Hunanasesiad: Hunangyflogaeth (llawn) (SA103F)
Defnyddiwch dudalennau atodol SA103F i gofrestru incwm hunangyflogedig ar eich Datganiad Treth SA100 os oedd eich trosiant blynyddol uwch na thraddodiad TAW ar gyfer y flwyddyn dreth.
Dogfennau
Manylion
Os ydych yn hunan gyflogedig, gan fod gennych faterion treth mwy cymhleth a’ch trothwy busnes blynyddol dros y trothwy TAW ar gyfer y flwyddyn dreth, defnyddiwch y fersiwn llawn o’r dudalen ategol hunan gyflogaeth pan fyddwch yn cyflwyno eich SA100 Ffurflen Dreth.
Updates to this page
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The form and self-employment (full) notes have been added for tax year 2024 to 2025. Versions from tax year 2020 to 2021 have been removed.
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The form and self-employment (full) notes have been added for tax year 2023 to 2024.
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The form and self-employment (full) notes have been added for tax year 2022 to 2023.
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The self-employment (full) form and notes have been added for tax year 2021 to 2022.
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The Self-employment (full) notes for tax year 2020 to 2021 have been updated.
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The Self-employment (full) form and notes have been added for tax year 2020 to 2021.
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The new version of the form and notes have been added for tax year 2019 to 2020.
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The working sheets on pages SEFN10 and SEFN11 have been amended within the Self Employment (full) 2018 PDF.
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The 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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The 2015 to 2016 form has been added to this page.
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Added translation