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📚 Part of: Law of Contracts guide

Invitation to Offer vs Offer: The Shop-Window Trap

The price tag isn't a promise and the poster isn't a deal. Learn who actually makes the offer, and half of CLAT's formation questions solve themselves.

AS ✔ Reviewed by Aditya Singh · Law student, NLSIU Bengaluru
9
everyday situations sorted
4
landmark cases
1
real CLAT Q solved
11 min
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📑 On this page
⚡ The short answer
An invitation to offer asks people to come and make offers: price tags, shelves, menus, catalogues, most ads, auction and tender notices. Nobody can accept it. The customer, bidder or tenderer makes the offer, and the seller may accept or refuse. An ad becomes a real offer only when it is definite and shows an intention to be bound.
🎬 The 30-second story
The ₹499 headphones
1
“Noise-cancelling headphones for ₹499? Mine!”
🎧
Meher
The shelf tag says ₹499. Everywhere else they cost ₹4,999.
2
“Sorry, wrong tag. They're ₹4,999.”
🧾
Kabir
Kabir scans the box at the counter.
3
“Your tag was an offer and I accepted it!”
🏷️
Meher
Meher threatens to sue.
4
“Then I decline. ₹4,999 if you want them.”
🚪
Kabir
The box goes back on the shelf.
Tara's ruling: Kabir wins. The tag only invited an offer. Meher offered at the counter, and Kabir was free to refuse. No acceptance, no contract. (Her age never matters; no agreement was formed.)

What is an invitation to offer?

An offer says: ‘I am willing to be bound on these terms; just say yes.’ An invitation to offer comes a step earlier: ‘Here's what I have and roughly what I want; come and propose a deal.’ It starts the conversation, but nobody can accept it, because it was never meant to bind its maker.

Why? Stock is limited and mistakes happen. If every price tag were an offer, a shop with three headphones could be bound to three hundred buyers. So the law reads these messages as a reasonable person would: as a display, not a promise.

🧮 The formula
The order every deal follows
🏷️
Invitation
shop, auctioneer, buyer of supplies
→
🙋
Offer
customer, bidder, tenderer
→
✅
Acceptance
back to the inviter
=
🤝
Agreement
📌 What CLAT actually expects
The passage will define offer and invitation, often with a test like ‘definite terms’. Label each message in the facts in order, then ask whether the real offer was accepted. Never assume the first message was the offer.

How do you tell an offer from an invitation?

Labels don't decide it; substance does. A ‘Diwali OFFER!’ banner is usually an invitation, while a letter that never says ‘offer’ can be one. Ask what an ordinary person would understand from the words and setting.

⚔️ Side by side
Offer vs invitation to offer
🎯Offer
‘Say yes and we have a deal.’
  • •Definite, complete terms
  • •Shows willingness to be bound
  • •A simple ‘yes’ closes the deal
📣Invitation to offer
‘Come and talk to me.’
  • •Information, not commitment
  • •Maker can still negotiate or refuse
  • •A ‘yes’ to it is only an offer
TestOfferInvitation to offer
Can the maker refuse a ‘yes’?NoYes
Typical formsReward notice; ‘first three at 9 AM, ₹1 each’Price tag, menu, catalogue, auction or tender notice
Stock riskOn the makerMaker can say ‘sold out’
🧭 Decision flow
Offer or invitation?
❓ Are the terms definite: what, how much, for whom?
No →
Invitation to offer: the responder makes the offer
Yes ↓
❓ Does it show intent to be bound, like ‘we will pay’ or ‘first come, first served’?
Yes →
❓ Is anything left to negotiate or approve?
Yes →
Still an invitation: the maker kept the final say
No →
A real offer: a clean ‘yes’ makes a contract
No →
❓ Is it a display, price list, ad, auction notice or tender call?
No →
Read it as a reasonable person would; if in doubt, invitation

Which everyday situations are only invitations?

Most everyday selling is invitation. In each tile, the person responding makes the offer and the business keeps the right to say no.

