| Health and Safety at Work (Northern Ireland) Order 1978 | 1978 No. 1039 | art. 7(1) | modified | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | reg. 32(1) | Yes | |
| The Employment (Miscellaneous Provisions) (Northern Ireland) Order 1990 | 1990 No. 246 | Sch. 1 | words omitted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 1 | Yes | |
| Radioactive Substances Act 1993 | 1993 c. 12 | s. 10 | excluded | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | reg. 31(2)(a) | Yes | |
| Radioactive Substances Act 1993 | 1993 c. 12 | s. 11 | excluded | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | reg. 31(2)(a) | Yes | |
| Personal Protective Equipment at Work Regulations (Northern Ireland) 1993 | 1993 No. 20 | reg. 3(3)(a) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 3 | Not yet | |
| Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (Northern Ireland) 1997 | 1997 No. 455 | Sch. 7 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 4(2)(a) | Not yet | |
| Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (Northern Ireland) 1997 | 1997 No. 455 | Sch. 7 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 4(2)(b) | Not yet | |
| Health and Safety (Enforcing Authority) Regulations (Northern Ireland) 1999 | 1999 No. 90 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 5(2) | Not yet | |
| Health and Safety (Enforcing Authority) Regulations (Northern Ireland) 1999 | 1999 No. 90 | Sch. 2 para. 4(d) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 5(3)(a) | Not yet | |
| Health and Safety (Enforcing Authority) Regulations (Northern Ireland) 1999 | 1999 No. 90 | Sch. 2 para. 5 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 5(3)(b) | Not yet | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(a) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(b) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(c) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(d) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(e) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 2(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(2)(f) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 4(3) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(3) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 7(7)(b) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(4) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 8(8)(b) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(4) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | reg. 15 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(5) | Yes | |
| Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2001 | 2001 No. 436 | Sch. 11 para. 2-7 | omitted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 6(6) | Yes | |
| The High-activity Sealed Radioactive Sources and Orphan Sources Regulations 2005 | 2005 No. 2686 | reg. 19 | omitted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 7 | Yes | |
| The REACH Enforcement Regulations 2008 | 2008 No. 2852 | Sch. 3 Pt. 3 para. 1(g)(ii) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 8(a) | Yes | |
| The REACH Enforcement Regulations 2008 | 2008 No. 2852 | Sch. 3 Pt. 3 para. 3 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 8(b) | Yes | |
| The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (Northern Ireland) 2010 | 2010 No. 160 | Sch. 2 para. 3(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 9(2)(a) | Yes | |
| The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (Northern Ireland) 2010 | 2010 No. 160 | Sch. 2 para. 3(1) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 9(2)(b) | Yes | |
| The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (Northern Ireland) 2010 | 2010 No. 160 | Sch. 2 para. 3(2) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 9(3) | Yes | |
| The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (Northern Ireland) 2010 | 2010 No. 160 | Sch. 2 para. 3(3) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 9(4) | Yes | |
| The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (Northern Ireland) 2010 | 2010 No. 160 | Sch. 2 para. 4(2)(c) | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 9(5) | Yes | |
| The Health and Safety (Fees) Regulations (Northern Ireland) 2012 | 2012 No. 255 | Sch. 2 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 10(2)(a) | Yes | |
| The Health and Safety (Fees) Regulations (Northern Ireland) 2012 | 2012 No. 255 | Sch. 2 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 10(2)(b) | Yes | |
| The Construction (Design and Management) Regulations (Northern Ireland) 2016 | 2016 No. 146 | Sch. 4 para. 3 | words substituted | The Ionising Radiations Regulations (Northern Ireland) 2017 | 2017 No. 229 | Sch. 9 para. 11 | Yes | |