<akomaNtoso xmlns:uk="https://www.legislation.gov.uk/namespaces/UK-AKN" xmlns:ukl="http://www.legislation.gov.uk/namespaces/legislation" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://docs.oasis-open.org/legaldocml/ns/akn/3.0" xsi:schemaLocation="http://docs.oasis-open.org/legaldocml/ns/akn/3.0 http://docs.oasis-open.org/legaldocml/akn-core/v1.0/cos01/part2-specs/schemas/akomantoso30.xsd"><act name="asc"><meta><identification source="#"><FRBRWork><FRBRthis value="http://www.legislation.gov.uk/id/asc/2026/5"/><FRBRuri value="http://www.legislation.gov.uk/id/asc/2026/5"/><FRBRdate date="2026-04-27" name="enacted"/><FRBRauthor href="http://www.legislation.gov.uk/id/legislature/WelshParliament"/><FRBRcountry value="GB-UKM"/><FRBRnumber value="5"/><FRBRname value="2026 c. 5"/><FRBRprescriptive value="true"/></FRBRWork><FRBRExpression><FRBRthis value="http://www.legislation.gov.uk/asc/2026/5/2026-04-28"/><FRBRuri 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href="#part-5-crossheading-exercise-of-functions-by-building-safety-authorities-and-fire-safety-authorities" refersTo="#extent-e+w" type="jurisdiction"/><restriction href="#section-128" refersTo="#extent-e+w" type="jurisdiction"/><restriction refersTo="#period-from-2026-04-28" type="jurisdiction"/><restriction href="#body" refersTo="#period-from-2026-04-28" type="jurisdiction"/><restriction href="#part-5" refersTo="#period-from-2026-04-28" type="jurisdiction"/></restrictions><otherAnalysis source=""><uk:status href="#part-5-crossheading-exercise-of-functions-by-building-safety-authorities-and-fire-safety-authorities" refersTo="#status-prospective"/><uk:status href="#section-128" refersTo="#status-prospective"/><uk:match href="#part-5-crossheading-exercise-of-functions-by-building-safety-authorities-and-fire-safety-authorities" value="false"/><uk:match href="#section-128" value="false"/><uk:commentary href="#section-128" refersTo="#key-13630ea4311478fbb5c728d33753a77c"/></otherAnalysis></analysis><temporalData source="#"><temporalGroup eId="period-from-2026-04-28"><timeInterval start="#date-2026-04-28" refersTo="#"/></temporalGroup></temporalData><references source="#"><TLCEvent eId="enactment" href="" showAs="EnactmentDate"/><TLCLocation eId="extent-e+w" href="/ontology/jurisdictions/uk.EnglandWales" showAs="E+W"/><TLCConcept eId="status-prospective" href="" showAs="Prospective"/></references><notes source="#"><note ukl:Name="Commentary" ukl:Type="I" class="commentary I" eId="key-13630ea4311478fbb5c728d33753a77c" marker="I1"><p>S. 128  not in force at Royal Assent, see <ref eId="n12f8302d49057cb0" class="subref operative" href="http://www.legislation.gov.uk/id/asc/2026/5/section/138/2">s. 138(2)</ref></p></note></notes><proprietary xmlns:ukm="http://www.legislation.gov.uk/namespaces/metadata" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dct="http://purl.org/dc/terms/" source="#"><dc:identifier>http://www.legislation.gov.uk/asc/2026/5/section/128</dc:identifier><dc:title>Building Safety (Wales) Act 2026</dc:title><dc:language>en</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-06-22</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2026-04-28</dct:valid><ukm:PrimaryMetadata><ukm:DocumentClassification><ukm:DocumentCategory Value="primary"/><ukm:DocumentMainType Value="WelshParliamentAct"/><ukm:DocumentStatus Value="revised"/></ukm:DocumentClassification><ukm:Year Value="2026"/><ukm:Number Value="5"/><ukm:EnactmentDate Date="2026-04-27"/><ukm:ISBN Value="9780348114010"/><ukm:UnappliedEffects><ukm:UnappliedEffect AffectedClass="WelshParliamentAct" URI="http://www.legislation.gov.uk/id/effect/key-bbac9b7e46c2966994979834587ecbda" Row="133" Type="coming into