| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 2(1) | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2(a) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 2(1) | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2(b) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 2(1) | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2(c) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 2(1) | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2(d) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 2(1) | words added | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2(e) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 3A | inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 3 | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 4(3A) | inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 4(2) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 4(6) | substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 4(3) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | reg. 12 | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 5 | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 2 | words substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 6(2) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 2 Item 25 | added | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 6(3) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 2 Appendix heading | substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 6(4) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 2 Appendix 2 | added | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 6(5) Sch. 1 | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 3 Item 4 | substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 7 Sch. 2 | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 4 | words substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 8(2) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 4 | words inserted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 8(3) | Yes | |
| Motor Vehicles (Approval) Regulations (Northern Ireland) 2001 | 2001 No. 172 | Sch. 4 | words substituted | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 8(4) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 2 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 3 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 4 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 5 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 6 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 7 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 8 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | Sch. 1 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |
| Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | Sch. 2 | coming into force | Motor Vehicles (Approval) (Amendment) Regulations (Northern Ireland) 2004 | 2004 No. 30 | reg. 1(1) | Yes | |