Form CG1

What this form is for

• • Use this form for reporting capital gains on assets sold in Ireland
• • Use this form for corporate tax declarations if specifically required
• • Do not use this form for income tax returns - use Form 12 instead
• • Do not use this form for VAT matters - use Form VAT 3 instead
• • Consult Revenue's guidance if unsure which form applies to your situation

Use this form or another form?

Deadline or filing window

Form CG1 should typically be submitted by the annual tax return deadline, which is usually October 31st for the previous tax year. Not confirmed in official source.

Before you submit

• • All sections completed accurately
• • Correct personal or business details provided
• • Supporting documents attached if required
• • Form signed where necessary
• • Correct payment included if tax is due
• • Copy retained for personal records
• • Deadline checked and met

How to file this form

1. 1Obtain the latest version of Form CG1 from Revenue's website
2. 2Complete all sections with accurate information
3. 3Calculate any capital gains or tax amounts correctly
4. 4Gather required supporting documents
5. 5Submit through Revenue Online Service (ROS) or by post
6. 6Keep a copy of the submitted form for your records
7. 7Follow up with Revenue if you don't receive acknowledgment

Known limitations

• • Form CG1 may not cover all types of capital gains
• • Special rules may apply to certain assets or industries
• • Form may not be suitable for non-resident taxpayers
• • Additional forms may be required for complex situations
• • Form may not be accepted if not completed correctly