<Legislation xmlns="http://www.legislation.gov.uk/namespaces/legislation" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2" NumberOfProvisions="1011" RestrictEndDate="2008-07-22" xsi:schemaLocation="http://www.legislation.gov.uk/namespaces/legislation http://www.legislation.gov.uk/schema/legislation.xsd" SchemaVersion="1.0" RestrictStartDate="2008-07-21" RestrictExtent="E+W+S+N.I."><ukm:Metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dct="http://purl.org/dc/terms/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:ukm="http://www.legislation.gov.uk/namespaces/metadata">
					<dc:identifier>http://www.legislation.gov.uk/ukpga/2001/2/section/450/2008-07-21</dc:identifier><dc:title>Capital Allowances Act 2001</dc:title><dc:description>An Act to restate, with minor changes, certain enactments relating to capital allowances.</dc:description><dc:date>2001-04-05</dc:date><dc:type>text</dc:type><dc:format>text/xml</dc:format><dc:language>en</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-05-01</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2008-07-21</dct:valid>
					
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					<ukm:PrimaryMetadata><ukm:DocumentClassification><ukm:DocumentCategory Value="primary"/><ukm:DocumentMainType Value="UnitedKingdomPublicGeneralAct"/><ukm:DocumentStatus Value="revised"/></ukm:DocumentClassification><ukm:Year Value="2001"/><ukm:Number Value="2"/><ukm:EnactmentDate Date="2001-03-22"/><ukm:ISBN Value="010540201X"/><ukm:UnappliedEffects><ukm:UnappliedEffect AffectingYear="2008" AffectingURI="http://www.legislation.gov.uk/id/ukpga/2008/9" AffectedURI="http://www.legislation.gov.uk/id/ukpga/2001/2" AffectingProvisions="Sch. 20 para. 12(11)" AffectedProvisions="s. 774E(5)(b)" EffectId="key-ce1e51e48850a7c05158f9f785445ac2" AffectedExtent="E+W+S+N.I." AffectingNumber="9" AffectedNumber="2" AppliedModified="2013-01-07T16:16:50.436Z" AffectedClass="UnitedKingdomPublicGeneralAct" URI="http://www.legislation.gov.uk/id/effect/key-ce1e51e48850a7c05158f9f785445ac2" Type="words omitted" RequiresApplied="false" Row="1534" AffectingClass="UnitedKingdomPublicGeneralAct" Modified="2024-05-22T14:09:27Z" AffectingEffectsExtent="E+W+S+N.I." AffectedYear="2001" Comments="ToEs error - this amendment relates to an Income &amp; Corporation Taxes Act. - ToEs error - this amendment relates to an Income &amp; Corporation Taxes Act. - ToEs error - this amendment relates to an Income &amp; Corporation Taxes Act. - ToEs error - this amendment relates to an Income &amp; Corporation Taxes Act. - ToEs error - this amendment relates to an Income &amp; Corporation Taxes Act."><ukm:AffectedTitle>Capital Allowances Act 2001</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section xmlns:err="http://www.legislation.gov.uk/namespaces/error" Ref="section-774E-5-b" URI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/774E/5/b" err:Ref="Section missing in legislation" Missing="true">s. 774E(5)(b)</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Finance Act 2008</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="schedule-20" URI="http://www.legislation.gov.uk/id/ukpga/2008/9/schedule/20">Sch. 20 </ukm:Section><ukm:Section Ref="schedule-20-paragraph-12-11" URI="http://www.legislation.gov.uk/id/ukpga/2008/9/schedule/20/paragraph/12/11">para. 12(11)</ukm:Section></ukm:AffectingProvisions><ukm:InForceDates><ukm:InForce Date="2008-07-21" Qualification="with effect in accordance with" OtherQualification="Sch. 20 para. 12(12)"/></ukm:InForceDates></ukm:UnappliedEffect><ukm:UnappliedEffect AffectingURI="http://www.legislation.gov.uk/id/nisi/2006/1254" AffectedExtent="E+W+S+N.I." AffectingYear="2006" Type="inserted" RequiresApplied="false" AffectingClass="NorthernIrelandOrderInCouncil" Row="274" Notes="S. 29 was repealed before this effect came into force." AffectingEffectsExtent="N.I." AffectingProvisions="Sch. 3 para. 