AI Tenders
Writing a Corrigendum Without Restarting
· 9 minute read
A corrigendum is how adults fix a live bid. You do not always restart. If the change is material, extend the bid date so a non-incumbent can still respond.
After the pre-bid, three firms asked whether training on departmental data was allowed. The published RFP was silent. Counsel wanted a ban. The section was afraid that changing the clause meant cancelling the tender and missing the fiscal year. They sat on the silence. The bids arrived with opposite assumptions. The evaluation became a fight about what the silence meant. A one-page corrigendum in week two would have been cheaper than the fight in week ten.
This is a practical guide to amending a live AI tender. Many changes can be issued as a corrigendum or amendment without restarting the process, if your rules and the portal allow it. Material changes — eligibility, scope, isolation, data rights, bid format, dates — usually require that remaining time be enough for a serious firm that was not in the room. Extending the bid date is how you keep the amendment fair. Cancelling is for when the object itself has died, not for when you grew up.
There is no single magic GFR sentence that covers every portal and every state. Read the bid document you published, the GeM or CPPP mechanics, your manual, and counsel. This article is the habit, not the form.
Not legal advice.
Restart versus amend
Amend when the object is the same and the market can still bid: you added a training ban, you named year-one languages, you corrected a rule citation, you replaced a brand with a function, you attached the held-out-set hash.
Restart when the object has changed so that the people who decided to bid are the wrong people: you switched from hosted SaaS to air-gapped appliance, you cut 80 percent of the scope, you added a PAC-like eligibility that only one firm can meet, you discovered the budget cannot buy what you described.
Fear of restarting is how silent RFPs stay silent. A clean corrigendum is a sign of a living file, not of incompetence — if you extend time when the change is material.
| Change | Usually amend | Usually restart or rethink |
|---|---|---|
| Add training ban / name subprocessors | Yes, and extend if bids are close | If you also change who the fiduciary is in a way that kills the deal |
| Replace a brand with a function | Yes — this is a fairness fix | If the function still has only one supplier and you will not admit it |
| Add a language eval annexure | Yes, with time to run the sample | If you suddenly mandate 22 untested languages as eligibility |
| Hosted to air-gap | Rarely a mere corrigendum | Different bidders, different BoQ — restart or split |
| Bid date only | Yes, through the portal | Repeated extensions that look like you are waiting for a favourite |
How to write the page
Number it. Cite the bid id. State the old text, the new text, and the reason in one line. State the new bid due date and the new pre-bid date if any. State that all other terms stand. Upload where the original lived — GeM, CPPP, the department site — not only to firms who attended the pre-bid. A corrigendum that only the room sees is a private amendment.
Do not hide a material change in a 'clarification'. Clarifications interpret. Corrigenda change. If you are changing, say changing.
- Old clause / new clause / reason.
- New dates, with enough remaining time for a non-incumbent.
- Published on the same channels as the bid.
- A file note that this is an amendment, not a wink.
Material and time
Material is a fairness word: would a competent firm who read the first PDF have bid differently, or needed more days to raise a query or find a partner? If yes, extend. A 48-hour remaining window after you add an isolation soak and a language set is a restart wearing a corrigendum hat.
How many days is enough is local. Look at your manual, the original bid period, and the size of the change. Do not copy a number from this article. Do copy the question.
After bids are in
Post-opening changes are a different animal. They attract negotiation and tailoring concerns. Do not use a corrigendum to rescue a favourite or to invent a new mandatory after you have seen prices. If the discovery is fatal — the object is wrong — cancellation and a clean re-issue is often cleaner than a clever amendment.
If all technically responsive bids assumed opposite things because you were silent, that silence is on you. Fix it in the next issue, and write the lesson on the first page of the next RFP.
Objections you will hear — and what to do with them
These are the lines that stall the file. Answer them in the room, then put the answer in the note. A spoken answer without paper will be forgotten by the next officer.
Extension will push us into the next fiscal year.
