Employment Tribunal Limitation

Work out the 3-months-less-1-day limitation deadline for an Employment Tribunal claim, taking into account ACAS Early Conciliation stop-clock.

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All values calculated using standing rule (Employment Rights Act 1996 s.111 + Trade Union and Labour Relations (Consolidation) Act 1992 s.207B) figures.

Leave blank if you have not yet contacted ACAS.

Leave blank until you have the certificate.

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How this is calculated

Most ET claims are subject to a "3 months less 1 day" limitation period from the act complained of (Employment Rights Act 1996 s.111). Time pauses while ACAS Early Conciliation runs:

  • The clock stops on Day A (when you notify ACAS).
  • The clock resumes on Day B (when the EC certificate is issued).
  • Time between A and B is added back to the original deadline.
  • Plus, the deadline cannot be earlier than one month after Day B.

Different limitation periods apply for some claim types (e.g. equal pay: 6 months; redundancy payment: 6 months). This calculator handles the standard 3-months-less-1-day rule. Get specialist advice for unusual cases.

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