Section 51 Power of Commissioners to obtain information from appellant.F1

S. 51 repealed (with effect in accordance with reg. 1(1) of the amending S.I.) by The General and Special Commissioners (Amendment of Enactments) Regulations 1994 (S.I. 1994/1813), Sch. 1 para. 7, Sch. 2 Pt. I

Pt. 5 applied by Income and Corporation Taxes Act 1988 (c. 1), s. 248(3)

Pt. 5 applied (1.10.1982) by The Income Tax (Interest Relief) Regulations 1982 (S.I. 1982/1236), reg. 14(5)

Pt. 5 applied (26.10.1987) by The Occupational Pension Schemes (Additional Voluntary Contributions) Regulations 1987 (S.I. 1987/1749), reg. 9(5)

Pt. 5 applied (29.10.1987) by The Personal Pension Schemes (Provisional Approval) Regulations 1987 (S.I. 1987/1765), reg. 6(4)

Pt. 5 applied (1.7.1988) by The Personal Pension Schemes (Relief at Source) Regulations 1988 (S.I. 1988/1013), reg. 11(5)

Pt. 5 applied (9.1.1990) by The Private Medical Insurance (Tax Relief) Regulations 1989 (S.I. 1989/2387), regs. 14, 17

Pt. 5 applied (30.1.1992) by Income Tax (Building Societies) (Audit Powers) Regulations 1992 (S.I. 1992/10), reg. 10(3) (revoked (31.10.2008) by S.I. 2008/2682, Sch. 3)

Pt. 5 applied (30.1.1992) by The Income Tax (Deposit-takers) (Audit Powers) Regulations 1992 (S.I. 1992/12), reg. 10(3) (revoked (31.10.2008) by S.I. 2008/2682, Sch. 3)

Pt. 5 applied (with modifications) (N.I.) (1.7.1992) by Social Security Contributions and Benefits (Northern Ireland) Act 1992 (c. 7), ss. 15(3), 173(4), Sch. 2 para.8 (with s. 108(5))

Pt. 5 applied (1.10.1993) by The Income Tax (Manufactured Overseas Dividends) Regulations 1993 (S.I. 1993/2004), reg. 11(10)

Pt. 5 applied (6.4.1999) by The Overseas Insurers (Tax Representatives) Regulations 1999 (S.I. 1999/881), art. 1, reg. 13(4)

Pt. 5 applied (with modifications) (1.9.2002 for specified purposes, 1.1.2003 for specified purposes, 6.4.2003 for specified purposes) by Tax Credits Act 2002 (c. 21), ss. 39(6), 61; S.I. 2002/1727, art. 2

Pt. 5 applied in part (with modifications) (with effect in accordance with reg. 1(2) of the amending S.I.) by The Working Tax Credit (Payment by Employers) Regulations 2002 (S.I. 2002/2172), regs. 1(1), 8(9), 14(4)

Pt. 5 applied (with modifications) (18.6.2003) by The Tax Credits (Employer Penalty Appeals) Regulations 2003 (S.I. 2003/1382), regs. 1, 3-10

Pt. 5 applied in part (with modifications) (6.4.2004) by The Income Tax (Pay As You Earn) Regulations 2003 (S.I. 2003/2682), regs. 1, 80(5)

Pt. 5 applied (6.4.2004) by The Income Tax (Pay As You Earn) Regulations 2003 (S.I. 2003/2682), regs. 1, 204(7)

Pt. 5 applied (6.4.2005) by Child Trust Funds Act 2004 (c. 6), ss. 23(6), 27; S.I. 2004/3369, art. 2(1)

Pt. 5 applied in part (with effect in accordance with s. 883(1) of the amending Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), ss. 218(7), 883(1) (with s. 196, Sch. 2)

Pt. 5 applied (6.4.2006) by The Registered Pension Schemes (Relief at Source) Regulations 2005 (S.I. 2005/3448), regs. 1, 12(5)

Pt. 5 applied (with application in accordance with reg. 1(2) of the amending S.I.) by The Income Tax (Purchased Life Annuities) Regulations 2008 (S.I. 2008/562), regs. 1(1), 20 (with reg. 27)

Pt. 5 applied (21.7.2008) by Finance Act 2008 (c. 9), ss. 113, 114(7), Sch. 36 para. 48(5) (with Sch. 36 para. 38)

Pt. 5 applied (1.4.2009) by Finance Act 2008 (c. 9), s. 113(2), Sch. 36 para. 32(6) (with Sch. 36 para. 38); S.I. 2009/404, art. 2

Pt. 5 applied (with modifications) (E.W.) (6.4.2009) by The Education (Student Loans) (Repayment) Regulations 2009 (S.I. 2009/470), regs. 1(1), 34 (with reg. 1(4)(6))

