| Environmental Protection Act 1990 | 1990 c. 43 | specified amended provision(s) | Commencement Order | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 3 | Yes |   commencement order for SI 1997/2778 (N.I. 19) |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 2(2) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 2(4)(5)(9) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 3(1)(2)art. 3(3)(b)(c)(4)(5) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 3(3)(a)(6) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 4(1)(a)(b)(5) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 4(2)-(4)(6)-(9) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 6(1)-(3)(5)-(10) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 8 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 10(1)-(5) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 12(1)-(8)(12)-(15) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 13 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 14 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 15 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 16 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 17 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 18 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 24 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 27 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 28 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 31 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 34(1)-(3)(5)-(7) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 35 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 36 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 37 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 43 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 45(4)-(7) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 47(1) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 47(2) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 75 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 83(1) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | art. 83(2) | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 2 para. 1 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 2 para. 2 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 5 para. 2 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 5 para. 3 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 5 para. 5 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 5 para. 6 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |
| The Waste and Contaminated Land (Northern Ireland) Order 1997 | 1997 No. 2778 | Sch. 5 para. 8 | coming into force | The Waste and Contaminated Land (1997 Order) (Commencement No. 7) Order (Northern Ireland) 2003 | 2003 No. 489 | art. 2 | Yes | |