What Is a Corrigendum in a Tender? Everything You Need to Track Them

A corrigendum is a formal, official correction or amendment to a tender that has already been published. It can change dates, specifications, quantities, eligibility, or any other term of the tender — and ignoring it is one of the fastest ways to get your bid rejected.

Why Corrigenda Exist

Buyers issue corrigenda to:

• Extend the submission deadline (the most common reason)
• Correct errors in the tender document (typos, wrong values)
• Change specifications or quantities in the BOQ
• Clarify ambiguous clauses after bidder questions
• Revise EMD amounts or eligibility criteria
• Reschedule pre-bid meetings or bid-opening dates

How Corrigenda Work

1. The buyer publishes a corrigendum notice on the same portal as the tender
2. It references the tender ID it amends
3. It may extend the closing date — the original deadline often becomes invalid
4. Bidders must re-read the amended document before quoting

Sometimes there are multiple corrigenda for a single tender. The latest one governs. Failing to account for an extension (or an earlier tightened deadline) is a classic mistake.

The Risk of Missing a Corrigendum

• Quoting on outdated specs → technical rejection
• Missing the real deadline → automatic rejection (late bids aren't opened)
• Wrong BOQ quantities → prices don't match, bid rejected or L1 status lost
• Failing the new eligibility → disqualified at pre-qualification

Buyers are not obligated to inform you individually — the corrigendum is published on the portal. It's your responsibility to check.

How to Track Corrigenda Effectively

1. Re-check the tender page regularly — especially the last 24–48 hours before closing
2. Monitor the portal's corrigendum section for your active tenders
3. Set closure alerts that notify you of any amendment or date change
4. Download the latest documents each time you return to a tender
5. Note the effective deadline after each corrigendum

An aggregator with live notifications (like Bid Bharat) can track corrigenda across multiple portals and alert you to changes automatically — instead of manually re-visiting every tender.

Example Scenario

You plan to submit on 15 March. On 12 March, the buyer issues a corrigendum extending the deadline to 22 March and changing the BOQ quantity for Item 2. You were about to quote on 40 units; the corrigendum says 60. If you submit with the old BOQ, your price is wrong and you may be disqualified. Tracking the corrigendum saves the bid.

Corrigendum vs Addendum

Understand which applies so you don't misread the impact on your bid.

Official Government Resources

Conclusion

A corrigendum can change the outcome of a tender you're already preparing for. Check for amendments before you finalize and again just before submission, and always quote on the latest versions of dates and BOQs. Let Bid Bharat track corrigenda and deadline changes across 35+ portals so nothing slips through.