Hunanasesiad: gwybodaeth ychwanegol (SA101)
Defnyddiwch dudalennau atodol SA101 i nodi mathau llai cyffredin o incwm, didyniadau a rhyddhad treth ar eich SA100 Ffurflen Dreth.
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Defnyddiwch dudalennau atodol SA101 wrth gyflwyno eich SA100 Ffurflen Dreth i nodi mathau llai cyffredin o incwm, didyniadau a rhyddhad treth, a rhoi gwybodaeth ynghylch colledion Treth Incwm, taliadau pensiwn a chynlluniau arbed treth.
Updates to this page
Cyhoeddwyd ar 23 Ebrill 2014Diweddarwyd ddiwethaf ar 14 Mai 2024 + show all updates
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The additional information notes for tax year 2023 to 2024 have been updated.
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The additional information form and notes have been added for tax year 2023 to 2024.
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The form additional information notes have been added for tax year 2022 to 2023.
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The additional information form and notes have been added for tax year 2021 to 2022. The form and notes for 2018 have been removed.
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Form and notes added for tax year 2020 to 21.
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New versions of the pages and notes have been added for the 2019 to 2020 tax year.
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The English and Welsh additional information notes for 2018 to 2019 have been updated.
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The Additional information form and notes have been added for tax year 2018 to 2019.
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The form and notes have been added for tax year 2017 to 2018.
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The form and notes have been added for tax year 2016 to 2017.
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Rates, allowances and duties have been updated for the tax year 2016 to 2017.
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Updates made to SA101 Notes (2015).
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The 2015 to 2016 form has been added to this page.
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Added translation