| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 2 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 3 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 4 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 5 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 6 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 7 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 8 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 9 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 10 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 11 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 12 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | Sch. 1 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | Sch. 2 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | Sch. 3 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | Sch. 4 | coming into force | The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | reg. 1(1) | Yes | |
| The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021 | 2021 No. 177 | Regulations | transfer of functions | The First-tier Tribunal for Scotland (Allocation of Functions to the General Regulatory Chamber) Regulations 2023 | 2023 No. 158 | reg. 2 | Yes | |