| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Act | words substituted | Commissioners for Revenue and Customs Act 2005 | 2005 c. 11 | Sch. 4 para. 102(1) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Act | words substituted | Commissioners for Revenue and Customs Act 2005 | 2005 c. 11 | Sch. 4 para. 102(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Act | applied (with modifications) | The Employment and Support Allowance (Transitional Provisions, Housing Benefit and Council Tax Benefit) (Existing Awards) Regulations 2010 | 2010 No. 875 | reg. 16 Sch. 2 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Act | applied (with modifications) | The Employment and Support Allowance (Transitional Provisions, Housing Benefit and Council Tax Benefit) (Existing Awards) (No. 2) Regulations 2010 | 2010 No. 1907 | reg. 16(2)(c) Sch. 2 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 554AA-554AF and cross-heading | inserted | Finance Act 2018 | 2018 c. 3 | Sch. 1 para. 2 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 554Z11B-554Z11G and cross-heading | inserted | Finance Act 2017 | 2017 c. 10 | Sch. 6 para. 11 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 254A and cross-heading | inserted | Finance Act 2020 | 2020 c. 14 | s. 11 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 41ZA and cross-heading | inserted | Finance Act 2013 | 2013 c. 29 | Sch. 6 para. 3 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 46A and cross-heading | inserted | Finance Act 2014 | 2014 c. 26 | s. 16(5) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 306A and cross-heading | inserted | Finance Act 2015 | 2015 c. 11 | s. 14(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 295A and cross-heading | inserted | Finance (No. 2) Act 2015 | 2015 c. 33 | s. 29(5) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 306B and cross-heading | inserted | Finance Act 2016 | 2016 c. 24 | Sch. 2 para. 2 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 299A and cross-heading | inserted | The Enactment of Extra-Statutory Concessions Order 2018 | 2018 No. 282 | art. 2(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 60A-60I and cross-headings | inserted | Finance Act 2020 | 2020 c. 14 | Sch. 1 para. 5 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 326B and cross-heading | inserted | Finance Act 2013 | 2013 c. 29 | Sch. 23 para. 37 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 320A and cross-heading | inserted | Finance Act 2006 | 2006 c. 25 | s. 62(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 320B and cross-heading | inserted | Finance Act 2009 | 2009 c. 10 | s. 55(4) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 326A and cross-heading | inserted | Finance Act 2011 | 2011 c. 11 | s. 39(1) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 320C and cross-heading | inserted | Finance Act 2014 | 2014 c. 26 | s. 12(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 226E and cross-heading | inserted | Finance Act 2016 | 2016 c. 24 | Sch. 2 para. 1 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 9 | inserted | Finance Act 2007 | 2007 c. 11 | Sch. 3 para. 4 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 4 heading | substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 6 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 5 title | substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 10 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 5A | inserted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 22 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 6 | omitted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 23 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 | applied | Corporation Tax Act 2009 | 2009 c. 4 | s. 969(4)(a) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 5B | substituted for Pt. 2 Ch. 5A | Finance Act 2014 | 2014 c. 26 | Sch. 9 para. 5 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 10 | inserted | Finance Act 2017 | 2017 c. 10 | Sch. 1 para. 9 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 | applied | The Equality Act 2010 (Specific Duties and Public Authorities) Regulations 2017 | 2017 No. 353 | Sch. 1 para. 4(3) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 8 heading | substituted | Finance Act 2020 | 2020 c. 14 | Sch. 1 para. 2 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 10 heading | substituted | Finance Act 2020 | 2020 c. 14 | Sch. 1 para. 8 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 2 Ch. 5C | inserted | Finance Act 2025 | 2025 c. 8 | s. 38(1)(3) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 15 cross-heading | substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 8 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 15 heading | words substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 9(4) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 21 cross-heading | substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 12 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 22 heading | words substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 14(7) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 22 heading | words substituted | Finance Act 2013 | 2013 c. 29 | Sch. 46 para. 7(2)(a) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 22 cross-heading | words substituted | Finance Act 2013 | 2013 c. 29 | Sch. 46 para. 7(2)(b) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 22 heading | word substituted | Finance Act 2025 | 2025 c. 8 | Sch. 9 para. 3(4)(a) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 25 cross-heading | substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 17 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 26 heading | words substituted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 19(5) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 26 heading | words substituted | Finance Act 2013 | 2013 c. 29 | Sch. 46 para. 9(2)(a) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 26 cross-heading | words substituted | Finance Act 2013 | 2013 c. 29 | Sch. 46 para. 9(2)(b) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 25 cross-heading | word substituted | Finance Act 2025 | 2025 c. 8 | Sch. 9 para. 3(6) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 26 heading | words substituted | Finance Act 2025 | 2025 c. 8 | Sch. 9 para. 3(7)(a) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | s. 31 cross-heading | omitted | Finance Act 2008 | 2008 c. 9 | Sch. 7 para. 21 | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 3 Ch. 8 | repealed | Finance Act 2003 | 2003 c. 14 | Sch. 22 para. 22(1) Sch. 43 Pt. 3(4) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 3 Ch. 9 | repealed | Finance Act 2003 | 2003 c. 14 | Sch. 22 para. 23(1) Sch. 43 Pt. 3(4) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 3 Ch. 7 | extended (with modifications) | Finance Act 2006 | 2006 c. 25 | s. 97(1)(2) | Yes | |
| Income Tax (Earnings and Pensions) Act 2003 | 2003 c. 1 | Pt. 3 Ch. 12 heading | words substituted | Finance Act 2013 | 2013 c. 29 | Sch. 23 para. 4(a) | Yes | |