Alexa Seleno
@alexaseleno
April 3, 2026
Formation of Contract: Proposal, Acceptance & Communication Rules Explained

Formation of Contract: Proposal, Acceptance & Communication Rules Explained

Here’s a clear and structured explanation of Formation of Contract – Essential Conditions: Proposal and Acceptance, including the law relating to communication, acceptance, and revocation under contract law (primarily based on principles from the Indian Contract Act, 1872).


📘 Formation of Contract

Essential Conditions: Proposal and Acceptance

A contract is formed when one party makes an offer (proposal) and the other party accepts it. These are the foundation of a valid contract.


🔹 1. Proposal (Offer)

✅ Meaning

According to Section 2(a) of the Indian Contract Act:
A proposal is when one person signifies to another their willingness to do or abstain from doing something, with a view to obtaining the assent of that other person.

👉 The person making the proposal = Promisor
👉 The person accepting = Promisee

📌 Example

A says to B, “I will sell my bike for ₹50,000.”
➡️ This is a proposal.


🔹 2. Acceptance

✅ Meaning

As per Section 2(b):
When the person to whom the proposal is made assents to it, the proposal becomes a promise.

👉 Acceptance must be:

  • Absolute and unqualified
  • Communicated properly
  • Given in the prescribed or reasonable manner

📌 Example

B says, “I accept your offer.”
➡️ This becomes a contract (promise).


🔹 3. Communication of Proposal

📖 Legal Rule

The communication of a proposal is complete when it comes to the knowledge of the person to whom it is made.

📌 Example

A sends a letter to B offering to sell goods.
➡️ Proposal is complete when B receives and reads it.


🔹 4. Communication of Acceptance

Communication of acceptance has two aspects:

(A) As against the proposer

It is complete when the acceptance is put into a course of transmission to him.

(B) As against the acceptor

It is complete when it comes to the knowledge of the proposer.

📌 Example (Postal Rule)

A offers by letter. B posts acceptance.

  • Against A (proposer): Complete when B posts the letter
  • Against B (acceptor): Complete when A receives it

🔹 5. Communication of Revocation

Revocation means cancellation of proposal or acceptance.

📖 Legal Rule

Communication of revocation is complete:

  • Against the person who revokes → when it is put into transmission
  • Against the person to whom it is made → when it comes to their knowledge

🔹 6. Revocation of Proposal

A proposal can be revoked:

  • Before acceptance is complete against the proposer
  • But not after acceptance is posted

📌 Example

A sends offer to B.
B posts acceptance.
➡️ A cannot revoke after B has posted acceptance.


🔹 7. Revocation of Acceptance

Acceptance can be revoked:

  • Before it reaches the proposer

📌 Example

B sends acceptance by letter.
Then sends a faster telegram rejecting it.
➡️ If rejection reaches A first, acceptance is revoked.


🔹 8. Key Rules Summary

Concept When Communication is Complete
Proposal When it comes to knowledge of receiver
Acceptance (Proposer) When posted/sent
Acceptance (Acceptor) When received
Revocation When received by the other party

⚖️ Important Points to Remember

  • Silence is not acceptance
  • Acceptance must match the proposal exactly
  • Communication is essential for validity
  • Revocation must be timely

🧾 Conclusion

Proposal and acceptance are the core elements in the formation of a contract. The law ensures clarity by defining when communication is complete and when revocation is valid. Understanding these rules helps avoid disputes and ensures legally enforceable agreements.


If you want, I can also:
✅ Convert this into exam notes (short answers)
✅ Create case laws/examples for better understanding
✅ Provide MCQs for practice

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