Pt. 5 applied (with modifications) (E.W.) (6.4.2009) by The Education (Student Loans) (Repayment) Regulations 2009 (S.I. 2009/470), regs. 1(1), 62(4) (with reg. 1(4)(6))

Pts. 4, 5 applied (with modifications) (N.I.) (6.4.2009) by The Education (Student Loans) (Repayment) Regulations (Northern Ireland) 2009 (S.R. 2009/128), regs. 1(1), 29(1)

Pts. 4, 5, 6 applied (with modifications) (N.I.) (6.4.2009) by The Education (Student Loans) (Repayment) Regulations (Northern Ireland) 2009 (S.R. 2009/128), regs. 1(1), 57(4)

Pt. 5 applied (with effect in accordance with s. 93(2) of the amending Act) by Finance Act 2009 (c. 10), Sch. 46 para. 10(5) (with Sch. 46 paras. 1011)

Pt. 5 power to apply (with modifications) conferred (1.1.2010 for specified purposes) by Saving Gateway Accounts Act 2009 (c. 8), s. 24(4)(5), 31; S.I. 2009/3332, art. 2(e)

Pt. 5 applied (with effect in accordance with s. 381(1) of the amending Act) by Taxation (International and Other Provisions) Act 2010 (c. 8), ss. 145(6), 381(1) (with Sch. 9 paras. 1-9, 22)

Pt. 5 applied (with modifications) (8.4.2010) by Finance Act 2010 (c. 13), Sch. 1 paras. 32, 33

Pt. 5 applied (with modifications) (1.4.2012) by Finance Act 2011 (c. 11), Sch. 23 paras. 29(6), 65(1)(a) (with Sch. 23 paras. 50, 65(1)(b))

Pt. 5 applied (with modifications) (1.4.2012) by Finance Act 2011 (c. 11), Sch. 23 paras. 37(5), 65(1)(a) (with Sch. 23 paras. 50, 65(1)(b))

Pt. 5 applied (with modifications) by The Social Security (Contributions) Regulations 2001 (S.I. 2001/1004), Sch. 4 para. 29V(8) (as inserted (6.4.2012) by S.I. 2012/821, regs. 1(1), 18)

Pt. 5 applied (1.4.2013) by Finance Act 2012 (c. 14), s. 223, Sch. 38 paras. 5(5), 20(7), 31(7) (with Sch. 38 para. 43); S.I. 2013/279, art. 2

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 2 para. 81K(10) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 28, 89 (with Sch. 8 paras. 90-96))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 2 para. 81G(3) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 28, 89 (with Sch. 8 paras. 90-96))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), s. 40K(9) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 117, 146 (with Sch. 8 paras. 147-157))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 3 para. 40G(3) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 117, 146 (with Sch. 8 paras. 147-157))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), s. 421JF(6) (as inserted (with effect in accordance with Sch. 8 para. 234 of the amending Act) by Finance Act 2014 (c. 26), Sch. 8 paras. 228, 232)

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 4 para. 28G(3) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 179, 204 (with Sch. 8 paras. 205-215))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 4 para. 28K(9) (as substituted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 179, 204 (with Sch. 8 paras. 205-215))

Pt. 5 applied by Income Tax (Earnings and Pensions) Act 2003 (c. 1), Sch. 5 para. 57E(6) (as inserted (6.4.2014) by Finance Act 2014 (c. 26), Sch. 8 paras. 220, 222)

Pt. 5 extended (30.6.2014) by The International Tax Compliance (United States of America) Regulations 2014 (S.I. 2014/1506), regs. 1(2), 23(5)

Pt. 5 applied (17.7.2014) by Finance Act 2014 (c. 26), s. 247(5) (with ss. 269-271)

Pt. 5 applied (17.7.2014) by Finance Act 2014 (c. 26), s. 266(11) (with ss. 269-271)

Pt. 5 applied (with modifications) by Social Security Contributions and Benefits (Northern Ireland) Act 1992 (c. 7), s. 11A(1)(3) (as inserted (with effect in accordance with Sch. 1 para. 35 of the amending Act) by National Insurance Contributions Act 2015 (c. 5), Sch. 1 para. 12)

Pt. 5 applied (with modifications) by Social Security Contributions and Benefits Act 1992 (c. 4), s. 11A(1)(3) (as inserted (with effect in accordance with Sch. 1 para. 35 of the amending Act) by National Insurance Contributions Act 2015 (c. 5), Sch. 1 para. 3)

Pt. 5 extended (with effect in accordance with s. 116(1) of the amending Act) by Finance Act 2015 (c. 11), s. 102(6)

Pt. 5 modified (with effect in accordance with reg. 1(4) of the amending S.I.) by The International Tax Compliance Regulations 2015 (S.I. 2015/878), regs. 1(1), 20(5) (with reg. 1(2)(3))