24(b)" AffectedURI="http://www.legislation.gov.uk/id/ukpga/2001/2" AffectingNumber="1254" AffectedProvisions="s. 29(1A)" AffectedNumber="2" EffectId="key-374377247070896e7e348d251d4fb113" URI="http://www.legislation.gov.uk/id/effect/key-374377247070896e7e348d251d4fb113" AffectedClass="UnitedKingdomPublicGeneralAct" AffectedYear="2001" Modified="2024-05-22T14:09:27Z" Comments="provision previously repealed - amendment not required - TOEs states: &#34;provision previously repealed - amendment not required&#34; I think this PiT needs removing as a correction task? - TOEs states: &#34;provision previously repealed - amendment not required&#34; I think this PiT needs removing as a correction task? - TOEs states: &#34;provision previously repealed - amendment not required&#34; I think this PiT needs removing as a correction task?"><ukm:AffectedTitle>Capital Allowances Act 2001</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-29-1A" URI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/29/1A" FoundRef="section-29">s. 29(1A)</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>The Fire and Rescue Services (Northern Ireland) Order 2006</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="schedule-3" URI="http://www.legislation.gov.uk/id/nisi/2006/1254/schedule/3">Sch. 3 </ukm:Section><ukm:Section Ref="schedule-3-paragraph-24-b" URI="http://www.legislation.gov.uk/id/nisi/2006/1254/schedule/3/paragraph/24/b">para. 24(b)</ukm:Section></ukm:AffectingProvisions><ukm:CommencementAuthority><ukm:Section Ref="article-1-3" URI="http://www.legislation.gov.uk/id/nisi/2006/1254/article/1/3">art. 1(3)</ukm:Section></ukm:CommencementAuthority><ukm:InForceDates><ukm:InForce Prospective="true" Qualification=""/><ukm:InForce CommencingURI="http://www.legislation.gov.uk/id/nisr/2010/328" CommencingClass="NorthernIrelandStatutoryRule" Date="2010-11-15" Qualification="wholly in force" CommencingYear="2010" CommencingNumber="328" Applied="false"><ukm:CommencingProvisions><ukm:Section Ref="article-2" URI="http://www.legislation.gov.uk/id/nisr/2010/328/article/2">art. 2</ukm:Section></ukm:CommencingProvisions></ukm:InForce></ukm:InForceDates></ukm:UnappliedEffect><ukm:UnappliedEffect AffectedYear="2001" AffectingURI="http://www.legislation.gov.uk/id/asc/2026/7" AffectingNumber="7" AffectingYear="2026" AffectedNumber="2" RequiresApplied="true" AffectingTerritorialApplication="W" EffectId="key-d9e834daac7e9b97168c280ddc0ae531" AffectedClass="UnitedKingdomPublicGeneralAct" AffectingClass="WelshParliamentAct" AffectingProvisions="Sch. 2 para. 329(b)" AffectedURI="http://www.legislation.gov.uk/id/ukpga/2001/2" URI="http://www.legislation.gov.uk/id/effect/asc-2026-7-7j0muiu6-1208" AffectedProvisions="s. 436(2)(aa)" Created="2026-06-01T10:34:54Z" Row="1208" AffectingEffectsExtent="E+W" Type="inserted"><ukm:AffectedTitle>Capital Allowances Act 2001</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-436-2-aa" URI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/436/2/aa" FoundRef="section-436">s. 436(2)(aa)</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Planning (Consequential Provisions) (Wales) Act 2026</ukm:AffectingTitle><ukm:AffectingTitle xml:lang="cy">Deddf Cynllunio (Darpariaethau Canlyniadol) (Cymru) 2026</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="schedule-2" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/2">Sch. 2 </ukm:Section><ukm:Section Ref="schedule-2-paragraph-329-b" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/2/paragraph/329/b">para. 329(b)</ukm:Section></ukm:AffectingProvisions><ukm:Savings><ukm:Section Ref="schedule-5" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5">Sch. 5 </ukm:Section><ukm:Section Ref="schedule-5-part-1" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5/part/1">Pt. 1</ukm:Section></ukm:Savings><ukm:CommencementAuthority><ukm:Section Ref="section-5-2" URI="http://www.legislation.gov.uk/id/asc/2026/7/section/5/2">s. 5(2)</ukm:Section></ukm:CommencementAuthority><ukm:InForceDates><ukm:InForce Applied="false" Prospective="true" Qualification=""/></ukm:InForceDates></ukm:UnappliedEffect></ukm:UnappliedEffects></ukm:PrimaryMetadata>
					

                    
