Ffurflen

Rhoi gwybod i CThEF am dâl ymadael ar asedion mewn ymddiriedolaeth (IHT100c)

Defnyddiwch y ffurflen hon i roi gwybod i ni fod Treth Etifeddiant yn ddyledus ar ymadawiad ag ymddiriedolaeth.

Dogfennau

Manylion

Defnyddiwch yr IHT100c i roi gwybod i CThEF fod Treth Etifeddiant yn ddyledus ar ymddiriedolaeth.

Dewch o hyd i fersiynau hŷn o’r ffurflen hon drwy ymweld â wefan yr Archifau Gwladol (yn agor tudalen Saesneg).

Sut i gwblhau’r ffurflen

Mae angen i chi wneud y canlynol:

  1. Lawrlwytho’r ffurflen a’i chadw ar eich cyfrifiadur.

  2. Agor y ffurflen gan ddefnyddio Adobe Reader. Gallwch ddod o hyd i fersiwn diweddaraf am ddim o Adobe Reader gan ddefnyddio gwefan Adobe (yn agor tudalen Saesneg)

  3. Llenwi’r ffurflen ar y sgrin. Efallai na fydd y ffurflen yn gweithio os byddwch yn ceisio’i hagor yn eich porwr rhyngrwyd. Os nad yw’r ffurflen yn agor, cysylltwch â Gwasanaeth Cwsmeriaid Cymraeg CThEF.

Updates to this page

Cyhoeddwyd ar 4 Ebrill 2014
Diweddarwyd ddiwethaf ar 25 Gorffennaf 2025 show all updates
  1. Information about taxation conventions and reliefs available has been added to 'Section F: liabilities, exemptions and reliefs' of the attachment 'How to fill in form IHT100c'.

  2. Informational steps to support the completion of boxes H18, H19, J18 and J19 on the IHT100c form have been added to the 'How to fill in form IHT100c' attachment.

  3. Information about 'excluded property' held in trust that becomes relevant property from 6 April 2025 has been added. Guidance on completing schedule D31a of the 'Relevant property trusts proportionate (exit) charge (IHT100c)' form if the transferor was not a long-term UK resident has been added.

  4. A new version of the IHT100c form has been added.

  5. A new version of the IHT100c form and information about how to complete it has been added.

  6. First published.

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