Then you are choosing between a clean award and a calendar. Write that choice to the competent authority. A rushed silent bid that dies in a complaint will also miss the year, with a worse story.
If we corrigendum, we admit the RFP was wrong.
Yes. That is professional. The file that never admits error is the file that cannot survive a pre-bid.
GeM makes corrigenda hard.
Hard is not impossible. Read the live buyer help on gem.gov.in. If the category truly cannot carry the change, that is a reason to cancel or to change category — not a reason to whisper the new clause to one firm.
Bidders who already paid EMDs will be angry.
They will be angrier if you change the object under them without time, or if you cancel without a reason. Time and a written reason are the respect you owe people who put up money.
A corrigendum in one working week
Do not wait for the last pre-bid question to 'see how many more arrive'. The clock is already eating fairness.
- Day 1: list every silence the pre-bid exposed. Sort amend / restart.
- Day 2: draft old/new/reason. Counsel and CISO read the data and isolation lines.
- Day 3: competent authority approves the new date. Date is part of the fairness, not an afterthought.
- Day 4: upload on every channel the original used. Mail the registered bidders as a courtesy, not as the only notice.
- Day 5: file note. Brief the evaluation committee that the new text, not the old PDF, is what they mark.
How this shows up in the file
Keep the original PDF, every corrigendum, and a consolidated reading copy. A bidder should not have to diff six notices. An evaluator should not mark the wrong version.
Write one sentence: we amended rather than restarted because the object is the same and time was extended for material change. If you cannot write that, you chose the wrong path.
This article is informational field guidance for Indian public institutions, not legal, procurement, security-accreditation or engineering advice. Confirm against the current Gazette, GFR, GeM term, CVC instruction, CERT-In direction, DPDP text, departmental manual and your counsel before you file it.
How to put this in the RFP, not the preamble
A P2 Procurement who searches “tender corrigendum process” is usually drafting or scoring a bid. “Writing a Corrigendum Without Restarting” belongs in eligibility, the evaluation matrix, or a numbered annexure. If it only lives in the covering note, L1 will ignore it.
A corrigendum is how adults fix a live bid. You do not always restart. If the change is material, extend the bid date so a non-incumbent can still respond. QCBS weights are a choice you must publish before opening. Accuracy is a task plus a dataset, not a slogan. SLAs for agents must name tool-calls, human gates and log export — uptime alone is a hosting metric.
Do not let a vendor write the specification and then bid on it. Record unsolicited proposals. Pay for pilots that touch personal data. Write exit before you write go-live.
- Move the control from the preamble into a scored or eligibility row.
- Attach a one-page definition (accuracy, SLA, language, data handling).
- Require an artefact in the technical bid, not a slide.
- Extend the bid date if a corrigendum is material.
- Minute the demo on your data, offline if you claimed air-gap.
Close this loop before the next CAB
Put “Writing a Corrigendum Without Restarting” on the next change-advisory or bid-opening agenda as a single line item with an owner. If it cannot earn a line item, it will not earn a control. The owner should be a P2 Procurement, not “the vendor.”
Revisit the item when the model, the GeM term, the region, or the SI changes. “tender corrigendum process” is not a one-time workshop. It is a watch item. Date the last check. Unsigned watch items are souvenirs.
Questions this usually raises
- Does every change require cancelling the tender?
- No. Many changes can be issued as a corrigendum. Cancel when the object or the market has materially changed, or when your rules require it. Ask counsel on the live bid.
- When must we extend the bid date?
- When the change is material to who bids or how they prepare, remaining time must be fair. Do not leave a 48-hour window after a new isolation or data clause. Your manual and portal rules still govern the mechanics.
- Is a portal 'clarification' enough to add a training ban?
- A ban is a change, not an interpretation. Issue it as a corrigendum with the new text visible on the same channels as the bid.
- Can we corrigendum after the commercial opening?
- Treat post-opening changes as high risk. Do not tailor. Get counsel. Cancellation and re-issue is often cleaner than a clever fix once prices are known.