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					<dc:identifier>http://www.legislation.gov.uk/asc/2023/3/section/15/welsh</dc:identifier><dc:title>Deddf yr Amgylchedd Hanesyddol (Cymru) 2023</dc:title><dc:language>cy</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-03-27</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2026-02-18</dct:valid>
					
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									<ukm:Notes><ukm:Note IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/notes" DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/notes/welsh"/><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2023/3/pdfs/ascen_20230003_mi.pdf" Date="2023-07-07" Title="Explanatory Note" TitleWelsh="Nodiadau Esboniadol" Size="5004392" Language="Mixed"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2023/3/pdfs/ascen_20230003_we.pdf" Date="2023-07-07" Title="Explanatory Note" TitleWelsh="Explanatory Note" Size="2849313" Language="Welsh"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2023/3/pdfs/ascen_20230003_en.pdf" Date="2023-07-07" Title="Explanatory Note" Size="3977306"/></ukm:Alternatives>       
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				</ukm:Metadata><Primary><Body DocumentURI="http://www.legislation.gov.uk/asc/2023/3/body/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/body" NumberOfProvisions="213" NumberFormat="default" RestrictExtent="E+W" RestrictStartDate="2026-02-18"><Part DocumentURI="http://www.legislation.gov.uk/asc/2023/3/part/2/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/part/2" NumberOfProvisions="74" id="part-2" RestrictExtent="E+W" RestrictStartDate="2025-12-15"><Number>RHAN 2</Number><Title>HENEBION O DDIDDORDEB HANESYDDOL ARBENNIG</Title><Chapter DocumentURI="http://www.legislation.gov.uk/asc/2023/3/part/2/chapter/3/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/part/2/chapter/3" NumberOfProvisions="14" id="part-2-chapter-3" RestrictExtent="E+W" RestrictStartDate="2025-12-15"><Number>PENNOD 3</Number><Title>RHEOLAETHU GWAITH SY’N EFFEITHIO AR HENEBION COFRESTREDIG</Title><Pblock DocumentURI="http://www.legislation.gov.uk/asc/2023/3/part/2/chapter/3/crossheading/ceisiadau-am-gydsyniad-heneb-gofrestredig/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/part/2/chapter/3/crossheading/ceisiadau-am-gydsyniad-heneb-gofrestredig" NumberOfProvisions="3" id="part-2-chapter-3-crossheading-ceisiadau-am-gydsyniad-heneb-gofrestredig" RestrictExtent="E+W" RestrictStartDate="2024-11-04"><Title>Ceisiadau am gydsyniad heneb gofrestredig</Title><P1group ConfersPower="true" RestrictExtent="E+W" RestrictStartDate="2024-11-04"><Title>Declarasiynau o berchnogaeth mewn cysylltiad â heneb</Title><P1 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15" id="section-15">
                <Pnumber PuncAfter=""><CommentaryRef Ref="key-77a0a9d1b3a9860f45a0986cb52df7a4"/><CommentaryRef Ref="key-e3d3ab0079259333d2ad9fbbf2e76b37"/><CommentaryRef Ref="key-6b13397be5ed1f8be7f81cee660143ec"/>15</Pnumber>
                <P1para>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1" id="section-15-1">
                    <Pnumber>1</Pnumber>
                    <P2para>
                      <Text>Caiff Gweinidogion Cymru wrthod ystyried cais am gydsyniad heneb gofrestredig oni bai bod un o’r declarasiynau a ganlyn a lofnodwyd gan neu ar ran y ceisydd wedi ei gynnwys gyda’r cais—</Text>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/a" id="section-15-1-a">
                        <Pnumber>a</Pnumber>
                        <P3para>
                          <Text>declarasiwn nad oedd unrhyw berson ac eithrio’r ceisydd yn berchennog ar yr heneb ar ddechrau’r 21 o ddiwrnodau a ddaeth i ben â diwrnod y cais,</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/b" id="section-15-1-b">
                        <Pnumber>b</Pnumber>
                        <P3para>
                          <Text>declarasiwn bod y ceisydd wedi rhoi hysbysiad i’r holl bersonau (ac eithrio’r ceisydd) a oedd, ar ddechrau’r cyfnod hwnnw, yn berchnogion ar yr heneb, o’r pethau sy’n ofynnol gan is-adran (2) ac unrhyw reoliadau o dan is-adran (3),</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/c/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/c" id="section-15-1-c">
                        <Pnumber>c</Pnumber>
                        <P3para>
                          <Text>declarasiwn bod y ceisydd—</Text>
                          <P4 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/c/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/c/i" id="section-15-1-c-i">
                            <Pnumber>i</Pnumber>
                            <P4para>
                              <Text>yn methu â gwneud declarasiwn o dan baragraff (a) na (b),</Text>
                            </P4para>
                          </P4>
