- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Gwreiddiol (Fel y'i Deddfwyd)
Income and Corporation Taxes Act 1988, PART I is up to date with all changes known to be in force on or before 19 November 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.
Revised legislation carried on this site may not be fully up to date. Changes and effects are recorded by our editorial team in lists which can be found in the ‘Changes to Legislation’ area. Where those effects have yet to be applied to the text of the legislation by the editorial team they are also listed alongside the legislation in the affected provisions. Use the ‘more’ link to open the changes and effects relevant to the provision you are viewing.
Whole provisions yet to be inserted into this Act (including any effects on those provisions):
F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F1S. 1 repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 2, Sch. 3 Pt. 1 (with Sch. 2)
F3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F2S. 1A inserted (with effect in accordance with s. 73(3) of the amending Act) by Finance Act 1996 (c. 8), s. 73(1)
F3S. 1A repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 2, Sch. 3 Pt. 1 (with Sch. 2)
F6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F4S. 1B inserted (with effect in accordance with s. 31(6) of the amending Act) by Finance (No. 2) Act 1997 (c. 58), s. 31(5)
F5Words in s. 1B sidenote substituted (6.4.2005 with effect in accordance with s. 883(1) of the amending Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), Sch. 1 para. 4(5) (with Sch. 2)
F6S. 1B repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 2, Sch. 3 Pt. 1 (with Sch. 2)
F7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F7S. 2 repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 2, Sch. 3 Pt. 1 (with Sch. 2)
F8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F8S. 3 repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 3, Sch. 3 Pt. 1 (with Sch. 2)
F9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F9S. 4 repealed (6.4.2007 with effect in accordance with s. 1034(1) of the repealing Act) by Income Tax Act 2007 (c. 3), Sch. 1 para. 4, Sch. 3 Pt. 1 (with Sch. 2)
F10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F10S. 5 repealed (with effect in accordance with s. 199(2) and Sch. 26 Pt. 5(23) Note 2 of the amending Act) by Finance Act 1994 (c. 9), s. 258, Sch. 26 Pt. 5(23); S.I. 1998/3173, art. 2
(1)F11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2)F11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(3)F11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4)F12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
[F13(4A)F14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
F15(5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F11S. 6(1)-(3) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 2(2), Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F12S. 6(4) repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 2, Sch. 3 Pt. 1 (with Sch. 2)
F13S. 6(4A) inserted (6.4.2005 with effect in accordance with s. 883(1) of the amending Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), Sch. 1 para. 6 (with Sch. 2)
F14S. 6(4A) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 2(4), Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F15S. 6(5) repealed (1.4.2010 with effect in accordance with s. 381(1) of the repealing Act) by Taxation (International and Other Provisions) Act 2010 (c. 8), Sch. 7 para. 36, Sch. 10 Pt. 12 (with Sch. 9 Pt. 1)
F16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F16S. 7 repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 3, Sch. 3 Pt. 1 (with Sch. 2)
F17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F17S. 8 repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 3, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F18S. 8A inserted (27.7.1993) by 1993 c. 34, s. 206(2)
F19S. 8A repealed (29.4.1996) by Finance Act 1996 (c. 8), ss. 138, 205, Sch. 24 para. 10, Sch. 41
(1)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
[F21(2A)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2B)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2C)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
(3)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4)F20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(5)Where F22. . . any enactment applies both to income tax and to corporation tax—
(a)it shall not be affected in its operation by the fact that they are distinct taxes but, so far as is consistent with the Corporation Tax Acts, shall apply in relation to income tax and corporation tax as if they were one tax, so that, in particular, a matter which in a case involving two individuals is relevant for both of them in relation to income tax shall in a like case involving an individual and a company be relevant for him in relation to that tax and for it in relation to corporation tax; and
(b)for that purpose references in any such enactment to a relief from or charge to income tax, or to a specified provision of the Income Tax Acts shall, in the absence of or subject to any express adaptation, be construed as being or including a reference to any corresponding relief from or charge to corporation tax, or to any corresponding provision of the Corporation Tax Acts.
