| 245 | The Electricity Supply (Amendment) (Northern Ireland) Order | 14 Feb 1990 |
| 246 | The Employment (Miscellaneous Provisions) (Northern Ireland) Order | 14 Feb 1990 |
| 247 | The Health and Personal Social Services (Special Agencies)(Northern Ireland) Order | 14 Feb 1990 |
| 592 | The Appropriation(Northern Ireland) Order | 14 Mar 1990 |
| 593 | The Companies (Northern Ireland) Order | 14 Mar 1990 |
| 594 | The Licensing (Northern Ireland) Order | 14 Mar 1990 |
| 994 | The Transport (Amendment) (Northern Ireland) Order | 1 May 1990 |
| 1200 | The Industrial Training (Northern Ireland) Order | 7 Jun 1990 |
| 1305 | The Appropriation (No. 2)(Northern Ireland) Order | 26 Jun 1990 |
| 1504 | The Companies (No. 2) (Northern Ireland) Order | 24 Jul 1990 |
| 1506 | The Education (Student Loans) (Northern Ireland) Order | 24 Jul 1990 |
| 1508 | The Horse Racing (Northern Ireland) Order | 24 Jul 1990 |
| 1509 | The Pensions (Miscellaneous Provisions) (Northern Ireland) Order | 24 Jul 1990 |
| 1510 | The Planning and Building Regulations (Amendment) (Northern Ireland) Order | 24 Jul 1990 |
| 1511 | The Social Security (Northern Ireland) Order | 24 Jul 1990 |
| 2294 | The Horses (Protective Headgear for Young Riders) (Northern Ireland) Order | 20 Nov 1990 |
| 2588 | The Criminal Justice (Confiscation) (Northern Ireland) Order | 19 Dec 1990 |