IEREVENUECapital Acquisitions Tax

Official form guide

Form CA26

Form CA26 is an Irish tax form issued by the Revenue Commissioners for reporting certain corporate tax matters. It is used when companies need to make specific declarations or claims related to their tax affairs.

Need help with Form CA26?

Open it in the AI Editor for field guidance, checks, and PDF export.

Fillable formOpen in Editor->

Form Overview

Revenue Commissioners - Form CA26

Form CA26 is an Irish tax form issued by the Revenue Commissioners for reporting certain corporate tax matters. It is used when companies need to make specific declarations or claims related to their tax affairs.

The form captures declarations about corporate tax positions, reliefs claimed, or specific tax calculations relevant to the company's tax affairs.

Risk Radar

Scan points
  • 1The most common mistake is using an outdated version of the form that doesn't reflect current tax requirements.
  • 2Entering incorrect financial figures
  • 3Missing required supporting documentation
  • 4Using an outdated version of the form
  • 5Failing to sign where required

Plain English

This is a tax form that Irish businesses use to tell Revenue about specific tax situations. It's part of the regular paperwork companies must complete to stay compliant with Irish tax laws.

Submission Date

  • Filing date: Submission deadlines are typically specified in the form instructions or in correspondence from Revenue, with different deadlines depending on the specific purpose of the form.
  • Preparation window: collect IDs, supporting records, and signatures in advance.
  • Final review: verify names, dates, and required fields before submission.

AI co-pilot

Fill it faster. Catch mistakes before you file.

Explains confusing fields in plain English
Flags missing signatures, dates, IDs, and attachments
Keeps the PDF ready for editor, send, and proof flows
Open AI workspace->

Glossary Terms

Hover a term to preview the meaning.

What this form is for

  • Use this form when specifically instructed by Revenue
  • Use for making declarations about corporate tax positions
  • Use when claiming specific tax reliefs that require formal documentation
  • Use instead of general tax returns for specialized corporate matters

Form selector

Use this form or another form?

Annual corporate tax return

Required for standard annual tax filing

✓ Check if your company has other reporting obligations

Form CT1

Capital gains tax declaration

For property or asset disposals

✓ Verify if disposal qualifies for exemptions

Form CGT

VAT return

For value-added tax reporting

✓ Confirm your VAT registration status

Form VAT3

Payroll taxes

For monthly/quarterly payroll taxes

✓ Ensure all employee details are up to date

Form P30

Deadline or filing window

Submission deadlines are typically specified in the form instructions or in correspondence from Revenue, with different deadlines depending on the specific purpose of the form.

Before you submit

  1. 1All required fields completed
  2. 2Financial figures double-checked for accuracy
  3. 3Supporting documents prepared and referenced
  4. 4Digital credentials ready for ROS submission
  5. 5Copy of completed form retained for records
  6. 6All signatures in place where required

How to file this form

  1. 1Obtain the latest version of Form CA26 from Revenue.ie
  2. 2Complete all relevant sections with accurate information
  3. 3Gather necessary supporting documentation
  4. 4Log in to Revenue Online Service (ROS)
  5. 5Navigate to the appropriate filing section
  6. 6Upload completed form and submit
  7. 7Save the confirmation receipt for your records

Known limitations

  1. 1Form may not cover all specialized tax situations
  2. 2Electronic submission required for most cases
  3. 3Processing times may vary depending on current workload
  4. 4Additional documentation may be requested by Revenue

Field map

Compact field-by-field guide

6 fields

Identity

3 items

Name

Your full name as Revenue holds it.

Requiredtext
PPS Number

Your Personal Public Service number — Revenue matches the form to your record with this.

Requiredtext
Address

Your current address, including Eircode.

Requiredtext

Details

1 items

Tax Year or Period

The year or period the form relates to.

Requiredtext

Amounts

1 items

Income, Relief or Credit Amounts

Enter each amount against the heading it belongs to.

amount

Declaration

1 items

Declaration and Signature

Sign to confirm the details are correct and complete.

Requiredsignature
This compact map shows the fields you typically encounter on this type of Irish form. The AI Editor gives precise, field-by-field guidance once you open the actual document.

Almost done reviewing the fields?

Fillable formOpen in Editor->
Current form status
REVENUE

Not confirmed in official source. Always check Revenue.ie for the most current version of Form CA26 before submission.

What changed or needs a fresh check

  • Check the form version number matches the current tax year
  • Verify all contact details section matches your company registration
  • Confirm calculation methods align with current tax legislation
  • Review any recent Revenue updates to form requirements

Quick Facts

Company directors, accountants, or tax representatives responsible for managing corporate tax affairs must file this form.
The form captures declarations about corporate tax positions, reliefs claimed, or specific tax calculations relevant to the company's tax affairs.
Submit this form when specifically requested by Revenue or when a particular corporate tax situation requires formal declaration, typically within timeframes specified in the form instructions.
File through the Revenue Online Service (ROS) portal, which is the standard digital submission method for most Revenue forms.
Incorrect submission can lead to delays in processing, potential interest charges, or queries from Revenue that may require additional documentation.
Download the current version of Form CA26 from the Revenue website. Complete all relevant sections with accurate financial information. Submit electronically through ROS using your digital credentials.

Fill Form CA26

AI-powered guidance for every field

Fillable formOpen in Editor->

Free to start / No account required

Sources

  • SRCForm number: CA26
  • SRCIssuing agency: Revenue Commissioners
  • SRCSubmission method: Revenue Online Service
  • SRCForm purpose: Corporate tax declarations
  • SRCCurrent version: not confirmed in official source
  • SRCSpecific requirements: not confirmed in official source
  • SRCProcessing times: not confirmed in official source
  • SRCRecent changes: not confirmed in official source

Common confusion points

Determining when this form is required versus other tax forms

Understanding which sections apply to your specific situation

Calculating figures correctly according to current tax rules

Completing the form if your company has complex financial structures

Understanding the relationship between this form and annual tax returns

Ready to get started?

6 fields / 4 sections / AI-powered guidance

Fillable formOpen in Editor->

Source transparency

Copyright & Licensing — Irish Government Forms

Independent guide

BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.

CC BY 4.0Creative Commons Attribution 4.0 International. Free to copy, modify, and distribute — even commercially — with attribution.
All Rights ReservedAll rights reserved by the copyright holder. Not licensed for open use. May only be used with explicit permission or under fair dealing/fair use.
All Rights ReservedAll rights reserved by the copyright holder. Not licensed for open use. May only be used with explicit permission or under fair dealing/fair use.
Verify current license terms with the source agency before reuse outside this platform.

Understand the agreement before you sign it.

Review risky clauses in plain English, fix the document, and keep it moving toward signature.

Review a contract free →