🧩 At a glance
Nine invitations you meet every week
🪟Shop window
Invites you in. The shop needn't sell that piece, or any piece.
🛒Self-service shelf
Picking up isn't acceptance. You offer at the counter; billing accepts.
📋Menu or price list
Your order is the offer; ‘we're out’ is a lawful refusal.
📚Catalogue
Your order offers; confirming or dispatching accepts.
📰Most newspaper ads
‘Laptops from ₹29,999’ invites orders; it promises nobody anything.
🔨Auction notice
Each bid is an offer; the hammer accepts.
📑Tender notice
Each tender is an offer; the inviter picks one, or none.
💬Price quote on request
‘My lowest is X’ answers a question; it doesn't agree to sell.
🛍️Online product page
‘Place order’ is your offer; the site accepts on its own terms, often at dispatch.

The self-service rule suits both sides. If the shelf were the offer, dropping an item in your basket would be acceptance, and swapping it would be a breach. As offeror, you can change your mind; the shop can refuse a sale it can't lawfully make.

ℹ️ Contract law isn't the only law in the shop
A shop can usually refuse a sale at a wrong tag, but consumer law may still punish misleading prices or charging above the printed maximum price. That is a penalty, not a contract.

When does an advertisement become a real offer?

An ad crosses the line when it is definite, leaves nothing to negotiate and shows the advertiser means to be bound. Three patterns recur.

⚠️ ‘Offer’ on the poster proves nothing
Options love the word game: ‘The shop said offer, so it is bound.’ Wrong. A ‘Mega Offer: 50% off’ banner is still an invitation. Test the terms, not the label.

How do auctions and tenders work?

Auctions and tenders are organised ways of collecting offers. The notice invites; each bid or tender offers; the deal closes only when the inviter accepts. Until then, the offeror can usually withdraw.

🕒 Timeline
An auction, step by step
  1. 📢
    Step 1
    Auction notice
    Invitation only. Cancel it, and a would-be bidder can't claim travel costs.
  2. 🙋
    Step 2
    A bid is made
    An offer, which lapses once a higher bid comes.
  3. ↩️
    Step 3
    Before the hammer
    The bidder may withdraw; the auctioneer may refuse, unless it's ‘without reserve’.
  4. 🔨
    Step 4
    Hammer falls
    Acceptance. Contract formed.
  5. 🏛️
    Twist
    ‘Subject to confirmation’
    The hammer is only provisional; the bidder can pull out until an authority confirms.

A reserve price is the seller's floor. In an auction without reserve, the seller has promised to sell to the highest genuine bidder, so the owner can't secretly bid up the price or quietly pull the lot.

Tender situationInvitationOfferAcceptance
Ordinary tender (‘supply 1,000 chairs’)Notice inviting tendersEach tender submittedInviter's letter accepting one tender
Standing offer (‘supply up to 1,000 chairs as and when ordered’)Notice inviting tendersTender: a continuing offerEach order placed is a separate acceptance
‘We bind ourselves to accept the highest bid’None: the notice itself is an offer—Putting in the highest bid
→ scroll to see more

Which cases built the rule?

💊
Landmark case · 1953 · Court of Appeal, England
Pharmaceutical Society of Great Britain v Boots Cash Chemists
📋
What happened
Boots let customers take certain medicines off open shelves and pay at a cash desk watched by a pharmacist. The law required a pharmacist to supervise their sale.
❓
The question
Was the sale made at the shelf or at the cash desk?
🔨
What the court held
At the desk. The display invited; the customer offered at the desk and the shop accepted there, under supervision.
What CLAT takes from it: In self-service, the customer offers and the cashier accepts.
🔪
Landmark case · 1961 · Divisional Court, England
Fisher v Bell
📋
What happened
A shopkeeper displayed a priced flick knife in his window. A new law punished anyone who sold or ‘offered for sale’ such knives.
❓
The question
Was the window display an ‘offer for sale’?
🔨
What the court held
No. In contract law a priced display is only an invitation. The court wouldn't fill the gap in the law, so he was acquitted.
What CLAT takes from it: A priced window display is an invitation, even when common sense says ‘it's on sale’.
📨
Landmark case · 1893 · Privy Council
Harvey v Facey
📋
What happened
Harvey wired: ‘Will you sell us Bumper Hall Pen? Telegraph lowest cash price.’ Facey replied: ‘Lowest price £900.’ Harvey wired: ‘We agree to buy for £900.’ No reply came.
❓
The question
Was Facey's reply an offer that Harvey accepted?
🔨
What the court held
No. Facey answered only the price question, never saying he would sell. Harvey's telegram was an offer nobody accepted.
What CLAT takes from it: Quoting a price on request is information, not an offer.
🔨
Landmark case · 1969 · Supreme Court of India
Union of India v Bhimsen Walaiti Ram
📋
What happened
Bhimsen was the highest bidder for a liquor-shop licence, but every final bid needed the Chief Commissioner's confirmation. He didn't pay the deposit, the bid wasn't confirmed, and a re-auction fetched far less. The government sued for the shortfall.
❓
The question
Was there a contract when the auction ended?
🔨
What the court held
No. A conditional acceptance isn't a contract, so he could withdraw until confirmation. He owed nothing.
What CLAT takes from it: If confirmation is required, the hammer is not the final acceptance.