Pt. 5 excluded (E.W.N.I.) (18.11.2015) by Finance (No. 2) Act 2015 (c. 33), Sch. 8 para. 12(11)

Pt. 5 excluded (E.W.N.I.) (18.11.2015) by Finance (No. 2) Act 2015 (c. 33), Sch. 8 para. 10(9)

Pt. 5 modified (18.3.2016) by The Taxes (Base Erosion and Profit Shifting) (Country-by-Country Reporting) Regulations 2016 (S.I. 2016/237), regs. 1, 18(5)

Pt. 5 applied (with modifications) (with application in accordance with reg. 1 of the amending S.I.) by The Education (Postgraduate Masters Degree Loans) Regulations 2016 (S.I. 2016/606), regs. 1(1), 79(4)

Pts. 4, 5 applied (with modifications) (with application in accordance with reg. 1 of the amending S.I.) by The Education (Postgraduate Masters Degree Loans) Regulations 2016 (S.I. 2016/606), regs. 1(1), 44

Pt. 5 applied by Income Tax Act 2007 (c. 3), s. 698A(3) (as inserted (with effect in accordance with s. 34(8)(9) of the amending Act) by Finance Act 2016 (c. 24), s. 34(6))

Pt. 5 applied (15.9.2016) by Finance Act 2016 (c. 24), s. 114(3) (with s. 117)

Pt. 5 applied by Taxation (International and Other Provisions) Act 2010 (c. 8), Sch. 7A para. 36(6) (as inserted (with effect in accordance with Sch. 5 para. 25(1)(2) of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 5 para. 2 (with Sch. 5 para. 28))

Pt. 5 applied by Taxation (International and Other Provisions) Act 2010 (c. 8), Sch. 7A para. 48(3) (as inserted (with effect in accordance with Sch. 5 para. 25(1)(2) of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 5 para. 2 (with Sch. 5 para. 28))

Pt. 5 modified (12.2.2019) by Finance Act 2019 (c. 1), Sch. 15 para. 94(6)

Pt. 5 applied (25.4.2019) by The Pension Schemes (Information Requirements Repayment of Overseas Transfer Charge) Regulations 2019 (S.I. 2019/774), regs. 1, 5

Pts. 4-6 applied (22.7.2020) by Finance Act 2020 (c. 14), Sch. 16 para. 9(3)

Pt. 5 applied (with effect in accordance with reg. 1(3) of the amending S.I.) by S.I. 2005/2045, reg. 24L(14) (as inserted by The Income Tax (Construction Industry Scheme) (Amendment) Regulations 2021 (S.I. 2021/321), regs. 1(1), 10)

Pt. 5 applied (with effect in accordance with s. 121(6) of the amending Act) by 2014 c. 26, s. 236E(6) (as inserted by Finance Act 2021 (c. 26), Sch. 30 para. 1)

Pt. 5 applied (in relation to relevant returns that are required to be made on or after 1.4.2022) by Finance Act 2022 (c. 3), Sch. 17 para. 24(6)

Pt. 5 applied (11.7.2023) by Finance (No. 2) Act 2023 (c. 30), s. 300(11)

Pt. 5 applied (1.1.2024) by The Platform Operators (Due Diligence and Reporting Requirements) Regulations 2023 (S.I. 2023/817), regs. 1, 23(2) (with reg. 23(3))

Pt. 5 modified (31.12.2024) by The Controlled Foreign Companies (Reversal of State Aid Recovery) Regulations 2024 (S.I. 2024/1307), regs. 1(1), 5(6)

Pt. 5 applied by S.I. 2015/878, reg. 22N(2)(3) (as inserted (16.7.2025) by The International Tax Compliance (Amendment) Regulations 2025 (S.I. 2025/740), regs. 1(1), 12)

Pt. 5 applied (1.1.2026) by The Reporting Cryptoasset Service Providers (Due Diligence and Reporting Requirements) Regulations 2025 (S.I. 2025/744), regs. 1, 25(2)(3)

Pt. 5 applied (with effect from 6.4.2026) by 2004 c. 12, s. 72C (as inserted by Finance Act 2026 (c. 11), ss. 220(5), 222(1))

Pt. 5 applied in part (18.3.2026) by Finance Act 2026 (c. 11), Sch. 23 para. 20(3) (with Sch. 23 para. 24)

Pt. 5 applied in part (for accounting periods beginning on or after 1.1.2026) by 2010 c. 8, s. 217K(6) (as inserted by Finance Act 2026 (c. 11), s. 46(2), Sch. 5 para. 1(1))

Pt. 5 applied (18.3.2026) by Finance Act 2026 (c. 11), s. 170(3)

S. 48 cross-heading substituted (1.4.2009) by The Transfer of Tribunal Functions and Revenue and Customs Appeals Order 2009 (S.I. 2009/56), art. 1(2), Sch. 1 para. 26