(6)F23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F20S. 9(1)-(4) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 4(2), Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F21S. 9(2A)-(2C) inserted (6.4.2005 with effect in accordance with s. 883(1) of the amending Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), Sch. 1 para. 7(2) (with Sch. 2)
F22Words in s. 9(5) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 4(3), Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F23S. 9(6) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 4(4), Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
Modifications etc. (not altering text)
C1S. 9 restricted (24.3.2005) by Income Tax (Trading and Other Income) Act 2005 (c. 5), ss. 881, 883(3)(b) (with Sch. 2)
F24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F24S. 10 repealed (with effect in accordance with s. 199(2) of the amending Act) by Finance Act 1994 (c. 9), s. 258, Sch. 26 Part 5(23), Note 4; S.I. 1998/3173, art. 2
[F25(1)F26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2)F26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2A)F26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
(3)F27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4)F27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F25S. 11(1)-(2A) substituted for s. 11(1)(2) (with effect in accordance with s. 149(6) of the amending Act) by Finance Act 2003 (c. 14), s. 149(1)
F26S. 11(1)-(2A) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 5, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F27S. 11(3)(4) repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 4, Sch. 3 Pt. 1 (with Sch. 2)
F29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F28S. 11AA inserted (with effect in accordance with s. 149(6) of the amending Act) by Finance Act 2003 (c. 14), s. 149(2)
F29S. 11AA repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 6, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
(1)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(2)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(3)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(5)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
[F31(5A)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
[F32(5B)F33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
(6)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(7)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
[F34(7ZA)F30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
[F35(7A)F36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
F38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
[F40[F41(7C)F36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]]
(8)Where it appears to the inspector that the beginning or end of any accounting period of a company is uncertain, he may make an assessment on the company for such period, not exceeding 12 months, as appears to him appropriate, and that period shall be treated for all purposes as an accounting period of the company unless either—
(a)the inspector on further facts coming to his knowledge sees fit to revise it; or
(b)on an appeal against the assessment in respect of some other matter the company shows the true accounting periods;
and if on an appeal against an assessment made by virtue of this subsection the company shows the true accounting periods, the assessment appealed against shall, as regards the period to which it relates, have effect as an assessment or assessments for the true accounting periods, and there may be made such other assessments for any such periods or any of them as might have been made at the time when the assessment appealed against was made.
[F42(9)F43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F30S. 12(1)-(7ZA) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 7, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F31S. 12(5A) inserted (with effect as mentioned in Sch. 4 para. 11(4) of the amending Act) by Finance Act 1996 (c. 8), s. 79, Sch. 24 para. 11(3)
F32S. 12(5B) inserted (with effect in accordance with Sch. 41 para. 5(1) of the amending Act) by Finance Act 2003 (c. 14), Sch. 41 para. 1(3)
F33S. 12(1)-(7ZA) repealed (with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 7, Sch. 3 Pt. 1 (with Sch. 2 Pt. 12)
F34S. 12(7ZA) inserted (with effect in accordance with Sch. 41 para. 5(1) of the amending Act) by Finance Act 2003 (c. 14), Sch. 41 para. 1(5)
