Section 4 explained: this guide covers what it means, who it applies to, the step-by-step process, documents required, fees, due dates and penalties in India — so you can stay compliant with confidence and avoid costly mistakes.
Section 4 defines a contract of sale of goods and then separates two things that look alike in a business deal: a sale, where the property in the goods passes to the buyer under the contract, and an agreement to sell, where the transfer is to take place at a future time or subject to a condition still to be fulfilled. The label changes later rules, so the difference is worth knowing before you sign.
A contract of sale is one by which the seller "transfers or agrees to transfer the property in goods to the buyer for a price". It may be absolute or conditional. Where the property is transferred under the contract, it is called a sale; where the transfer is to take place at a future time or subject to a condition, it is called an agreement to sell. An agreement to sell becomes a sale when the time elapses or the conditions are fulfilled.
Where the section fits
This article follows the consolidated text of the Act consulted (latest amendment shown: Act 28 of 1993); later amendments should be checked in the official text. Section 4 opens Chapter II (Formation of the contract) under the sub-heading "Contract of sale". It uses two words defined in section 2: "property" (the general property in goods) and "price" (the money consideration). Both are explained in our article on the section 2 definitions. A drafter who is choosing between a present sale and a future one should settle that wording in the contract itself, which is where agreement drafting helps.
Section 4(1): what a contract of sale is
Section 4(1) says: "A contract of sale of goods is a contract whereby the seller transfers or agrees to transfer the property in goods to the buyer for a price." Four elements can be picked out:
- a seller and a buyer;
- goods;
- a transfer, or an agreement to transfer, of the property in those goods; and
- a price.
The second sentence adds: "There may be a contract of sale between one part-owner and another." So a part-owner of goods can sell his share to another part-owner, and it is still a contract of sale.
Because the contract is for a "price", which section 2(10) defines as money consideration, the section describes a sale for money. Because it covers the seller who "agrees to transfer", the definition also takes in the agreement to sell, which section 4(3) then distinguishes.
Section 4(2): absolute or conditional
"A contract of sale may be absolute or conditional." The sub-section is only one line. It tells the reader that a sale contract can be made subject to a condition without ceasing to be a contract of sale. What the conditional contract means for the property is worked out in sub-sections (3) and (4).
Section 4(3): sale and agreement to sell
This is the central rule. It has two limbs:
- "Where under a contract of sale the property in the goods is transferred from the seller to the buyer, the contract is called a sale."
- "But where the transfer of the property in the goods is to take place at a future time or subject to some condition thereafter to be fulfilled, the contract is called an agreement to sell."
The test is the property in the goods, and not the handing over of the goods. A contract is a sale if the property is transferred under the contract. It is an agreement to sell if the transfer will happen later or only on a condition. When property actually passes is a separate question that Chapter III answers; see the article on sections 18 and 19.
Section 4(4): when an agreement to sell becomes a sale
"An agreement to sell becomes a sale when the time elapses or the conditions are fulfilled subject to which the property in the goods is to be transferred." Two triggers are named: the time elapses, or the conditions are fulfilled.
Example (the writer's own, not printed in the Act): On 5 April, Neha Appliances signs a contract to sell a particular refrigerator to Bhatia Stores, with the property to pass on 1 May. On 5 April the contract is an agreement to sell, because the transfer is to take place at a future time. On 1 May, when the time elapses, it becomes a sale.
Second example (also the writer's own): Joshi Hardware agrees to sell a pallet of cement to Farhan Builders, the property to pass only after Farhan's bank approves the payment. Until that condition is fulfilled it is an agreement to sell; once it is fulfilled it becomes a sale.
Comparison table
| Point | Sale | Agreement to sell |
|---|---|---|
| Section | 4(3), first limb | 4(3), second limb; 4(4) |
| Property in the goods | transferred from seller to buyer under the contract | transfer to take place at a future time or subject to a condition |
| What changes it | nothing further needed | time elapses or conditions fulfilled (4(4)) |
| Called | a sale | an agreement to sell |
Why does this matter? Several later sections use both words. Section 7 speaks of a "contract for the sale of specific goods", while section 8 deals with an "agreement to sell specific goods" that perish later; section 6(3) says a present sale of future goods "operates as an agreement to sell". Those differences are the subject of Sections 6-8, and how either kind of contract is made, by offer and acceptance, is the subject of section 5.
Link with the Contract Act
Section 4 does not repeat the general requirements of a valid contract. Under section 3, the unrepealed provisions of the Indian Contract Act, 1872 continue to apply save where inconsistent. For the essentials of a valid contract, see Section 10 of the Indian Contract Act, 1872.
Drafting points
- State in the contract whether the property passes now or later. If later, say when or on what condition.
- If the contract is conditional, set out the condition in terms that a third person could check.
- Remember that the Act's own label depends on the transfer of property, not on what the parties call the document. A paper headed "Sale Agreement" may be an agreement to sell if the transfer is to come later.
The text does not say more about the label than the sub-sections above; this article adds no further rule.
Need help with a sale or supply contract?
If you are unsure whether your document makes an immediate sale or only an agreement to sell, our team can draft the agreement so that the moment of transfer is written in plain terms.
Key takeaways
- A contract of sale transfers, or agrees to transfer, the property in goods for a price.
- It may be absolute or conditional.
- If the property is transferred under the contract it is a sale; if the transfer is future or conditional it is an agreement to sell.
- An agreement to sell becomes a sale when the time elapses or the conditions are fulfilled.
- A contract of sale can be between one part-owner and another.
Read next
- Section 5 of the Sale of Goods Act, 1930: how a contract of sale is made
- Sections 6-8 of the Sale of Goods Act, 1930: existing or future goods and goods that perish
- Sections 18-19 of the Sale of Goods Act, 1930: when property passes
- Section 10 of the Indian Contract Act, 1872: essentials of a valid contract
Disclaimer: Based on the consolidated text of the Sale of Goods Act, 1930 consulted on 2 October 2026, whose latest amendment shown is Act 28 of 1993. It explains the words of the statute only; later amendments and the way courts apply these sections should be checked. This article is general information, not legal advice; check the official text before acting.