A time-bar clause is contract wording that extinguishes a right to claim if a required notice is not given within a stated period. Not every notice clause is a time-bar. The difference lies in one thing: whether the contract makes the notice a condition of the entitlement, or merely a procedural obligation whose breach has some lesser consequence.
Recognising one
Look for language that connects the notice to the relief. FIDIC 1999 Sub-Clause 20.1 is the textbook example: if the Contractor fails to give notice within 28 days, the Time for Completion shall not be extended and the Employer is discharged from liability. The Privy Council described that as classic condition precedent form because the requirement and the relief are made dependent on each other. Words to watch for include condition precedent, shall not be entitled, discharged from liability, and time is of the essence.
Soft notice versus hard bar
| Feature | Soft notice requirement | Hard time-bar |
|---|---|---|
| Wording | Contractor shall notify the Engineer promptly | If notice is not given within X days, the Contractor shall not be entitled |
| Consequence of lateness | Possible reduction of the claim to reflect prejudice; adverse weight | Entitlement extinguished |
| Who bears the risk of silence | Shared, argued case by case | The Contractor |
| Typical location | Older or lightly drafted forms; some Indian government contracts | FIDIC 1999 and 2017; most Gulf employer amendments |
Five things that decide whether it bites
- Trigger. Does the period run from the event, from the Contractor's awareness, or from when it should have been aware? FIDIC uses awareness; many Indian forms use occurrence.
- Length. 28 days is common, but Particular Conditions in the Gulf frequently reduce it, and some Indian public contracts run to short windows treated as conditions precedent.
- Form. Some clauses require the notice to describe the event and state that a claim is being made; some require it to be sent to a named person by a named method. A letter that does not meet the form may not count.
- Governing law. English-law tribunals enforce clear time-bars strictly. Some civil-law jurisdictions apply prevention or good-faith principles that soften them. Which law governs your contract matters more than the clause text alone.
- Waiver and conduct. Where the Employer has consistently accepted late notices, an argument may exist, but it must be evidenced and pleaded, and the Engineer cannot waive on the Employer's behalf.
Subcontracts: the double clock
Back-to-back subcontracts mirror the main contract's time-bars downward, and frequently shorten them so the main contractor has time to pass the notice up the chain. A subcontractor on a 14-day mirrored window behind a 28-day main contract clock has two deadlines for one event: the one it owes upstream, and the one that preserves its own rights. Both need tracking.
What this means in practice
- Classify every notice clause in your contract as soft or hard, and record the trigger, length, and form requirements.
- Assume hard until an expert tells you otherwise; the cost of over-notifying is a letter, the cost of under-notifying is the claim.
- On subcontracts, track the upstream and downstream clocks separately for the same event.
- Governing law changes the analysis. Do not import a conclusion from one jurisdiction to another.
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- “FIDIC time bar bites: Privy Council holds clause 20.1 is a condition precedent,” Charles Russell Speechlys (2026)
- “Sub-Clause 20.1: the FIDIC Time Bar under Common and Civil Law,” Fenwick Elliott
- “Time Bar Clauses in Infrastructure Construction Contracts: The Challenges in the Indian Context,” Jus Mundi
- “No Notice, No Claim? Conditions Precedent in FIDIC Contracts,” Howard Kennedy
This article is general information about how these contract mechanisms typically work. It is not legal advice, and it is not a substitute for review of your specific contract by a qualified professional.