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  • Aug 31,2026

Contract Act, Section 9

Contract Act, Section 9: Express and Implied Promises

Section 9 of the Indian Contract Act, 1872 distinguishes between express and implied promises, recognizing that contractual obligations may arise through words or through the conduct of the parties.

The section gives legal recognition to both forms of promises, ensuring that genuine agreements are enforceable while promoting flexibility and certainty in contractual dealings.

1. Purpose of Section 9

The primary purpose of Section 9 is to explain that legally enforceable promises may arise through express words or through the conduct of the parties.

The section recognizes both methods equally, ensuring that contracts formed by written or oral communication as well as by conduct are legally valid.

2. Meaning of an Express Promise

An express promise is one in which the proposal or acceptance is communicated through spoken or written words, clearly expressing the intention of the parties.

Such promises commonly arise through agreements, letters, emails, contracts, purchase orders, invoices, text messages, or verbal conversations, making the terms of the contract easier to establish.

3. Features of an Express Promise

An express promise is characterized by clear and direct communication, with the offer and acceptance specifically stated between the parties.

Such promises provide greater certainty by clearly defining the rights and obligations of the parties, reducing the possibility of contractual disputes.

4. Meaning of an Implied Promise

An implied promise arises when the proposal or acceptance is communicated otherwise than by words, and the intention of the parties is inferred from their conduct, actions, or surrounding circumstances.

Where the conduct clearly indicates an intention to create legal obligations, the law recognizes an implied promise as a valid and enforceable contract.

5. Formation of Implied Promises

Implied promises arise when the conduct of the parties, surrounding circumstances, business practices, or previous dealings clearly indicate mutual assent.

For example, when a customer orders and consumes food at a restaurant, the law implies a promise to pay for the meal even without any express agreement.

6. Difference Between Express and Implied Promises

The principal distinction between an express promise and an implied promise is that an express promise is communicated through words, whereas an implied promise is inferred from conduct or surrounding circumstances.

Despite this difference, both forms of promises are equally valid and enforceable, as the law gives importance to the intention of the parties rather than the mode of communication.

7. Importance of Conduct in Implied Promises

Conduct plays a crucial role in determining whether an implied promise has been made, as the actions of the parties must clearly indicate an intention to create a contractual relationship.

Courts examine the conduct of the parties, the nature of the transaction, commercial practices, and surrounding circumstances to determine whether a binding legal obligation was intended.

8. Importance in Modern Commercial Transactions

Section 9 recognizes that contracts may be formed through written, electronic, digital, automated, or conduct-based communications, ensuring that the law accommodates modern commercial practices while maintaining legal certainty.

9. Legal Significance of Express and Implied Promises

The recognition of both express and implied promises enables courts to enforce genuine contractual relationships based on the parties' actual intention, even in the absence of formal documentation or expressly stated terms.

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