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England and Wales commercial and regulatory procedures

Does ACAS early conciliation always last twelve weeks?

Up to twelve weeks for qualifying contact on or after December 1, 2025. Endeavor to promote settlement and use the actual certificate event for limitation review. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

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Read why no date is calculated
Period
Up to twelve weeks for qualifying contact on or after December 1, 2025
Trigger
ACAS receives the qualifying form or the claimant telephones under the rules
Rule
The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7
The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7. The retained source governs endeavor to promote settlement and use the actual certificate event for limitation review. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

Source guide · No automated date

Check the applicable procedure

The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B. The actual aCAS receives the qualifying form or the claimant telephones under the rules and required completion must be established before using a final date.

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

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Does ACAS early conciliation always last twelve weeks?

Up to twelve weeks for qualifying contact on or after December 1, 2025. Endeavor to promote settlement and use the actual certificate event for limitation review. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

Responsible actor. ACAS conciliation officer and prospective claimant.

ACAS receives the qualifying form or the claimant telephones under the rules.

The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

How does this provision count time?

  1. Endeavor to promote settlement and use the actual certificate event for limitation review.
  2. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B.
  3. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B.

Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

Which facts prevent one automatic date?

The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B. The actual aCAS receives the qualifying form or the claimant telephones under the rules and required completion must be established before using a final date.

ResultRead the operative provision and establish the applicable branch.

The aCAS conciliation officer and prospective claimant has established the applicable procedure and aCAS receives the qualifying form or the claimant telephones under the rules. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact. Endeavor to promote settlement and use the actual certificate event for limitation review. Up to twelve weeks for qualifying contact on or after December 1, 2025. No computed final date is supplied.

A proposed completion raises a nonbusiness-day or time-boundary question for endeavor to promote settlement and use the actual certificate event for limitation review. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B. Resolve this boundary under the identified provision and actual completion route. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B.

ACAS issues a certificate before the twelve-week maximum expires. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact. The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact. No automatic final date follows from this scenario.

Which conditions and exceptions apply?

Applicable procedure and actual event
The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.
Counting and completion boundary
Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B.
The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7
  • The maximum conciliation window is not a fixed certificate date. SI 2025/1153 regulation 3 preserves the earlier rule for earlier contact.
  • ACAS conciliation officer and prospective claimant. ACAS receives the qualifying form or the claimant telephones under the rules. Endeavor to promote settlement and use the actual certificate event for limitation review. Rule 6(1) starts on the actual form-receipt or telephone-contact date. Actual certificate delivery remains essential to Day B.

What must the responsible actor complete?

Questions about this procedure

Does ACAS early conciliation always last twelve weeks?

Must ACAS use all twelve weeks?

Does dispatch of the online form alone establish receipt?

Does earlier contact receive the longer maximum automatically?

SI 2025/1153 regulation 3 makes the amendment conditional on contact on or after December 1, 2025.

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

Is the maximum itself the tribunal complaint deadline?

No. The complaint limitation calculation uses its own statutory conciliation adjustment.

The Employment Tribunals (Early Conciliation: Exemptions and Rules of Procedure) Regulations 2014, Schedule rules 2, 3, 6 and 7

Which certificate date matters downstream?

Can a separate telephone contact start the process?

Official sources and review

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