http://www.legislation.gov.uk/ukpga/2001/2/section/310/2024-04-06Capital Allowances Act 2001An Act to restate, with minor changes, certain enactments relating to capital allowances.2001-04-05texttext/xmlenStatute Law Database2026-04-15Expert Participation2024-04-06 Capital Allowances Act 2001s. 774E(5)(b)Finance Act 2008Sch. 20 para. 12(11)Capital Allowances Act 2001s. 29(1A)The Fire and Rescue Services (Northern Ireland) Order 2006Sch. 3 para. 24(b)art. 1(3)art. 2 Part 3Chapter 63101The basic rule is that the writing-down allowance for a chargeable period is—ain the case of qualifying enterprise zone expenditure, 25% of the expenditure, andbin the case of other qualifying expenditure, 4% of the expenditure.2The allowance is proportionately increased or reduced if the chargeable period is more or less than a year.3This basic rule does not apply if section 311 applies.Pt. 3 modified (24.2.2003) by Proceeds of Crime Act 2002 (c. 29), s. 458(1), Sch. 10 para. 18 (with Sch. 10 para. 21); S.I. 2003/120, art. 2, Sch. (with arts. 3 4) (as amended (20.2.2003) by S.I. 2003/333, art. 14) S. 45H(2) modified (with effect in accordance with s. 167 of the amending Act) by Finance Act 2003 (c. 14) , Sch. 30 para. 7 Pt. 3 modified (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 4 para. 5 ; S.I. 2004/2575 , art. 2(1) , Sch. 1 Pt. 3 modified (E.W.S.) (8.6.2005) by Railways Act 2005 (c. 14), s. 60(2), Sch. 10 para. 4; S.I. 2005/1444, art. 2(1), Sch. 1Pt. 3 modified (8.6.2005) by Railways Act 2005 (c. 14), s. 60(2), Sch. 10 para. 15; S.I. 2005/1444, art. 2(1), Sch. 1Pt. 3 modified (24.7.2005) by Railways Act 2005 (c. 14), s. 60(2), Sch. 10 para. 24; S.I. 2005/1909, art. 2, Sch.Pt. 3 restricted (19.7.2007) by Finance Act 2007 (c. 11), s. 36(1)-(3), (7)Pt. 3 omitted (with effect in relation to chargeable periods beginning on or after 1.4.2011 for corporation tax purposes and 6.4.2011 for income tax purposes in accordance with ss. 84(1)(3)(4), 85, 86 of the amending Act) by virtue of Finance Act 2008 (c. 9), s. 84(2) (with Sch. 27)Pt. 3 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 21(1)Pt. 3 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 38(1)