| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Pt. 3 heading | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 8 | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 2(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 3(a) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 2(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 3(b) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 2(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 3(c) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 8(c)(ii) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 4 | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 11(1)(c) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 5(a)(i) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 11(1)(ca) | inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 5(a)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 11(2)(a) | word inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 5(b) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 12(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 6 | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 33 | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 7 | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 34(1)(a) | words substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 9(a) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 34(1)(a) | words omitted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 9(b) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 35(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 10(a) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 35(2)(a) | substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 10(b) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | reg. 35(3) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 10(c) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 2 | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(b)(i) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 2 | words omitted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(b)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 2 | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(b)(iii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 3(1) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(c)(i) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 3(1) | words substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(c)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 5(7) | word substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(d)(i)(aa) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 5(7) | words substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(d)(i)(bb) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 5(8) | word substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(d)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 5(9C) | word substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(d)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 5(9) | word substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(d)(iii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 6(1)(c) | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(e)(i) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 6(1)(ca) | inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(e)(ii) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 para. 9(5) | word substituted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(f) | Yes | |
| The Climate Change Levy (General) Regulations 2001 | 2001 No. 838 | Sch. 1 heading | words inserted | The Climate Change Levy (General) (Amendment) Regulations 2012 | 2012 No. 943 | reg. 11(a) | Yes | |