When does the ET3 deadline apply and how is it calculated?

The ET3 deadline is 28 days from the date the claim is served, with careful counting rules that exclude the service date.

Under the Employment Tribunal Rules of Procedure, you typically have 28 days to respond to a claim by submitting an ET3 form. The counting rules are precise: the date of service is not included in the calculation. This ensures a predictable window to prepare your response. For practical purposes, this means you start counting from the day after service and work forward for 28 days.

If the claim was served on 1 October, the last day to file your ET3 is 29 October. This simple example illustrates how the deadline works in real life. It is important to check the service details on the claim form or tribunal portal, as service methods (e.g., post, email, or specialist service) can influence timing.

Tip: always note the exact date you received the claim and set a reminder, and consider contacting the tribunal or a legal adviser if you are unsure.

• ET3 deadline is 28 days from service of the claim.
• Counting starts the day after service; the service date is not counted.
• If service occurs on 1 October, the deadline can be 29 October (example).

What goes into the ET3 response and how to complete it

The ET3 response should clearly admit or deny each part of the claim, set out your side of the facts, and provide your evidence plan.

An ET3 response is the formal employer or respondent’s answer to the claimant’s allegations. It should address each pleaded point in the claim, stating which parts you admit, deny, or do not have enough information to admit. You should set out the key facts from your side, and outline any relevant documents or evidence you intend to rely on at Tribunal.

Include a concise chronology of events, a brief outline of the issues in dispute, and any preliminary objections or a jurisdictional challenge if applicable. You may also attach supporting documents as exhibits and reference them in the ET3.

Be precise about the remedies you propose (if any), and indicate whether you would want a hearing or a paper determination. If you admit liability on any point, consider offering a remedy or settlement angle.

• Address each pleaded point (admit/deny/needs more information).
• Include a concise chronology and issues in dispute.
• Attach exhibits and refer to them in the ET3.

1. Step 1: Gather all relevant documents (contracts, emails, payslips).
2. Step 2: Draft a clear response for each claim point.
3. Step 3: Attach supporting documents as exhibits.
4. Step 4: Review for consistency and completeness.

What happens if you miss the ET3 deadline

Missing the deadline can lead to a default judgment and a narrower window to respond; timely action remains essential.

The most immediate consequence of missing the ET3 deadline is that the tribunal may proceed in the claimant’s favour by granting a default judgment. This can make it harder to challenge the claim later and may limit your opportunity to present evidence or defenses.

If you realise you might miss the deadline, contact the tribunal or seek advice as soon as possible. You may be able to request an extension in appropriate circumstances, but such extensions are not guaranteed and depend on tribunal discretion.

Even after a default judgment, there may be procedural routes to challenge the outcome, such as applying to set aside a judgment, but these require careful and timely action and usually the assistance of a lawyer or adviser.

• Default judgment is a risk where no ET3 is filed on time.
• Extensions can be sought in appropriate circumstances, but are not guaranteed.
• A late response can significantly affect your defences and evidence.

A step-by-step guide to preparing and filing your ET3

Follow a practical, timed process to complete and file your ET3 without unnecessary delay.

Prepare a realistic timeline and gather key documents early—employment contracts, payslips, and correspondence related to the dispute.

Draft a clear, section-by-section ET3 response, ensuring each claim point is addressed. Cross-check dates and names for accuracy.

Attach exhibits, ensure correct formatting, and file with the Employment Tribunal by the deadline. If you are filing online, use the tribunal portal and save confirmations.

• Set a 28-day countdown from service date.
• Collect documents (contracts, payslips, emails).
• Draft a point-by-point response for each claim.
• Attach exhibits and prepare a clear chronology.

1. Timeline from notice received to ET3 submission.
2. Step 1: Identify all allegations and relevant dates.
3. Step 2: Draft responses to each point.
4. Step 3: Attach supporting documents.
5. Step 4: Submit via tribunal portal or by post and keep receipt.

Extensions, late submissions and exceptions

There are limited circumstances where extra time may be allowed; timely action and clear reasons help.

Extensions to the ET3 deadline are not automatic. They depend on tribunal discretion and the reason for the delay. Common grounds include serious illness, misdirection by a legal adviser, or service issues beyond the claimant’s control. You should apply as soon as you become aware of a delay and provide evidence to support your case.

• Extensions are discretionary.
• Provide compelling reasons and evidence.
• Apply as soon as you know you might miss the deadline.

1. Step 1: Identify why you need more time
2. Step 2: Gather evidence (doctor's note, evidence of service issues)
3. Step 3: Submit your extension request to the tribunal as soon as possible.

Common mistakes to avoid and practical tips

Avoid common missteps that can undermine your ET3 or timing, and use practical tips to stay on track.

Common mistakes include failing to address every point in the claim, missing deadlines due to poor calendar management, and submitting incomplete exhibits or inconsistent dates. Planning ahead and double-checking details can save time and reduce the chance of a future adjournment or strike-out.

• Failing to respond to every allegation.
• Not attaching or referencing documents correctly.
• Inconsistent dates or names across documents.

Conclusion: Key takeaways about ET3 deadlines

A clear understanding of the ET3 deadline and best practices will improve your chances of a fair hearing.

The ET3 deadline is a fixed 28-day window from service of the claim, calculated according to tribunal rules. It is essential to prepare a thorough ET3 response, attach supporting documents, and file on time to preserve your right to defend. Even if you are self-representing, careful preparation and prompt action can make a meaningful difference in the outcome of your case.

Key takeaways

Quick, practical reminders to keep you on track after reading about the ET3 deadline.

– The ET3 deadline is 28 days from service of the claim. Always verify the exact service date and set reminders.

– The ET3 form should address every pleaded point with a clear admission or denial and include any supporting exhibits.

– Missing the deadline can lead to a default judgment; extensions are possible but not guaranteed and must be timely requested.

• ET3 deadline: 28 days from service.
• Address every claim point with clear admissions/denials.
• Missing deadline risks default judgment; seek extensions if needed.

FAQ

Frequently asked questions about the ET3 deadline and filing process.