Beth sy’n digwydd os ydym wedi talu gormod o gredydau treth i chi
Mae’r daflen COP26 hon yn rhoi gwybodaeth fanwl am ordaliadau credydau treth.
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Mae’r ‘Cod Ymarfer’ (COP26) hwn yn rhoi gwybodaeth fanwl am ordaliadau credydau treth, gan gynnwys:
- pam mae gordaliadau’n gallu digwydd
- sut i ad-dalu gordaliad (a phryd nad oes angen i chi wneud hynny)
- herio adennill gordaliad
- yr hyn sy’n digwydd i’ch gordaliad os byddwch yn gofyn am i’ch dyfarniad credydau treth gael ei ailystyried
Mae hefyd yn cwmpasu’r hyn y dylech chi a’r Swyddfa Credydau Treth ei wneud er mwyn helpu i gael eich credydau treth yn gywir ac i osgoi gordaliad.
Nid yw’n berthnasol i Daliadau Costau Byw.
Updates to this page
Cyhoeddwyd ar 1 Hydref 2014Diweddarwyd ddiwethaf ar 6 Ebrill 2024 + show all updates
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Updated the English and Welsh versions of the 'What happens if you've been paid too much in tax credits (COP26)' PDF guide to the 2024 version.
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Updated the English and Welsh versions of the 'What happens if you've been paid too much in tax credits (COP26)' PDF guide to the 2023 version.
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Added Welsh translation.
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The COP26 leaflet has been updated for tax year 2022.
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English and Welsh versions of the COP26 have been updated to reflect changes effective from 6 April 2021.
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English and Welsh versions of the COP26 have been updated to reflect changes effective from 6 April 2020.
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English and Welsh versions of the COP26 have been updated to reflect changes effective from 6 April 2019.
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This guidance has been updated to reflect changes effective from 6 April 2018.
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This guidance has been updated to reflect changes effective from 6 April 2017.
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Rates, allowances and duties have been updated for the tax year 2016 to 2017.
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New versions of the COP26 and COP26 Welsh have been added to this page.
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The 2015 to 2016 form has been added to this page.
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Added translation