Fill and sign Form 11 online
Self-assessment income tax and capital gains tax return for the year ended 31 December 2025.
Form 11 at a glance
- Official name
- Form 11 Income Tax Return and Self-Assessment (2025)
- Issued by
- Revenue
- Country
- Ireland
- Category
- Tax
- Language
- English
- Who uses it
- Self-employed people, landlords, proprietary directors and PAYE workers with significant non-PAYE income.
- Signature
Check with the recipient
Not stated. The paper form asks you to sign and date the declaration and state your capacity. Mandatory e-filers must file through ROS instead of on paper.
Form 11 is Revenue's self-assessment return for chargeable persons in Ireland, such as the self-employed, landlords and proprietary directors. The current paper form covers 2025. Open the official form from revenue.ie in BunnyDoc's free Sign PDF tool straight from this page, type into its fillable fields, add your signature and date, and download it to print and post. Everything happens in your browser, so the file never leaves your device.
How to fill in and sign Form 11
Check whether you must file online
Revenue says mandatory e-filers must file through the Revenue Online Service (ROS) even if they received a paper form. Check the categories on revenue.ie before filing on paper.
Personal details (panel A)
Enter your identity, civil status, residence and domicile details.
Income panels (B to H)
Complete the panels that apply: self-employed income, Irish rental income, PAYE and pensions, foreign income, other Irish income and exempt income.
Deductions and credits (I to K)
Claim charges and deductions such as pension contributions, then personal tax credits and reliefs.
Capital gains, acquisitions and self-assessment (L to P)
Report chargeable gains and gifts or inheritances, then complete the self-assessment panel if you want to calculate your own tax.
Sign and post it by 31 October 2026
Sign and date the declaration and post the return to the Office of the Revenue Commissioners, Collector-General's Division, PO Box 354, Limerick. Write 'Freepost' above the address.
What you need before you start
- Your PPS number and tax reference.
- Accounts or records of trading income and expenses for 2025.
- Rental income and expense records.
- Details of employment income, pensions and benefits.
- Records of disposals, gifts and inheritances.
- The Form 11 helpsheet.
Deadlines and surcharges
The 2025 Form 11 is due by 31 October 2026, which is also the date any balance of 2025 tax is due. If you file a paper return by 31 August 2026, Revenue will calculate your self-assessment. Revenue extends the deadline to 18 November 2026 for people who both pay and file on ROS. Late returns attract a surcharge of 5% if filed within two months of the deadline, otherwise 10%. See Filing your tax return.
Common mistakes
- Filing on paper when you are a mandatory e-filer.
- Missing the surcharge deadline because the paper deadline is earlier than the ROS deadline.
- Leaving out capital gains or foreign income.
- Not signing the declaration.
Form 11: frequently asked questions
When is the Form 11 deadline for 2025?
31 October 2026 for paper returns. Revenue extends this to 18 November 2026 if you both pay and file through ROS.
Where do I post Form 11?
To the Office of the Revenue Commissioners, Collector-General's Division, PO Box 354, Limerick. Write 'Freepost' above the address and no stamp is needed.
Can I file Form 11 on paper?
Only if you are not a mandatory e-filer. Revenue recommends ROS for everyone.
What is the surcharge for a late Form 11?
5% of the tax if filed within two months of the deadline, otherwise 10%.
Is BunnyDoc connected to Revenue?
No. BunnyDoc is not affiliated with the Revenue Commissioners. We link to the official form on revenue.ie and give you a free tool to fill and sign it in your browser.
BunnyDoc is not affiliated with Revenue. Check that the recipient accepts electronic signatures.
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