How has CLAT asked it?

CLAT has asked one shop question that turns on this. The auction question after it is CLAT-style practice we wrote, not a past paper.

📝 Asked in CLAT 2019 · Q65 Shop sale by conduct
Principle: An agreement may be entered into orally, in writing, or by conduct. Facts: ‘A’ went to the shop of ‘B’ and picked a tooth brush and gave a cheque of Rupees twenty to B and left the shop.

Choose the most appropriate answer.

AA entered into an agreement with B.
BA did not enter into an agreement with B.
CPayment of tooth brush cannot be made through a cheque.
DA should have carried a currency note of Rupees twenty to make the payment.
Reveal answer + reasoning
Answer: A
Our solution; 2019 has no official key. The displayed brush was an invitation; handing it over with a ₹20 cheque was A's offer by conduct; B taking the cheque and letting him go was acceptance by conduct. No words needed.
Why the others fail
  • B — ignores that conduct alone can form an agreement.
  • C — nothing restricts payment mode, and B took the cheque.
  • D — how the price is paid doesn't decide whether an agreement exists.
🧪 CLAT-style practice (not a past question) CLAT-style: auction
At an auction, each bid is an offer. The sale is complete when the auctioneer announces it by the fall of the hammer or in any other customary manner. Until such announcement, any bidder may retract his bid.

Rohan bids ₹52,000 for a vintage bike; nobody bids higher. As the hammer rises, Rohan shouts, ‘I withdraw my bid!’ The auctioneer brings it down anyway and declares the bike his. Is Rohan bound?

AYes, because his was the highest bid when the hammer fell.
BYes, because a bidder cannot withdraw once nobody bids higher.
CNo, because he retracted his offer before the sale was announced.
DNo, because an auction notice is only an invitation to offer.
Reveal answer + reasoning
Answer: C
Rohan's bid was an offer he could retract until the hammer fell. He did, so there was nothing left to accept.
Why the others fail
  • A — a withdrawn bid can't be accepted.
  • B — the passage allows retraction until the announcement.
  • D — true, but the issue is Rohan's bid, not the notice.
💥 Myth vs fact
Myth vs fact
🙅 Myth
A price tag is the shop's promise to sell.
Tap to bust it →
✅ Fact
It's an invitation. You offer at the counter; the shop can refuse.
🙅 Myth
If an ad says ‘offer’, it's legally an offer.
Tap to bust it →
✅ Fact
Substance decides. A definite reward notice is an offer even without the word.
🙅 Myth
The highest bidder automatically becomes the buyer.
Tap to bust it →
✅ Fact
A bid is an offer. The sale comes at the hammer, or at confirmation if required.
🙅 Myth
The lowest tender must win.
Tap to bust it →
✅ Fact
Only if the inviter promised that. Otherwise it may choose.

Can you spot the real offer?

🎯 Quick quiz
Quick quiz: five fact patterns
0 / 5
A café menu lists a paneer wrap at ₹180. Aarav orders one; the café says it's out of paneer.

Q1. Can Aarav sue for breach?

Zoya texts Rohan: ‘Would you sell your guitar? Lowest price?’ Rohan: ‘Lowest is ₹8,000.’ Zoya: ‘Done, I'll buy at ₹8,000.’ Rohan sells it elsewhere.

Q2. Was there a contract?

Kabir's notice: ‘₹2,000 to anyone who returns my lost phone.’ Rohan reads it, finds the phone and returns it.

Q3. Can Rohan claim ₹2,000?

A railway accepts Aarav's tender to supply ‘up to 500 kg of jaggery, as and when ordered’. It orders 100 kg, then nothing more.

Q4. Can Aarav claim for the other 400 kg?

