| The Health and Safety (First-Aid) Regulations (Northern Ireland) 1982 | 1982 No. 429 | reg. 3(5) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 2 | Not yet | |
| The Health and Safety (Display Screen Equipment) Regulations (Northern Ireland) 1992 | 1992 No. 513 | reg. 5 | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 3(a) | Not yet | |
| The Health and Safety (Display Screen Equipment) Regulations (Northern Ireland) 1992 | 1992 No. 513 | reg. 7(1)(2) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 3(b) | Not yet | |
| The Health and Safety (Display Screen Equipment) Regulations (Northern Ireland) 1992 | 1992 No. 513 | reg. 7(3) | words inserted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 3(c) | Not yet | |
| The Health and Safety (Display Screen Equipment) Regulations (Northern Ireland) 1992 | 1992 No. 513 | reg. 8(1)(1A) | substituted for reg. 8(1) | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 3(d) | Not yet | |
| The Manual Handling Operations Regulations (Northern Ireland) 1992 | 1992 No. 535 | reg. 4(3) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 4 | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 4(3)(a)(b) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(a) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 4(4) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(b) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 6(2)(b) | word deleted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(c)(i) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 6(2)(c) | semi-colon substituted for full stop | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(c)(ii) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 6(2)(c) | word added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(c)(ii) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 6(2)(d) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(c)(iii) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 9(1)(c) | comma substituted for full stop | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(d)(i) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 9(1)(c) | words added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(d)(ii) | Not yet | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 9(3) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 5(e) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 2(1) | words inserted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(a) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 2(1)(b) | full stop substituted for comma | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(b)(i) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 2(1)(b) | words deleted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(b)(ii) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 4A and cross-heading | inserted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(c) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 5(3)(a) | word deleted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(d)(i) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 5(3)(b) | semi-colon substituted for full stop | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(d)(ii) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 5(3)(b) | word added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(d)(ii) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 5(3)(c) | added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(d)(iii) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 6(3) | deleted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(e) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 7(1A) | inserted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(f) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 24(2) | words added | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(g) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 25(3) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(h) | Not yet | |
| Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 | 1993 No. 37 | reg. 25A and cross-heading | inserted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 6(i) | Not yet | |
| Lifting Operations and Lifting Equipment Regulations (Northern Ireland) 1999 | 1999 No. 304 | reg. 2 | word substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 8 | Not yet | |
| Provision and Use of Work Equipment Regulations (Northern Ireland) 1999 | 1999 No. 305 | reg. 10(1)(2) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 7(a) | Not yet | |
| Provision and Use of Work Equipment Regulations (Northern Ireland) 1999 | 1999 No. 305 | reg. 11(2) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 7(b) | Not yet | |
| Provision and Use of Work Equipment Regulations (Northern Ireland) 1999 | 1999 No. 305 | reg. 18(1) | substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 7(c) | Not yet | |
| Provision and Use of Work Equipment Regulations (Northern Ireland) 1999 | 1999 No. 305 | reg. 35(2) | words substituted | Health and Safety (Miscellaneous Amendments) Regulations (Northern Ireland) 2003 | 2003 No. 423 | reg. 7(d) | Not yet | |