Credyd Treth Plant a Chredyd Treth Gwaith: Pam fod gordaliadau’n codi WTC8
Cyngor ac enghreifftiau o sut y gall gordaliadau o gredydau treth godi.
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Manylion
Os cewch eich gordalu, efallai y byddwch yn meddwl pam y mae hynny wedi digwydd. Mae’r canlynol yn rhai o’r rhesymau mwyaf cyffredin sy’n esbonio pam y mae pobl yn cael eu gordalu.
Updates to this page
Diweddarwyd ddiwethaf ar 6 April 2021 + show all updates
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Annual tax year changes to English and Welsh WTC8.
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Annual tax year changes to English and Welsh WTC8.
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Annual tax year changes to English and Welsh WTC8.
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Annual tax year changes to English and Welsh WTC8.
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Annual Tax year changes update
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Annual tax year changes to the WTC8 and Welsh version available
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The 2015 to 2016 form has been added to this page.
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First published.