<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/2026/4"/><FRBRuri value="http://www.legislation.gov.uk/id/asc/2026/4"/><FRBRdate date="2026-04-27" name="enacted"/><FRBRauthor href="http://www.legislation.gov.uk/id/legislature/WelshParliament"/><FRBRcountry value="GB-UKM"/><FRBRnumber value="4"/><FRBRname value="2026 c. 4"/><FRBRprescriptive value="true"/></FRBRWork><FRBRExpression><FRBRthis value="http://www.legislation.gov.uk/asc/2026/4/2026-06-27"/><FRBRuri 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href="#part-2-crossheading-compliance-notices" refersTo="#extent-e+w" type="jurisdiction"/><restriction href="#section-18" refersTo="#extent-e+w" type="jurisdiction"/><restriction refersTo="#period-from-2026-06-27" type="jurisdiction"/><restriction href="#body" refersTo="#period-from-2026-06-27" type="jurisdiction"/><restriction href="#part-2" refersTo="#period-from-2026-06-27" type="jurisdiction"/></restrictions><otherAnalysis source=""><uk:status href="#part-2-crossheading-compliance-notices" refersTo="#status-prospective"/><uk:status href="#section-18" refersTo="#status-prospective"/><uk:match href="#part-2-crossheading-compliance-notices" value="false"/><uk:match href="#section-18" value="false"/><uk:commentary href="#section-18" refersTo="#key-d29b87cc24b3aa18a8d271c023ec7057"/></otherAnalysis></analysis><temporalData source="#"><temporalGroup eId="period-from-2026-06-27"><timeInterval start="#date-2026-06-27" 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-d29b87cc24b3aa18a8d271c023ec7057" marker="I1"><p>S. 18  in force at 27.4.2028 (conditional on an earlier day not being appointed by Welsh Ministers), see <ref eId="n44baab5ba10a3325" class="subref operative" href="http://www.legislation.gov.uk/id/asc/2026/4/section/46/4/5">s. 46(4)(5)</ref>(6)(c)</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/2026/4/section/18</dc:identifier><dc:title>Environment (Principles, Governance and Biodiversity Targets) (Wales) Act 2026</dc:title><dc:language>en</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-07-16</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2026-06-27</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="4"/><ukm:EnactmentDate Date="2026-04-27"/><ukm:ISBN Value="9780348113983"/><ukm:UnappliedEffects><ukm:UnappliedEffect AffectedYear="2026" AffectingYear="2026" AffectedTerritorialApplication="W" EffectId="key-d29b87cc24b3aa18a8d271c023ec7057" AffectedURI="http://www.legislation.gov.uk/id/asc/2026/4" Row="19" Created="2026-06-17T12:08:45Z" URI="http://www.legislation.gov.uk/id/effect/key-d29b87cc24b3aa18a8d271c023ec7057" AffectedClass="WelshParliamentAct" AffectedNumber="4" Type="coming into force" AffectedExtent="E+W" RequiresApplied="true" AffectedProvisions="s. 18" RequiresWelshApplied="true" AffectingURI="http://www.legislation.gov.uk/id/asc/2026/4" AffectingClass="WelshParliamentAct" AffectingNumber="4" AffectingProvisions="s. 46(4)(5)(6)(c)"><ukm:AffectedTitle>Environment (Principles, Governance and Biodiversity Targets) (Wales) Act 2026</ukm:AffectedTitle><ukm:AffectedTitle xml:lang="cy">Deddf yr Amgylchedd (Egwyddorion, Llywodraethiant a Thargedau Bioamrywiaeth) (Cymru) 2026</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-18" URI="http://www.legislation.gov.uk/id/asc/2026/4/section/18">s. 18</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Environment (Principles, Governance and Biodiversity Targets) (Wales) Act 2026</ukm:AffectingTitle><ukm:AffectingTitle xml:lang="cy">Deddf yr Amgylchedd (Egwyddorion, Llywodraethiant a Thargedau Bioamrywiaeth) (Cymru) 2026</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="section-46-4" URI="http://www.legislation.gov.uk/id/asc/2026/4/section/46/4">s. 46(4)</ukm:Section><ukm:Section Ref="section-46-5" URI="http://www.legislation.gov.uk/id/asc/2026/4/section/46/5">(5)</ukm:Section><ukm:Section Ref="section-46-6-c" URI="http://www.legislation.gov.uk/id/asc/2026/4/section/46/6/c">s. 46(6)(c)</ukm:Section></ukm:AffectingProvisions><ukm:InForceDates><ukm:InForce Applied="false" WelshApplied="false" Date="2028-04-27" Qualification="other" OtherQualification="(conditional on an earlier day not being appointed by Welsh Ministers)"/></ukm:InForceDates></ukm:UnappliedEffect></ukm:UnappliedEffects></ukm:PrimaryMetadata><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/4/pdfs/asc_20260004_we.pdf" Date="2026-05-11" Size="2476535" Language="Welsh" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/4/pdfs/asc_20260004_en.pdf" Date="2026-05-11" Size="2493561" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/4/pdfs/asc_20260004_mi.pdf" Date="2026-05-11" Size="3286135" Language="Mixed" Print="true"/></ukm:Alternatives><ukm:Statistics><ukm:TotalParagraphs