| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | Pt. 6A | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 15 | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | Pt. 7A | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 17 | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | Pt. 9 | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 22 | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 2 | word substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 3(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3 | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(4)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3 | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(4)(c) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3 | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(4)(d) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3(1) | substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3(2) | word substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(3)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3(2) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(3)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 3(3) | words omitted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 4(4)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 4(1) | substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 5(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 4(2) | substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 5(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 4(3)(b) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 5(4) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 4(3A)(3B) | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 5(5) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 5(1)(a) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 6(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(1)(d) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(1A)(1B) | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(2) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(4)(a)(i) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(2) | word inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(4)(a)(ii) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(2)(b) | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(4)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(2)(d) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(4)(c)(i) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(2)(d) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(4)(c)(ii) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(3)(a) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(5) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(4)(a) | omitted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(6)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(4)(g) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(6)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 6(4)(h) and word | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 7(6)(c) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 7(a) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 8(2)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 7(a) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 8(2)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(2) | word substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(2)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(2) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(2)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(2) | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(2)(c) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(3A) | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(4) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(4)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 10(4)(a) | substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 9(4)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 13(1) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 10(2)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 13(1) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 10(2)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 13(3) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 10(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 15(1) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 11(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 18(1) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 12(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 18(2) | word inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 12(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 19(1)(a) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 13(2)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 19(1)(b) | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 13(2)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 19(1)(ba) | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 13(2)(c) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 19(2) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 13(3)(a) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 19(2) | words inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 13(3)(b) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 20 heading | substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 14(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 20(1A) | inserted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 14(3) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 21 | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 16(2) | Yes | |
| The Justification of Practices Involving Ionising Radiation Regulations 2004 | 2004 No. 1769 | reg. 22(1) | words substituted | The Justification of Practices Involving Ionising Radiation (Amendment) Regulations 2018 | 2018 No. 430 | reg. 18(2)(a) | Yes | |