F35S. 12(7A) inserted by Finance Act 1990 (c. 29), s.48, Sch.9 para.3 (in relation to transfers of business on or after 1.11.1990)
F36S. 12(7A)(7C) omitted (19.2.2008 with effect in accordance with art. 1(2) of the repealing S.I.) by virtue of The Insurance Business Transfer Schemes (Amendment of the Corporation Tax Acts) Order 2008 (S.I. 2008/381), arts. 1(1), 3
F37S. 12(7B) inserted (with effect in accordance with art. 14(4) of the amending S.I.) by The Financial Services and Markets Act 2000 (Consequential Amendments) (Taxes) Order 2001 (S.I. 2001/3629), art. 14(3)
F38S. 12(7B): words and definition of "contracts of long-term insurance" repealed (with effect in accordance with Sch. 10 para. 17(2) of the repealing Act) by Finance Act 2007 (c. 11), Sch. 10 para. 14(2)(a), Sch. 27 Pt. 2(10), Note
F39S. 12(7B): definition of "insurance business transfer scheme" repealed (with effect in accordance with Sch. 9 para. 17(1) of the repealing Act) by Finance Act 2007 (c. 11), Sch. 9 para. 1(2)(a), Sch. 27 Pt. 2(9), Note
F40S. 12(7C) inserted (with effect in accordance with Sch. 9 para. 20(7) of the amending Act) by Finance (No. 2) Act 2005 (c. 22), Sch. 9 para. 20(3)
F41S. 12(7C) substituted (with effect in accordance with Sch. 9 para. 17(1) of the amending Act) by Finance Act 2007 (c. 11), Sch. 9 para. 3(2)
F42S. 12(9) inserted (with effect in accordance with Sch. 10 para. 2 of the amending Act) by Finance Act 2006 (c. 25), Sch. 10 para. 43(2)
F43S. 12(9) repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 7, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F44Ss. 13-13A repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 5, Sch. 3 Pt. 1 (with Sch. 2)
F46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F45S. 13ZA inserted (with application in accordance with s. 86(6) of the amending Act) by Finance Act 2001 (c. 9), s. 86(5)
F46Ss. 13-13A repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 5, Sch. 3 Pt. 1 (with Sch. 2)
F48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F47S. 13AA inserted (with effect in accordance with s. 28(6)(7) of the amending Act) by Finance Act 1999 (c. 16), s. 28(1)
F48S. 13AA repealed (with effect in accordance with s. 26(8)-(11) of the repealing Act) by Finance Act 2006 (c. 25), s. 26(1), Sch. 26 Pt. 3(1), Note
F50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F49S. 13AB inserted (with effect in accordance with s. 28(4)(5) of the amending Act) by Finance Act 2004 (c. 12), s. 28(1)(6)
F50S. 13AB repealed (with effect in accordance with s. 26(8)-(11) of the repealing Act) by Finance Act 2006 (c. 25), s. 26(2), Sch. 26 Pt. 3(1), Note
F52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .]
Textual Amendments
F51S. 13A inserted (in relation to accounting periods beginning after 31 March 1989) by Finance Act 1989 (c. 26), s. 105(2)(3)
F52Ss. 13-13A repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 5, Sch. 3 Pt. 1 (with Sch. 2)
F53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F53S. 14 repealed (1.4.2010 with effect in accordance with s. 1184(1) of the repealing Act) by Corporation Tax Act 2010 (c. 4), Sch. 1 para. 6, Sch. 3 Pt. 1 (with Sch. 2)
F54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F54S. 15 repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 8, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F55S. 16 repealed (with effect from 6.4.1988) by Finance Act 1988 (c. 39) s.148, Sch.14 Pt. V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F56S. 17 repealed (with effect in accordance with Sch. 7 para. 32 and Sch. 41 Pt. 5(2) Note of the repealing Act) by Finance Act 1996 (c. 8), ss. 79, 205, Sch. 7 para. 3, Sch. 41 Pt. V(2), Note (with Sch. 7 paras. 33-35)
F57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F57S. 18 repealed (1.4.2009 with effect in accordance with s. 1329(1) of the repealing Act) by Corporation Tax Act 2009 (c. 4), Sch. 1 para. 9, Sch. 3 Pt. 1 (with Sch. 2 Pts. 1, 2)
F58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F58S. 19 repealed (6.4.2003 with effect in accordance with s. 723(1) of the repealing Act) by Income Tax (Earnings and Pensions) Act 2003 (c. 1), s. 723, Sch. 6 para. 6, Sch 8 Pt. 1 (with Sch. 7)
F59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F59S. 20 repealed (6.4.2005 with effect in accordance with s. 883(1) of the repealing Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), Sch. 1 para. 10, Sch. 3 (with Sch. 2)
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