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Gwiriadau cydymffurfio: Cosbau am beidio â dweud wrth CThEF am dan-asesiad — CC/FS7b

Mae’r daflen wybodaeth hon yn rhoi gwybod i chi am y cosbau y gallai CThEF eu codi os bu tan-asesiad ac na roesoch wybod i ni amdano cyn pen 30 diwrnod.

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Arweiniad yn unig yw’r taflenni gwybodaeth hyn sy’n adlewyrchu safbwynt Cyllid a Thollau ar adeg eu hysgrifennu.

Updates to this page

Cyhoeddwyd ar 31 Awst 2012
Diweddarwyd ddiwethaf ar 25 Chwefror 2022 + show all updates
  1. Information about asking someone else to deal with HMRC on your behalf, your rights when we're considering penalties and if you're not happy with our services has been updated.

  2. This factsheet has been updated to include new legislation about when a penalty is restricted because of the timing of the disclosure.

  3. New factsheet has been published.

  4. First published.

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