| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 2 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 3 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 4 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 5 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 6 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 6A | inserted | The Protection of Water Against Agricultural Nitrate Pollution (Amendment) Regulations (Northern Ireland) 2005 (revoked) | 2005 No. 306 | reg. 3 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 7 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 8 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 9 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 10 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 11 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 1 Pt. 1 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 1 Pt. 2 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 2 para. 1 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 2 para. 2 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 3 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 4 para. 1 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 4 para. 2 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 5 para. 1 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 5 para. 2 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Sch. 5 para. 3 | coming into force | The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | reg. 1 | Yes | |
| The Protection of Water Against Agricultural Nitrate Pollution Regulations (Northern Ireland) 2003 (revoked) | 2003 No. 259 | Regulations | revoked | The Nitrates Action Programme Regulations (Northern Ireland) 2006 | 2006 No. 489 | reg. 30(1)(b) | Yes | |