http://www.legislation.gov.uk/ukpga/2009/4/section/457Corporation Tax Act 2009An Act to restate, with minor changes, certain enactments relating to corporation tax; and for connected purposes.texttext/xmlenStatute Law Database2026-04-18Expert Participation2026-04-01 Corporation Tax Act 2009s. 1094(2A)-(2C)Finance Act 2012Sch. 3 para. 13(3)Corporation Tax Act 2009s. 1106(4A)-(4C)Finance Act 2012Sch. 3 para. 14(3)Corporation Tax Act 2009s. 322(2A)(zb)Finance Act 2016s. 73(5)Corporation Tax Act 2009s. 145(6)(e) and wordPlanning (Consequential Provisions) (Wales) Act 2026Deddf Cynllunio (Darpariaethau Canlyniadol) (Cymru) 2026Sch. 2 para. 400(b)Sch. 5 Pt. 1s. 5(2)Corporation Tax Act 2009s. 1058B(5)(ea)Neonatal Care (Leave and Pay) Act 2023Sch. para. 57s. 3(3)reg. 2 Part 5Chapter 164571The basic rule is that the deficit must be carried forward and set off against non-trading profits of the company for accounting periods after the deficit period in accordance with subsection (3) and section 458 (subject to subsection (2A)).2That rule does not apply to so much of the deficit as—ais surrendered as group relief under Part 5 of CTA 2010, orbis the subject of a claim by the company under section 459 (claim to set off deficit against profits of deficit period or earlier periods).2AIf the company is a charity at the end of the deficit period, the deficit may not be carried forward and set off against non-trading profits (as described in subsection (1)) for an accounting period (and, accordingly, the deficit may not be surrendered as group relief under Part 5 of CTA 2010 for the purposes of subsection (2)(a)).3So much of the amount carried forward from the deficit period as is not the subject of a claim under section 458(1) must be set off against the non-trading profits of the company for the next accounting period after the deficit period.4Those profits are reduced accordingly.5In this Chapter “non-trading profits”, in relation to a company, means so much of the company's profits as does not consist of trading income for the purposes of section 37 of CTA 2010 (deduction of trading losses from total profits of the same or an earlier period).Words in Pt. 5 Ch. 16 heading inserted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 2Pt. 5 modified (with effect in accordance with reg. 1(2)(3) of the amending S.I.) by The Taxation of Regulatory Capital Securities Regulations 2013 (S.I. 2013/3209), regs. 1(1), 11(3)-(6)Words in s. 457(5) substituted (with effect in accordance with s. 1184(1) of the amending Act) by Corporation Tax Act 2010 (c. 4), s. 1184(1), Sch. 1 para. 618(3) (with Sch. 2)Pt. 5 applied (with modifications) (with effect in accordance with s. 1184(1) of the amending Act) by Corporation Tax Act 2010 (c. 4), ss. 990(5), 1184(1) (with Sch. 2)Pt. 5 modified by 2010 c. 4, s. 356NB(1)-(4) (as inserted (1.4.2014) by Finance Act 2014 (c. 26), Sch. 16 paras. 4, 6)Pt. 5 modified by 2007 c. 3, s. 809FZZ(9) (as inserted (with effect in accordance with s. 37(4) of the amending Act) by Finance Act 2016 (c. 24), s. 37(2))Pt. 5 modified (with effect in accordance with s. 148 of the amending Act) by Finance Act 2012 (c. 14), s. 88(1)(2)(7) (with s. 147, Sch. 17)Pt. 5 modified by 2010 c. 4, s. 356NC(1)-(4) (as inserted (1.4.2014) by Finance Act 2014 (c. 26), Sch. 16 paras. 4, 6)Pt. 5 modified (30.9.2013) by The BRB (Residuary) Limited (Tax Consequences) Order 2013 (S.I. 2013/2242), arts. 1, 7Pt. 5 modified by 2010 c. 4, s. 676AG(1) (as inserted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 75)Pt. 5 modified (1.4.2012) by Budget Responsibility and National Audit Act 2011 (c. 4), s. 29, Sch. 4 para. 2; S.I. 2011/2576, art. 5Words in s. 457(2)(a) substituted (with effect in accordance with s. 1184(1) of the amending Act) by Corporation Tax Act 2010 (c. 4), s. 1184(1), Sch. 1 para. 618(2) (with Sch. 2)Pt. 5 applied (with effect in accordance with Sch. 24 paras. 13-16 of the amending Act) by Finance Act 2009 (c. 10), Sch. 24 para. 15(2)(3)Pt. 5 modified (15.11.2011 for specified purposes, 30.3.2012 for E.W.) by Localism Act 2011 (c. 20), ss., 240(5)(o), Sch. 24 para. 5; S.I. 2012/628, art. 3(b)S. 457(2A) inserted (with effect in accordance with Sch. 3 para. 30-36 of the amending Act) by Finance (No. 2) Act 2023 (c. 30), Sch. 3 para. 27(3)Words in s. 457(1) inserted (with effect in accordance with Sch. 3 para. 30-36 of the amending Act) by Finance (No. 2) Act 2023 (c. 30), Sch. 3 para. 27(2)Pt. 5 modified (for the tax year 2026-27 and subsequent tax years (but in relation to investment management services whenever performed)) by 2005 c. 5, Sch. A1 para. 35(7) (as inserted by Finance Act 2026 (c. 11), s. 58(6), Sch. 11 para. 1)