Form CG1 helpsheet
The Form CG1 helpsheet is a guidance document issued by the Revenue Commissioners to assist taxpayers with completing the CG1 tax form. It provides step-by-step instructions and explanations for reporting tax obligations related to capital gains or other specified transactions.
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Form CG1 helpsheet
The Form CG1 helpsheet is a guidance document issued by the Revenue Commissioners to assist taxpayers with completing the CG1 tax form. It provides step-by-step instructions and explanations for reporting tax obligations related to capital gains or other specified transactions.
Risk Radar
- The most common mistake is miscalculating the taxable gain or loss, which can lead to underpayment or overpayment of tax.
- Incorrect calculation of gain or loss
- Missing supporting documentation
- Late submission leading to penalties
- Incomplete declaration sections
Plain English
This helpsheet breaks down the official CG1 form into simpler terms, making it easier for regular people to understand their tax reporting requirements. It explains what information you need to gather and how to correctly fill out each section of the form.
Submission Date
- The CG1 form must be submitted within 21 days of the notice date or by the annual tax return deadline, whichever is later. Late submissions may incur interest charges and penalties.
- 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 this helpsheet when completing the CG1 form issued by Revenue
- • Required for reporting capital gains or specified transactions
- • Necessary if you've received a notice specifically requesting CG1 completion
- • Appropriate for both individuals and businesses reporting certain gains
- • Use when you need to calculate tax on disposals of assets
Use this form or another form?
| Situation | Likely form | Why it matters | Check before you continue |
|---|---|---|---|
| Self-assessment tax return | Form 11 | For annual income reporting rather than specific transactions | Check if your gain is reported elsewhere on your return |
| Property disposal | Form CG1 (Property) Specific version for property transactions | Different calculations and thresholds apply | Verify if you need the property-specific version |
| Business asset disposal | Form CG1 (Business) | Different relief applications may be available | Confirm if business asset relief applies to your transaction |
| Inheritance of assets | Form IT38 | For reporting inherited assets rather than disposals | Check if you received or disposed of the asset |
Deadline or filing window
The CG1 form must be submitted within 21 days of the notice date or by the annual tax return deadline, whichever is later. Late submissions may incur interest charges and penalties.
Before you submit
- • All sections completed in full
- • Calculations verified with examples in helpsheet
- • Supporting documentation attached or referenced
- • Declaration signed and dated
- • Payment reference number included if applicable
- • Correct postage if submitting by post
- • Copy retained for your records
How to file this form
- 1Read the entire helpsheet to understand requirements
- 2Gather all relevant documents and transaction details
- 3Complete each section following the examples provided
- 4Verify calculations and check for completeness
- 5Submit online through ROS or by post as appropriate
- 6Keep a copy of the submitted form for your records
Known limitations
- • The helpsheet doesn't cover all possible asset types
- • Specific relief calculations may require additional guidance
- • International transactions may require separate considerations
- • Complex business disposals may need professional advice
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✦ Open in AI EditorCurrent Form Status
The current CG1 helpsheet is valid for the 2023 tax year. Always check the Revenue website for the latest version before completing your form.
Agency: Revenue Commissioners
What changed or needs a fresh check
- • Verify the current tax year on the form
- • Check for updated calculation examples
- • Confirm current tax rates and thresholds
- • Review any recent legislative changes affecting capital gains
- • Ensure you're using the latest Revenue guidance
Quick Facts
Form Details
- Agency
- Revenue Commissioners
- Category
- Tax Return Forms
- Source
- Tax Return Forms ↗
Downloads
Form CG1 helpsheet
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After you file
- • Allow 4-6 weeks for processing
- • Check your ROS account for updates
- • Respond promptly to any queries from Revenue
- • Keep all documentation for at least 6 years
- • Note the assessment date for future reference
Source and verification log
- • Form CG1 helpsheet issued by Revenue Commissioners
- • Available on Revenue Online Service (ROS)
- • Updated annually for tax year changes
- • Not confirmed in official source: specific calculation examples
- • Not confirmed in official source: current tax rates
- • Not confirmed in official source: exact submission deadlines
- • Not confirmed in official source: recent legislative changes
Common confusion points
7 things to watch for
- 1
Determining which assets are subject to capital gains tax
- 2
Calculating the base cost for inherited assets
- 3
Understanding available reliefs and exemptions
- 4
Distinguishing between capital gains and income
- 5
Reporting losses that can be offset against gains
- 6
Completing forms for jointly owned assets
- 7
Understanding the difference between CG1 and other tax forms
Related Guides & Resources
Irish Form CG1 - Form CG1 helpsheet
Irish REVENUE form CG1: Form CG1 helpsheet.
View →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.
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