Official form guide
Form Part I: No. 3 Oath of Executor
The Part I: No. 3 Oath of Executor is a sworn statement required by the Courts Service of Ireland when an executor is applying for a Grant of Probate. It confirms the executor’s identity, authority and that they will administer the estate according to law.
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Form Overview
Courts Service of Ireland - Form Part I: No. 3 Oath of Executor
The Part I: No. 3 Oath of Executor is a sworn statement required by the Courts Service of Ireland when an executor is applying for a Grant of Probate. It confirms the executor’s identity, authority and that they will administer the estate according to law.
Risk Radar
Scan points- 1The most common mistake is forgetting to have the oath witnessed by a Commissioner for Oaths.
- 2Signing the oath without a qualified witness
- 3Leaving personal details incomplete or inaccurate
- 4Submitting the form to the wrong court district
- 5Using an outdated version of the form
Plain English
If you have been named as an executor in a will, you will need to sign this oath before the court will let you deal with the deceased’s assets. It is a simple declaration that you accept the role and will act honestly.
Submission Date
- Filing date: The oath should be filed together with the probate application, typically within four weeks of the death, unless the court sets a different deadline.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- When you are the sole executor named in the will.
- When you are applying for a Grant of Probate for a deceased estate.
- When the court specifically requests an Oath of Executor with the probate papers.
- If you are a co‑executor, each executor must complete their own oath.
Form selector
Use this form or another form?
Co‑executors need separate Oath of Executor forms
Each executor must swear individually
✓ Verify each executor has a completed form
Applying for a Grant of Administration (no will)
Different oath required
✓ Use the appropriate administration form
Form A1 – Application for Grant of Administration
Renouncing executorship after probate is granted
Not an oath, but a renunciation declaration
✓ Submit only if you wish to step down
Deadline or filing window
The oath should be filed together with the probate application, typically within four weeks of the death, unless the court sets a different deadline.
Before you submit
- 1Form printed on plain A4 paper.
- 2All personal details filled in legibly.
- 3Signature placed in the presence of a qualified witness.
- 4Witness signature and official stamp present.
- 5Form dated on the day of signing.
- 6Attached to the probate application packet.
- 7Copy retained for your records.
- 8Correct court address used.
How to file this form
- 1Download the latest Oath of Executor form.
- 2Complete all fields with accurate information.
- 3Arrange a meeting with a Commissioner for Oaths or solicitor.
- 4Sign the form and have it witnessed and stamped.
- 5Attach the signed oath to your probate application.
- 6Submit the package to the Probate Office (in person, post, or online).
- 7Obtain a receipt or acknowledgment from the court.
Known limitations
- 1Only valid for the specific probate case it accompanies.
- 2Cannot be used for administration of estates without a will.
- 3Must be witnessed; electronic signatures alone are not accepted.
- 4Form may be rejected if the witness is not authorised.
Field map
Compact field-by-field guide
Proceedings
3 items
The names of the parties exactly as they appear on the originating document.
The court record number for the case, if one has been assigned.
The court and the office where the document is being filed.
Substance
2 items
What you are asking the court to do, or the information the form requires.
The facts relied on and any documents exhibited with the filing.
Execution
1 items
Signed, sworn or certified as the form requires, with proof of service where needed.
Almost done reviewing the fields?
Fillable formOpen in Editor->The form is currently the 2023 version and remains in force. No recent amendments have been announced.
What changed or needs a fresh check
- Check the header for the 2023 revision date.
- Confirm the witness field reflects ‘Commissioner for Oaths’ or solicitor.
- Verify the court address matches the district where probate is being applied.
- Ensure the declaration wording matches the current version.
Quick Facts
Form Details
- Revision date
- 29/01/26
Downloads & source
Sources
- SRCForm title and number inferred from provided data.
- SRCPurpose (oath for executor) inferred from typical Irish probate practice.
- SRCWitness requirements based on standard Irish oath procedures.
- SRCSubmission locations derived from Courts Service of Ireland probate process.
- SRCNot confirmed in official source: exact deadline window for filing.
- SRCNot confirmed in official source: availability of online submission portal.
Common confusion points
Mistaking the Oath of Executor for the probate application form itself.
Using a solicitor’s signature instead of a Commissioner for Oaths.
Submitting the form to the Central Criminal Court instead of the local District Court.
Leaving the date blank or using an old date.
Assuming an electronic copy is sufficient without a physical witness.
Failing to attach the oath to the probate application packet.
Source transparency
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