| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | Pt. 2A | inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 33 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | Pt. 3A | inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 36 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | Pt. 4 heading | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 37 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | Pt. 4A | inserted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 23 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 2 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 2(2) | word inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 28(a) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 2(2) | word inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 28(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 3 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 3(1) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 29(a)(i) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 3(1) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 29(a)(ii) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 3(2) | substituted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 29(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 3(3) | substituted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 29(c) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 4 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 4 | substituted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 30 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 5 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 6 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 7 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 7(5) | sum substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 19 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 7(5) | sum substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2025 | 2025 No. 749 | reg. 15 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 8 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 8 heading | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 31 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 9 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 10 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 10 heading | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 32(a) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 10(4)(b) | words omitted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 32(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 10(5) | words omitted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 32(c) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 10(6) | omitted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 32(d) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 11 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 12 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 13 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 13(6) | omitted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 35 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 14 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 15 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 16 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 16(4A)-(4C) | inserted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2025 | 2025 No. 749 | reg. 16 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 16(5)(a) | words substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 20(a) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 16(5)(b) | words substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 20(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 17 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 17A | inserted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 21 | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 17A(2)(a) | sum substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2025 | 2025 No. 749 | reg. 17(a) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 17A(2)(b) | sum substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2025 | 2025 No. 749 | reg. 17(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 18 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 18(1) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 38(a) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 18(2) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 38(b) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 19 | coming into force | The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 1(2) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 19(2)(a) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 39(a)(i) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 19(2)(b) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 39(a)(ii) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 19(2)(c) | words inserted | The Medical Devices (In Vitro Diagnostic Devices etc.) (Amendment) Regulations 2024 | 2024 No. 221 | reg. 39(a)(iii) | Yes | |
| The Medical Devices (Northern Ireland Protocol) Regulations 2021 | 2021 No. 905 | reg. 19(3) | sum substituted | The Medical Devices and Blood Safety and Quality (Fees Amendment) Regulations 2023 | 2023 No. 377 | reg. 22(2) | Yes | |