Civil Procedure Rules deadline
CPR contribution or indemnity additional-claim deadline guide
For a contribution or indemnity claim against an existing party, a defendant may proceed without permission by filing and serving the notice with the defence. If the target party is added later, the permission-free route is within 28 days after that party files its defence.
Rule reviewed
At a glance
What this source guide covers
- Period
- With the defence, or 28 days after a later-added party files its defence
- Trigger
- The defendant’s defence deadline, or the later-added party’s filed defence
- Direction
- Follow the applicable Part 20 branch
- Counting method
- Rule 20.6 contains two distinct permission-free routes. The ordinary defence deadline and the later-added-party route do not share one calculated date.
Cited source guide
Check the rule before calculating a date
This route has a real deadline question and a current primary source, but it needs facts or time-counting treatment the existing calculator cannot faithfully collect yet. It deliberately does not generate a date.
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- Example input
- 03/08/2026
Start with 03/08/2026 as the the defendant’s defence deadline, or the later-added party’s filed defence. The calculator applies rule 20.6 contains two distinct permission-free routes. the ordinary defence deadline and the later-added-party route do not share one calculated date. and the 28-day later-added-party period must be anchored to that party filing its defence. do not substitute service of the original particulars or a generic part 15 date. before it shows the cited output and the checks that may change it.
Calculation basis
How the date is counted
Rule 20.6 contains two distinct permission-free routes. The ordinary defence deadline and the later-added-party route do not share one calculated date.
The 28-day later-added-party period must be anchored to that party filing its defence. Do not substitute service of the original particulars or a generic Part 15 date.
Check before use
Exceptions and matter facts
- At any other time, a contribution or indemnity notice needs the court’s permission under CPR 20.6(2)(b).
- Other additional claims are governed by CPR 20.7, including its own permission and service requirements. Check whether the target is already a party.
Check this rule before using it
Deadline Engine is calculation software, not legal advice. Check the current rule, any order and the facts before adding a date to your diary.
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