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Ffurflen

Cais am gyfeirnod Treth Etifeddiant (IHT422)

Gwneud cais am gyfeirnod Treth Etifeddiant cyn anfon ffurflen IHT400 a thalu’ch treth.

Gan:
Cyllid a Thollau EF
Cyhoeddwyd:
4 Ebrill 2014
Diweddarwyd ddiwethaf:
5 Mehefin 2026 — Gweld pob diweddariad

Dogfennau

Cais am gyfeirnod Treth Etifeddiant (IHT422)

https://www.tax.service.gov.uk/submissions/new-form/request-an-inheritance-tax-reference

Darllenwch y datganiad hygyrchedd ar gyfer ffurflenni CThEM (yn agor tudalen Saesneg)

https://www.gov.uk/guidance/accessibility-statement-for-hmrc-interactive-forms

Manylion

Os oes arnoch Dreth Etifeddiant, defnyddiwch y ffurflen hon i ofyn am gyfeirnod Treth Etifeddiant cyn anfon ffurflen IHT400 (yn agor tudalen Saesneg).

Sut i ddefnyddio’r ffurflen ar-lein

Bydd angen i chi wneud cais gan ddefnyddio un o’r canlynol:

  • manylion mewngofnodi (os nad oes gennych fanylion mewngofnodi eisoes, gallwch eu creu)
  • cyfeiriad e-bost

Updates to this page

Cyhoeddwyd ar 4 Ebrill 2014
Diweddarwyd ddiwethaf ar 5 Mehefin 2026 Show all updates

  1. The form 'Apply for an Inheritance Tax reference (IHT422)' has been updated.

  2. The form has been updated to say we no longer issue payslips and that you should send cheques separate from any forms or letters you send to HMRC.

  3. The Inheritance Tax return address has been updated and the 'Tell us who is applying' section has been removed.

  4. A Welsh language version of the IHT422 form is now available.

  5. The IHT422 form has been amended to include the additional Inheritance Tax threshold (sometimes known as the Residence nil rate band or RNRB).

  6. IHT422 updated attachment replaced on the page.

  7. First published.

Argraffu'r dudalen hon

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