Official form guide
Form DE1
Form DE1 is an official document issued by the Revenue Commissioners for reporting employee deductions and payroll information in Ireland. It is typically used by employers to fulfill their tax reporting obligations related to employee earnings and deductions.
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Form Overview
Revenue Commissioners - Form DE1
Form DE1 is an official document issued by the Revenue Commissioners for reporting employee deductions and payroll information in Ireland. It is typically used by employers to fulfill their tax reporting obligations related to employee earnings and deductions.
Risk Radar
Scan points- 1The most common mistake is failing to submit on time, which can result in automatic penalties.
- 2Incorrect calculation of employee tax deductions
- 3Missing or late submission leading to penalties
- 4Failure to update employee details when they change
- 5Incorrect reporting of PAYE and PRSI contributions
Plain English
This form helps employers report how much they've paid their employees and what deductions they've made for taxes and other contributions. It's part of the regular process that keeps Ireland's tax system running smoothly.
Submission Date
- Filing date: DE1 forms must typically be submitted monthly by the 23rd of the following month, though deadlines may vary for certain industries or reporting periods.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when reporting regular employee payroll information
- Required for employers with PAYE obligations
- Not for self-assessment tax returns (Form 11)
- Different from Form P60 which is given to employees annually
- Separate from VAT returns (Form VAT 3) which relate to business sales
Form selector
Use this form or another form?
Situation
Why it matters
✓ Check before you continue
New employee starting
Ensures correct tax code applied
✓ Verify employee's previous employment status
Employee leaving
Required for employee's new employer
✓ Complete within 14 days of employee leaving
Annual payroll summary
Required year-end reconciliation
✓ Must match all submitted DE1 forms for the year
Self-employed income
Different reporting requirements
✓ Confirm if you need both forms based on income sources
Deadline or filing window
DE1 forms must typically be submitted monthly by the 23rd of the following month, though deadlines may vary for certain industries or reporting periods.
Before you submit
- 1Verify all employee details are accurate and up to date
- 2Double-check calculations for tax, PRSI, and USC deductions
- 3Ensure all relevant allowances and reliefs are correctly applied
- 4Confirm the reporting period matches the form dates
- 5Check that total pay matches the sum of all components
- 6Review for any missing signatures or authorizations
- 7Keep a copy of the submitted form for your records
How to file this form
- 1Gather all payroll information for the reporting period
- 2Calculate correct deductions for each employee
- 3Complete the form with accurate figures
- 4Submit through Revenue Online Service (ROS)
- 5Retain the form and supporting records for at least six years
- 6Respond promptly to any queries from Revenue
Known limitations
- 1Form DE1 does not cover all types of employee benefits
- 2Certain industries may have additional reporting requirements
- 3Does not cover employer's own tax obligations (like Corporation Tax)
- 4Limited space for detailed explanations of unusual circumstances
- 5Does not replace the need for separate returns for other taxes
Field map
Compact field-by-field guide
Identity
3 items
Your full name as Revenue holds it.
Your Personal Public Service number — Revenue matches the form to your record with this.
Your current address, including Eircode.
Details
1 items
The year or period the form relates to.
Amounts
1 items
Enter each amount against the heading it belongs to.
Declaration
1 items
Sign to confirm the details are correct and complete.
Almost done reviewing the fields?
Fillable formOpen in Editor->Form DE1 is currently in active use, though employers are increasingly encouraged to use digital filing through ROS rather than paper submissions.
What changed or needs a fresh check
- Verify you're using the latest version of Form DE1
- Check if any recent changes to tax rates affect your calculations
- Confirm PRSI thresholds have not changed
- Ensure your payroll software is updated with current Revenue guidelines
- Review any changes in digital submission requirements
Quick Facts
Downloads & source
Sources
- SRCForm issued by Revenue Commissioners
- SRCForm number DE1
- SRCRelated to payroll reporting
- SRCSubmission through Revenue Online Service
- SRCNot confirmed in official source: specific purpose details
- SRCNot confirmed in official source: exact calculation methodology
- SRCNot confirmed in official source: current deadlines
- SRCNot confirmed in official source: recent form version changes
Common confusion points
Confusing DE1 with annual forms like P35 or P60
Mixing up monthly and quarterly reporting deadlines
Incorrectly calculating tax credits versus standard rate cut-off point
Not understanding when to use electronic versus paper submission
Uncertainty about how to handle employees with multiple jobs
Confusion about what records to keep and for how long
Misunderstanding the difference between PAYE, PRSI, and USC
Source transparency
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