                          <P4 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/c/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/c/ii" id="section-15-1-c-ii">
                            <Pnumber>ii</Pnumber>
                            <P4para>
                              <Text>wedi rhoi hysbysiad i’r rhai hynny o’r personau a grybwyllir ym mharagraff (b) ac a enwir yn y declarasiwn, o’r pethau sy’n ofynnol gan is-adran (2) ac unrhyw reoliadau o dan is-adran (3), ond</Text>
                            </P4para>
                          </P4>
                          <P4 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/c/iii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/c/iii" id="section-15-1-c-iii">
                            <Pnumber>iii</Pnumber>
                            <P4para>
                              <Text>wedi methu â chanfod enwau a chyfeiriadau gweddill y personau a grybwyllir ym mharagraff (b), er iddo gymryd pob cam rhesymol i wneud hynny, neu</Text>
                            </P4para>
                          </P4>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/d/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/d" id="section-15-1-d">
                        <Pnumber>d</Pnumber>
                        <P3para>
                          <Text>declarasiwn bod y ceisydd—</Text>
                          <P4 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/d/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/d/i" id="section-15-1-d-i">
                            <Pnumber>i</Pnumber>
                            <P4para>
                              <Text>yn methu â gwneud declarasiwn o dan baragraff (a), a</Text>
                            </P4para>
                          </P4>
                          <P4 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/1/d/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/1/d/ii" id="section-15-1-d-ii">
                            <Pnumber>ii</Pnumber>
                            <P4para>
                              <Text>er iddo gymryd pob cam rhesymol i wneud hynny, wedi methu â chanfod enwau a chyfeiriadau unrhyw un o’r personau a grybwyllir ym mharagraff (b).</Text>
                            </P4para>
                          </P4>
                        </P3para>
                      </P3>
                    </P2para>
                  </P2>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/2/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/2" id="section-15-2">
                    <Pnumber>2</Pnumber>
                    <P2para>
                      <Text>Rhaid i hysbysiad at ddibenion is-adran (1)(b) neu (c)(ii)—</Text>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/2/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/2/a" id="section-15-2-a">
                        <Pnumber>a</Pnumber>
                        <P3para>
                          <Text>nodi’r heneb y mae’n ymwneud â hi (gan gynnwys cyfeiriad neu leoliad yr heneb, a’i henw (os oes un)),</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/2/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/2/b" id="section-15-2-b">
                        <Pnumber>b</Pnumber>
                        <P3para>
                          <Text>datgan bod cais am gydsyniad heneb gofrestredig i’w wneud mewn perthynas â’r heneb,</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/2/c/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/2/c" id="section-15-2-c">
                        <Pnumber>c</Pnumber>
                        <P3para>
                          <Text>nodi’r person sy’n gwneud y cais (a, phan fo’r ceisydd yn gwneud cais ar ran rhywun, nodi’r person arall), a</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/2/d/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/2/d" id="section-15-2-d">
                        <Pnumber>d</Pnumber>
                        <P3para>
                          <Text>disgrifio’r gwaith y mae’r cais yn ymwneud ag ef.</Text>
                        </P3para>
                      </P3>
                    </P2para>
                  </P2>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/3/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/3" id="section-15-3">
                    <Pnumber>3</Pnumber>
                    <P2para>
                      <Text>Caiff Gweinidogion Cymru drwy reoliadau bennu pethau ychwanegol y mae rhaid eu cynnwys mewn hysbysiad.</Text>
                    </P2para>
                  </P2>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/4/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/4" id="section-15-4">
                    <Pnumber>4</Pnumber>
                    <P2para>
