Form IT31
Form IT31 is an Irish tax form issued by the Revenue Commissioners for income tax purposes. It is used for reporting specific tax information or making declarations to the tax authority.
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Form IT31
Form IT31 is an Irish tax form issued by the Revenue Commissioners for income tax purposes. It is used for reporting specific tax information or making declarations to the tax authority.
Risk Radar
- Many people make errors by not completing all required sections or providing outdated information.
- Incorrect calculation of taxable amounts
- Missing required supporting documentation
- Late submission leading to penalties
- Inaccurate personal or business details
Plain English
This is a tax form that helps you report certain details to Revenue. If you're dealing with Irish income tax matters, you might need this form to provide information about your tax affairs.
Submission Date
- Deadlines typically align with the end of the tax year (December 31st) or specific quarterly reporting periods, but always check Revenue's website for the exact deadline applicable to your situation.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
What this form is for
- • Use when specifically requested by Revenue for your tax situation
- • Required for certain income tax declarations
- • May be needed for self-assessment tax returns
- • Different from other IT forms which serve different tax purposes
Use this form or another form?
| Situation | Likely form | Why it matters | Check before you continue |
|---|---|---|---|
| Self-employment income | Form 11 | Different reporting requirements for business income | Verify your income type before choosing |
| Rental income | Form 11 | Different reporting structure for property income | Check if expenses need separate documentation |
| Capital gains tax | Form CGT | Different rates and calculations | Determine if disposal qualifies for exemptions |
| PAYE income | Form 12 | Different pre-computed tax situation | Confirm if employer has already reported income |
| Non-resident tax matters | Form 1 | Different residency rules apply | Verify your tax residency status first |
Deadline or filing window
Deadlines typically align with the end of the tax year (December 31st) or specific quarterly reporting periods, but always check Revenue's website for the exact deadline applicable to your situation.
Before you submit
- • All sections completed with accurate information
- • Supporting documents attached if required
- • Form signed and dated where necessary
- • Correct payment included if applicable
- • Copy retained for your records
- • Check Revenue website for any last-minute updates
How to file this form
- 1Obtain the current version of Form IT31 from Revenue's website
- 2Complete all required sections with accurate information
- 3Gather necessary supporting documentation
- 4Submit through ROS portal, by post, or in person as appropriate
- 5Keep a copy for your records
- 6Follow up if you don't receive confirmation within expected timeframe
Known limitations
- • Not for all types of income reporting
- • May not cover international tax situations
- • Does not replace professional tax advice
- • May require additional forms for complete tax submission
Almost done reviewing?
✦ Open in AI EditorCurrent Form Status
This form is currently in use, but always check Revenue's website for the most up-to-date version before submitting.
Agency: Revenue Commissioners
What changed or needs a fresh check
- • Check for any recent changes in tax rates
- • Verify current personal tax credit amounts
- • Confirm updated contact information requirements
- • Review any new digital submission requirements
Quick Facts
Form Details
- Agency
- Revenue Commissioners
- Category
- Claim & Repayment Forms
- Source
- Claim Forms ↗
Downloads
After you file
- • Keep a copy of the submitted form
- • Note any reference number provided
- • Monitor for correspondence from Revenue
- • Prepare for potential follow-up requests
- • Include in annual tax documentation
Source and verification log
- • Form number IT31 issued by Revenue Commissioners
- • Revenue Online Service (ROS) is the primary submission portal
- • Tax forms follow Irish fiscal year (January to December)
- • Not confirmed in official source: specific purpose of IT31
- • Not confirmed in official source: exact sections on the form
- • Not confirmed in official source: current tax rates on the form
- • Not confirmed in official source: recent changes to the form
Common confusion points
5 things to watch for
- 1
Determining when this specific form is needed versus other IT forms
- 2
Understanding which sections apply to your situation
- 3
Knowing what supporting documentation is required
- 4
Differentiating between this form and self-assessment requirements
- 5
Understanding the implications of information provided
Related Guides & Resources
Irish Form No. 29 Notice of the Decision or Claim of the Revenue Commissioners - No. 29 Notice of the Decision or Claim of the Revenue Commissioners
Irish COURTS form No. 29 Notice of the Decision or Claim of the Revenue Commissioners: Appendix C: Notices, Affidavits etc - Forms in Superior Court Proceedings.
View →Irish Form 11 - Form 11
Irish REVENUE form 11: Form 11.
View →Irish Form Guide - Guide to completing 2018 Pay and File tax returns
Irish REVENUE form Guide: Guide to completing 2018 Pay and File tax returns.
View →Irish Form 12 - Form 12
Irish REVENUE form 12: Form 12.
View →Source transparency
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