Value="92"/><ukm:BodyParagraphs Value="58"/><ukm:ScheduleParagraphs Value="34"/><ukm:AttachmentParagraphs Value="0"/><ukm:TotalImages Value="0"/></ukm:Statistics></proprietary></meta><body eId="body"><part eId="part-2"><num>PART 2</num><heading>THE OFFICE OF ENVIRONMENTAL GOVERNANCE WALES</heading><hcontainer name="crossheading" ukl:Name="Pblock" eId="part-2-crossheading-compliance-notices"><heading>Compliance notices</heading><section eId="section-18" uk:target="true"><num>18</num><heading>Compliance notices</heading><subsection eId="section-18-1"><num>(1)</num><intro><p>The OEGW may serve a compliance notice on a public authority if it considers that the public authority—</p></intro><level class="para1" eId="section-18-1-a"><num>(a)</num><content><p>is failing to comply with environmental law, or</p></content></level><level class="para1" eId="section-18-1-b"><num>(b)</num><content><p>has failed to comply with an information notice.</p></content></level></subsection><subsection eId="section-18-2"><num>(2)</num><intro><p>A compliance notice served under subsection (1)(a) must specify—</p></intro><level class="para1" eId="section-18-2-a"><num>(a)</num><content><p>the environmental law to which the alleged failure relates,</p></content></level><level class="para1" eId="section-18-2-b"><num>(b)</num><content><p>the conduct that has caused the OEGW to consider that the public authority is failing to comply with environmental law,</p></content></level><level class="para1" eId="section-18-2-c"><num>(c)</num><content><p>one or more actions the OEGW requires the authority to take in order to address the failure (which may include action intended to remedy or mitigate, or prevent any repeat of, the failure), and</p></content></level><level class="para1" eId="section-18-2-d"><num>(d)</num><content><p>the period within which each action must be taken.</p></content></level></subsection><subsection eId="section-18-3"><num>(3)</num><content><p>The period specified for each action for the purposes of subsection (2)(d) must be at least 30 days beginning with the day the notice was served (but see also section 19(2) (duration of specified period in urgent compliance notices)).</p></content></subsection><subsection eId="section-18-4"><num>(4)</num><intro><p>A compliance notice served under subsection (1)(b) must specify—</p></intro><level class="para1" eId="section-18-4-a"><num>(a)</num><content><p>why the OEGW considers the public authority has failed to comply with the information notice,</p></content></level><level class="para1" eId="section-18-4-b"><num>(b)</num><content><p>the action the OEGW requires the authority to take in order to address the failure, and</p></content></level><level class="para1" eId="section-18-4-c"><num>(c)</num><content><p>the period within which the action must be taken.</p></content></level></subsection><subsection eId="section-18-5"><num>(5)</num><intro><p>A compliance notice must also include—</p></intro><level class="para1" eId="section-18-5-a"><num>(a)</num><content><p>information about the right to request a review of a compliance notice, including the period within which the request must be made, and</p></content></level><level class="para1" eId="section-18-5-b"><num>(b)</num><content><p>an explanation of the consequences of failing to take the action specified in the notice.</p></content></level></subsection><subsection eId="section-18-6"><num>(6)</num><intro><p>The OEGW may, by giving notice to the public authority on whom a compliance notice was served—</p></intro><level class="para1" eId="section-18-6-a"><num>(a)</num><content><p>withdraw the compliance notice;</p></content></level><level class="para1" eId="section-18-6-b"><num>(b)</num><content><p>vary the compliance notice.</p></content></level></subsection><subsection eId="section-18-7"><num>(7)</num><content><p>A compliance notice under subsection (1)(a) may not require any action to be taken in respect of an administrative decision taken by a public authority in relation to a particular person or case (for example, a decision on an application for planning permission, funding or a licence, or a decision on regulatory enforcement in a specific case).</p></content></subsection></section></hcontainer></part></body></act></akomaNtoso>