 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-10-01 Amending the | SOR/2025-216 | — |
| Oct 28, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-10-01 Amending the | SOR/2025-217 | — |
| Nov 21, 2025 | II | Regulation | Multi-Sector Air Pollutants Regulations — Regulations Amending the | SOR/2025-229 | — |
| Dec 9, 2025 | II | Regulation | Domestic Substances List — Order 2025-66-11-01 Amending the | SOR/2025-252 | — |
| Dec 9, 2025 | II | Regulation | Domestic Substances List — Order 2025-87-11-01 Amending the | SOR/2025-253 | — |
| Dec 9, 2025 | II | Regulation | Domestic Substances List — Order 2025-112-11-01 Amending the | SOR/2025-254 | — |
| Dec 12, 2025 | II | Regulation | Landfill Methane Regulations | SOR/2025-279 | — |
| Dec 12, 2025 | II | Regulation | PCB Regulations and the Regulations Designating Regulatory Provisions for Purposes of Enforcement (Canadian Environmental Protection Act, 1999) — Regulations Amending the | SOR/2025-273 | — |
| Dec 12, 2025 | II | Regulation | Prohibition of Certain Toxic Substances Regulations, 2025 | SOR/2025-270 | — |
| Dec 12, 2025 | II | Regulation | Reduction in the Release of Methane and Certain Volatile Organic Compounds (Upstream Oil and Gas Sector) — Regulations Amending the Regulations Respecting | SOR/2025-280 | — |
| Dec 13, 2025 | I | Proposed | Regulations Amending the Sulphur in Gasoline Regulations | — | Environment, Dept. of the |
| Dec 20, 2025 | I | Proposed | Regulations Amending the Single-use Plastics Prohibition Regulations | — | Environment, Dept. of the, and Dept. of Health |
| Jan 13, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-01-01 Amending the | SOR/2026-1 | — |
| Jan 13, 2026 | II | Regulation | Domestic Substances List — Order 2026-112-01-01 Amending the | SOR/2026-2 | — |
| Feb 3, 2026 | II | Regulation | Domestic Substances List — Order 2025-87-20-01 Amending the | SOR/2026-15 | — |
| Feb 10, 2026 | II | Regulation | Domestic Substances List — Order 2025-87-25-01 Amending the | SOR/2026-20 | — |
| Feb 16, 2026 | II | Regulation | Canadian Environmental Protection Act, 1999 — Order Amending Schedule 3 to the | SOR/2026-28 | — |
| Feb 16, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-02-01 Amending the | SOR/2026-26 | — |
| Feb 16, 2026 | II | Regulation | Domestic Substances List — Order 2026-112-02-01 Amending the | SOR/2026-27 | — |
| Mar 9, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-20-01 Amending the | SOR/2026-43 | — |
| Mar 13, 2026 | II | Regulation | Toxic Substance to Part 2 of Schedule 1 to the Canadian Environmental Protection Act, 1999 — Order Adding a | SOR/2026-47 | — |
| Mar 18, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-03-01 Amending the | SOR/2026-51 | — |
| Mar 18, 2026 | II | Regulation | Domestic Substances List — Order 2026-112-03-01 Amending the | SOR/2026-52 | — |
| May 12, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-04-01 Amending the | SOR/2026-82 | — |
| May 13, 2026 | II | Regulation | Domestic Substances List — Order 2026-66-05-01 Amending the | SOR/2026-83 | — |
| May 13, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-05-01 Amending the | SOR/2026-84 | — |
| May 13, 2026 | II | Regulation | Domestic Substances List — Order 2026-112-05-01 Amending the | SOR/2026-85 | — |
| May 28, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-06-01 Amending the | SOR/2026-90 | — |
| Jun 5, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-07-01 Amending the | SOR/2026-115 | — |
| Jun 5, 2026 | II | Regulation | Domestic Substances List — Order 2026-112-07-01 Amending the | SOR/2026-116 | — |
| Jun 22, 2026 | II | Regulation | Sulphur in Gasoline Regulations — Regulations Amending the | SOR/2026-145 | — |
| Jun 30, 2026 | II | Regulation | Domestic Substances List — Order 2026-87-08-01 Amending the | SOR/2026-161 | — |