                      <Text>Mae’n drosedd i berson gan ymhonni ei fod yn cydymffurfio â’r adran hon—</Text>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/4/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/4/a" id="section-15-4-a">
                        <Pnumber>a</Pnumber>
                        <P3para>
                          <Text>gwneud declarasiwn y mae’r person yn gwybod ei fod yn anwir neu’n gamarweiniol mewn modd perthnasol, neu</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/4/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/4/b" id="section-15-4-b">
                        <Pnumber>b</Pnumber>
                        <P3para>
                          <Text>yn ddi-hid, wneud declarasiwn sy’n anwir neu’n gamarweiniol mewn modd perthnasol.</Text>
                        </P3para>
                      </P3>
                    </P2para>
                  </P2>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/5/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/5" id="section-15-5">
                    <Pnumber>5</Pnumber>
                    <P2para>
                      <Text>Mae person sy’n euog o drosedd o dan is-adran (4) yn agored ar euogfarn ddiannod i ddirwy nad yw’n uwch na lefel 3 ar y raddfa safonol.</Text>
                    </P2para>
                  </P2>
                  <P2 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/6/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/6" id="section-15-6">
                    <Pnumber>6</Pnumber>
                    <P2para>
                      <Text>Yn yr adran hon ystyr “perchennog” yw—</Text>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/6/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/6/a" id="section-15-6-a">
                        <Pnumber>a</Pnumber>
                        <P3para>
                          <Text>perchennog ar yr ystad rydd-ddaliadol, neu</Text>
                        </P3para>
                      </P3>
                      <P3 DocumentURI="http://www.legislation.gov.uk/asc/2023/3/section/15/6/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2023/3/section/15/6/b" id="section-15-6-b">
                        <Pnumber>b</Pnumber>
                        <P3para>
                          <Text>tenant o dan les a roddir neu a estynnir am gyfnod penodol sydd ag o leiaf 7 mlynedd yn weddill.</Text>
                        </P3para>
                      </P3>
                    </P2para>
                  </P2>
                </P1para>
              </P1></P1group></Pblock></Chapter></Part></Body></Primary><Commentaries><Commentary Type="I" id="key-77a0a9d1b3a9860f45a0986cb52df7a4"><Para><Text>A. 15  ddim mewn grym ar y Cydsyniad Brenhinol, gweler <CitationSubRef id="nc374432dff054c13" SectionRef="section-212-2" URI="http://www.legislation.gov.uk/id/asc/2023/3/section/212/2" Operative="true">a. 212(2)</CitationSubRef></Text></Para></Commentary><Commentary id="key-6b13397be5ed1f8be7f81cee660143ec" Type="C"><Para><Text><CitationSubRef SectionRef="section-15" URI="http://www.legislation.gov.uk/id/asc/2023/3/section/15" id="cmhthr865-02143">A. 15</CitationSubRef> cymhwyswyd (gydag addasiadau) (4.11.2024) gan S.I. 1992/3138, rhl. 4A, Atod. 3 para. 1 (as wedi ei fewnosod gan <Citation Title="Rheoliadau Ceisiadau am Gydsyniad Heneb Gofrestredig (Cymru) 2024" URI="http://www.legislation.gov.uk/id/wsi/2024/932" Class="UnitedKingdomStatutoryInstrument" Year="2024" Number="932" id="cmhthr865-02144">Rheoliadau Ceisiadau am Gydsyniad Heneb Gofrestredig (Cymru) 2024 (O.S. 2024/932)</Citation>, <CitationSubRef SectionRef="regulation-1-2" URI="http://www.legislation.gov.uk/id/wsi/2024/932/regulation/1/2" CitationRef="cmhthr865-02144" id="cmhthr865-02145">rhlau. 1(2)</CitationSubRef>, <CitationSubRef SectionRef="regulation-3-4" URI="http://www.legislation.gov.uk/id/wsi/2024/932/regulation/3/4" CitationRef="cmhthr865-02144" Operative="true" id="cmhthr865-02146">3(4)</CitationSubRef><CitationSubRef SectionRef="regulation-3-6" URI="http://www.legislation.gov.uk/id/wsi/2024/932/regulation/3/6" CitationRef="cmhthr865-02144" id="cmhthr865-02147">(6)</CitationSubRef>)</Text></Para></Commentary><Commentary id="key-e3d3ab0079259333d2ad9fbbf2e76b37" Type="I"><Para><Text><CitationSubRef SectionRef="section-15" URI="http://www.legislation.gov.uk/id/asc/2023/3/section/15" id="cmhthr865-02154">A. 15</CitationSubRef> mewn grym ar 4.11.2024 gan <Citation Title="Gorchymyn Deddf yr Amgylchedd Hanesyddol (Cymru) 2023 (Cychwyn) 2024" URI="http://www.legislation.gov.uk/id/wsi/2024/860" Class="UnitedKingdomStatutoryInstrument" Year="2024" Number="860" id="cmhthr865-02155">O.S. 2024/860</Citation>, <CitationSubRef SectionRef="article-3-a" URI="http://www.legislation.gov.uk/id/wsi/2024/860/article/3/a" CitationRef="cmhthr865-02155" Operative="true" id="cmhthr865-02156">ergl. 3(a)</CitationSubRef></Text></Para></Commentary></Commentaries></Legislation>