force" AffectedTerritorialApplication="W" AffectingClass="WelshParliamentAct" AffectedURI="http://www.legislation.gov.uk/id/asc/2026/5" AffectingYear="2026" Modified="2026-06-25T12:30:20Z" EffectId="key-bbac9b7e46c2966994979834587ecbda" AffectingURI="http://www.legislation.gov.uk/id/asc/2026/5" AffectedNumber="5" AffectedYear="2026" AffectingProvisions="s. 138(2)" RequiresApplied="true" AffectedProvisions="s. 128" AffectingNumber="5" RequiresWelshApplied="true" AffectedExtent="E+W"><ukm:AffectedTitle>Building Safety (Wales) Act 2026</ukm:AffectedTitle><ukm:AffectedTitle xml:lang="cy">Deddf Diogelwch Adeiladau (Cymru) 2026</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-128" URI="http://www.legislation.gov.uk/id/asc/2026/5/section/128">s. 128</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Building Safety (Wales) Act 2026</ukm:AffectingTitle><ukm:AffectingTitle xml:lang="cy">Deddf Diogelwch Adeiladau (Cymru) 2026</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="section-138-2" URI="http://www.legislation.gov.uk/id/asc/2026/5/section/138/2">s. 138(2)</ukm:Section></ukm:AffectingProvisions><ukm:InForceDates><ukm:InForce Applied="false" WelshApplied="false" Prospective="true" Qualification=""/></ukm:InForceDates></ukm:UnappliedEffect></ukm:UnappliedEffects></ukm:PrimaryMetadata><ukm:Notes><ukm:Note IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/128/notes" DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/128/notes"/><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_we.pdf" Date="2026-05-22" Title="Explanatory Note" TitleWelsh="Nodiadau Esboniadol - Welsh" Size="2726839" Language="Welsh"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_mi.pdf" Date="2026-05-22" Title="Explanatory Note - Mixed Language" TitleWelsh="Explanatory Note - Mixed Language" Size="4566700" Language="Mixed"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_en.pdf" Date="2026-05-22" Title="Explanatory Note - English" Size="3600739"/></ukm:Alternatives></ukm:Notes><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_we.pdf" Date="2026-05-15" Size="3365606" Language="Welsh" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_en.pdf" Date="2026-05-15" Size="4156974" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_mi.pdf" Date="2026-05-15" Size="5567976" Language="Mixed" Print="true"/></ukm:Alternatives><ukm:Statistics><ukm:TotalParagraphs Value="201"/><ukm:BodyParagraphs Value="156"/><ukm:ScheduleParagraphs Value="45"/><ukm:AttachmentParagraphs Value="0"/><ukm:TotalImages Value="0"/></ukm:Statistics></proprietary></meta><body eId="body"><part eId="part-5"><num>PART 5</num><heading>SUPPLEMENTARY AND GENERAL</heading><hcontainer name="crossheading" ukl:Name="Pblock" eId="part-5-crossheading-exercise-of-functions-by-building-safety-authorities-and-fire-safety-authorities"><heading>Exercise of functions by building safety authorities and fire safety authorities</heading><section eId="section-128" uk:target="true"><num>128</num><heading>Co-operation between building safety authorities and fire safety authorities</heading><subsection eId="section-128-1"><num>(1)</num><content><p>A building safety authority and a fire safety authority to which this section applies must so far as possible co-operate in the exercise of their relevant functions.</p></content></subsection><subsection eId="section-128-2"><num>(2)</num><content><p>This section applies to a building safety authority and a fire safety authority that have relevant functions in relation to the same regulated building or regulated buildings.</p></content></subsection><subsection eId="section-128-3"><num>(3)</num><content><p>Guidance under section 127 may include guidance about how a building safety authority and a fire safety authority are to comply with this section.</p></content></subsection></section></hcontainer></part></body></act></akomaNtoso>