Alexa Seleno
@alexaseleno
May 19, 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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anirban16

MFLOOR is the individual sole proprietorship Business of (ANIRBAN MUKHERJEE). At MFLOOR, we bring over 15 years of experience in the real estate industry, proudly serving clients across West Bengal and Jharkhand. Our reputation is built on trust, transparency, and a commitment to delivering exceptional real estate solutions.

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