									<ukm:Notes><ukm:Note IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/450/notes" DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/section/450/notes"/><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/ukpga/2001/2/pdfs/ukpgaen_20010002_en_003.pdf" Date="2011-03-15" Title="Explanatory Note: Annex 2" Size="351827"/><ukm:Alternative URI="http://www.legislation.gov.uk/ukpga/2001/2/pdfs/ukpgaen_20010002_en_002.pdf" Date="2011-03-15" Title="Explanatory Note: Annex 1" Size="367346"/><ukm:Alternative URI="http://www.legislation.gov.uk/ukpga/2001/2/pdfs/ukpgaen_20010002_en_001.pdf" Date="2011-03-15" Title="Explanatory Note: Annex Content List" Size="85726"/><ukm:Alternative URI="http://www.legislation.gov.uk/ukpga/2001/2/pdfs/ukpgaen_20010002_en.pdf" Date="2011-03-15" Title="Explanatory Note" Size="867560"/></ukm:Alternatives>       
								</ukm:Notes> 
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				</ukm:Metadata><Primary><Body DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/body/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/body" NumberOfProvisions="743" RestrictEndDate="2008-07-22" RestrictStartDate="2008-07-21" RestrictExtent="E+W+S+N.I."><CommentaryRef Ref="key-58164374b224977bd25ed3211ef93cfb"/><Part DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/part/6/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/part/6" NumberOfProvisions="15" RestrictEndDate="2015-03-26" id="part-6" RestrictStartDate="2008-07-21"><Number><Strong>Part 6</Strong></Number><Title> Research and development allowances</Title><Chapter DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/part/6/chapter/5/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/part/6/chapter/5" NumberOfProvisions="2" RestrictEndDate="2015-03-26" id="part-6-chapter-5" RestrictStartDate="2001-03-22"><Number><Strong>Chapter 5</Strong></Number><Title> Supplementary provisions</Title><P1group RestrictEndDate="2015-03-26" RestrictStartDate="2001-03-22"><Title> Giving effect to allowances and charges</Title><P1 DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/section/450/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/450" id="section-450"><Pnumber PuncAfter="">450</Pnumber><P1para><Text>An allowance or charge to which a person is entitled or liable under this Part for a chargeable period is to be given effect in calculating the profits of the relevant trade, by treating—</Text><P3 DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/section/450/a/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/450/a" id="section-450-a"><Pnumber>a</Pnumber><P3para><Text>the allowance as an expense of the trade, and</Text></P3para></P3><P3 DocumentURI="http://www.legislation.gov.uk/ukpga/2001/2/section/450/b/2008-07-21" IdURI="http://www.legislation.gov.uk/id/ukpga/2001/2/section/450/b" id="section-450-b"><Pnumber>b</Pnumber><P3para><Text>the charge as a receipt of the trade.</Text></P3para></P3></P1para></P1></P1group></Chapter></Part></Body></Primary><Commentaries><Commentary id="key-58164374b224977bd25ed3211ef93cfb" Type="C"><Para><Text>
S. 45H(2)
 modified (with effect in accordance with s. 167 of the amending Act) by 
<Citation URI="http://www.legislation.gov.uk/id/ukpga/2003/14" id="c2g2g9vl2-00007" Class="UnitedKingdomPublicGeneralAct" Year="2003" Number="14" Title="Finance Act 2003">Finance Act 2003 (c. 14)</Citation>
, 
<CitationSubRef id="c2g2g9vl2-00008" CitationRef="c2g2g9vl2-00007" URI="http://www.legislation.gov.uk/id/ukpga/2003/14/schedule/30/paragraph/7" SectionRef="schedule-30-paragraph-7" Operative="true">Sch. 30 para. 7</CitationSubRef>
</Text></Para></Commentary></Commentaries></Legislation>