Suppose a law makes every shop price display an offer, accepted when the customer brings the item to the counter. Zoya brings a jacket wrongly tagged ₹300 (real price ₹3,000).

Q5. Under this rule, which is correct?

🎯 In a nutshell
  • An invitation to offer asks for offers; it can't be accepted.
  • Displays, shelves, menus, catalogues, most ads, quotes, auction and tender notices are invitations.
  • The customer, bidder or tenderer offers; the inviter accepts or refuses.
  • An ad is an offer only if definite and binding: rewards, ‘first come, first served’, ‘we will accept the highest bid’.
  • Bids and tenders can be withdrawn before acceptance; required confirmation is the real acceptance.
📎 Good to know, not to memorise
  • Indian Contract Act, 1872: proposal s.2(a); acceptance s.2(b); revocation before acceptance s.5; acceptance by performing conditions s.8. The phrase ‘invitation to offer’ comes from English case law.
  • Sale of Goods Act, 1930, s.64: auction sale complete on the fall of the hammer; bids retractable until then.
  • Boots [1953] 1 All ER 482; Fisher v Bell [1961] 1 QB 394; Harvey v Facey [1893] AC 552; Bhimsen Walaiti Ram AIR 1971 SC 2295; Maddala Thanthaiah AIR 1966 SC 1724.
  • State tenders must satisfy Article 14; misleading prices: Consumer Protection Act, 2019.
Label the offer, then beat the clock
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Frequently asked questions

What is an invitation to offer in simple words?
A message asking people to come forward with offers, without committing its sender: a price tag, menu, catalogue, most ads, auction or tender notices. Nobody can accept it. The person responding makes the offer, and the business may accept or refuse.
Is a price tag in a shop an offer or an invitation to offer?
An invitation. Taking the item to the counter is your offer; billing it is acceptance. So a shop can refuse a sale at a wrong price, though consumer rules may separately penalise misleading pricing or charging above the printed maximum price.
Can an advertisement ever be an offer?
Yes, when it is definite, leaves nothing to negotiate and shows the advertiser means to be bound by whoever meets its terms. Reward notices and ‘first come, first served’ deals with a fixed item, price and time are classic examples. ‘Huge discounts this weekend’ stays an invitation.
In an auction, who makes the offer and when is the contract formed?
The bidder offers; the notice only invites. The contract forms when the auctioneer accepts, usually at the fall of the hammer, and a bidder may withdraw before then. If a bid needs an authority's confirmation, the contract forms only on confirmation.
Is a tender an offer or an invitation to offer?
The notice inviting tenders is the invitation; each tender is an offer the inviter may accept or reject. A tender to supply ‘as and when ordered’ is a standing offer: each order is a separate acceptance.

Keep going

📚
Part of the chapter
Law of Contracts for CLAT: The Complete Chapter Guide
See how this topic fits the whole of Law of Contracts →

Connected topics in other chapters

Every topic in Law of Contracts

  1. 1.Offer and Acceptance for CLAT: How a Deal Is Born
  2. 2.Invitation to Offer vs Offer: The Shop-Window Trap (you're here)
  3. 3.Postal Rule, Revocation and Online Acceptance
  4. 4.Consideration: Something for Something
  5. 5.Privity of Contract: Who Can Sue?
  6. 6.Family Promises vs Business Deals: Intention to Create Legal Relations
  7. 7.Minor's Agreement for CLAT: Why It's Void (Not Voidable)
  8. 8.Coercion vs Undue Influence: The Pressure Tests
  9. 9.Fraud vs Misrepresentation: Lies, Half-Truths and Silence
  10. 10.Mistake of Fact vs Mistake of Law in Contracts
  11. 11.Void vs Voidable vs Illegal: Getting the Label Right
  12. 12.Lawful Object and Public Policy: When the Purpose Kills the Deal
  13. 13.Restraint of Trade: Non-Compete Clauses Explained
  14. 14.Wagering Agreements: Bets, Lotteries and Insurance
  15. 15.Contingent Contracts: "If This Happens, Then…"
  16. 16.Frustration and Discharge: When a Contract Dies
  17. 17.Breach of Contract and Damages: What Can You Claim?
  18. 18.Quasi-Contracts: Obligations Without an Agreement
  19. 19.Indemnity vs Guarantee: Who Pays If It Goes Wrong?
  20. 20.Agency in Contract Law: Acting for Someone Else

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