Fundamentals of Business Laws and Business Communication · E-Contracts and E-Signature - Meanings and Requirements

Contingent Contracts and Pledge by a Mercantile Agent

Updated 10 October 2026 · Fact-checked

A contingent contract depends on an uncertain collateral event. Under Section 32, it cannot be enforced until the event happens. Under Section 33, it can be enforced only when the event becomes impossible. Under Section 178, a mercantile agent in possession of goods with the owner's consent can validly pledge them if he acts in the ordinary course of business and the pledgee acts in good faith without notice.

Understand Contingent Contracts and Pledge by Mercantile Agent

A contingent contract is a contract to do or not to do something if some event, collateral to the contract, does or does not happen. Section 31 gives this definition. Example: A promises to pay B ₹1,00,000 if B's house is burnt. The fire is uncertain and is not the main purpose of the contract. A contract of insurance is the classic case.

Section 32 deals with contracts contingent on an event happening. Such a contract cannot be enforced by law unless and until that event has happened. If the event becomes impossible, the contract becomes void. Example: A agrees to buy B's car for ₹4,00,000 if A's loan is sanctioned. Until the loan is sanctioned, B cannot sue. If the sanction of the loan becomes impossible, for example because the loan is finally refused and cannot be obtained, the contract is void.

Section 33 deals with contracts contingent on an event not happening. Such a contract can be enforced only when the happening of that event becomes impossible, and not before. Example: A agrees to pay B ₹50,000 if a particular ship does not return. If the ship sinks, its return becomes impossible and A must pay.

So remember the link: Section 32 waits for the event to happen. Section 33 waits for the event to become impossible. A contingent contract is not a wager. In a contingent contract the event is collateral and the parties usually have a real interest. A wager is a promise to pay money or money's worth on an uncertain event. The event is the sole basis of the agreement, and neither party has any interest in it other than the stake. A contract is not void merely because it is contingent. It is valid if it meets the essentials of a valid contract.

Section 178 is about pledge. Normally only the owner of goods can pledge them. As an exception, a mercantile agent (an agent who in customary course of business has authority to sell goods, consign goods for sale, buy goods or raise money on the security of goods) can make a valid pledge. The conditions are: he is in possession of the goods or the documents of title with the owner's consent; he pledges them when acting in the ordinary course of business of a mercantile agent; and the pledgee acts in good faith and has no notice that the pledgor has no authority to pledge. If these are met, the pledge is as valid as if the owner had made it.

Key formulas to remember

Contingent contract (Section 31): Contract to do or not do something if a collateral event does or does not happen; The event must be uncertain and collateral, not part of the promise itself.
Event happening (Section 32): Enforceable only after the event happens; void if the event becomes impossible; Wait for the event.
Event not happening (Section 33): Enforceable only when the happening of the event becomes impossible; Wait until the event can no longer happen.
Pledge by mercantile agent (Section 178): Valid if: possession with owner's consent + ordinary course of business + pledgee in good faith without notice; All three conditions must be present.
Contingent contract vs wager: Contingent: event collateral, real interest | Wager: event is the whole basis, only stake at risk; A wagering agreement is void; a contingent contract is valid if it meets the essentials of a valid contract.

How to solve Contingent Contracts and Pledge by Mercantile Agent questions

Use this method for any scenario or MCQ on contingent contracts or pledge by a mercantile agent.

1Identify the type: is there an 'if' event (contingent) or goods pledged by someone who is not the owner (Section 178)?
2For a contingent contract, check the event is uncertain and collateral to the main promise.
3Decide whether the contract depends on the event happening (Section 32) or not happening (Section 33).
4Apply the rule: Section 32 needs the event to happen; Section 33 needs the event to become impossible.
5If the event has become impossible under Section 32, say the contract is void.
6For a pledge, check each condition: mercantile agent, possession with owner's consent, ordinary course of business, pledgee's good faith and no notice.
7State the result: enforceable now, not yet enforceable, void, or valid pledge binding on the owner.

Quickest way: Wait-for-the-event shortcut

When to use it: When an MCQ gives a short 'if the event happens or does not happen' case or a pledge by an agent.

Look for the word 'if' and note whether the event is positive (happens) or negative (does not happen).
Positive event: ask 'has it happened?' If yes, enforce. If impossible, void.
Negative event: ask 'is it now impossible?' If yes, enforce. If still possible, not enforceable.
For pledge, tick three boxes: consent possession, ordinary course, good faith. Any missing box means the pledge is not protected by Section 178.
Be careful with options that say the owner is never bound. Do not eliminate an option just because the contract is contingent: a contingent contract is not void merely for being contingent.

Common mistakes in Contingent Contracts and Pledge by Mercantile Agent

Treating the contingent event as part of the promise itself.
Students miss the word 'collateral'.
Fix: Check the event is outside the main performance, like a fire in an insurance contract.
Mixing up Sections 32 and 33.
Both use the same event idea with opposite direction.
Fix: Section 32: event happens. Section 33: event becomes impossible. Link the number to the rule.
Saying a contingent contract is void just because it is contingent.
Confusion with wagering agreements.
Fix: A contingent contract is not void merely because it is contingent. It is valid if it meets the essentials of a valid contract, though it cannot be enforced until the condition is met.
Calling every contingent contract a wager.
Both depend on uncertain events.
Fix: A wager is purely a bet with no other interest. Insurance is contingent, not a wager.
Ignoring the pledgee's good faith in Section 178.
Students focus only on the agent's possession.
Fix: Always check that the pledgee acted in good faith and had no notice that the pledgor had no authority to pledge.
Applying Section 178 to a person who got possession without the owner's consent, such as a thief.
The word 'possession' is read alone.
Fix: Possession must be with the owner's consent and the person must be a mercantile agent.

Worked examples

Example 1

A agrees to pay B ₹2,00,000 if B's shop is destroyed by fire. The shop is not destroyed. Can B enforce the contract? Which section applies?

Show the solution

The event is fire, which is uncertain and collateral, so the contract is contingent.
The contract depends on the event happening, so Section 32 applies.
Under Section 32, it cannot be enforced until the event happens.
The shop has not burned, so the event has not happened. B cannot enforce it now.
The contract becomes void under Section 32 once it is certain that the shop can no longer be destroyed by fire, such as when the shop is demolished for another reason.

Answer: B cannot enforce the contract unless the shop is destroyed by fire. Section 32 applies.

Example 2

Ravi, a mercantile agent, holds 100 bags of rice with the owner Mohan's consent for sale. In the ordinary course of business, Ravi pledges the bags to Sunil, who acts in good faith and has no notice that Ravi lacks authority to pledge. Is the pledge valid against Mohan?

Show the solution

Ravi is a mercantile agent in possession of goods with the owner's consent.
He pledged in the ordinary course of business of a mercantile agent.
Sunil, the pledgee, acted in good faith and had no notice that the pledgor lacked authority to pledge.
All the conditions of Section 178 are met.

Answer: The pledge is valid, and it binds Mohan as if he had made it himself.

Exam tips

Expect short scenario MCQs asking which section applies; first decide whether the event happens or does not happen.
Learn the one-line rule for each section and the keyword 'impossible' for Section 33.
For the contingent contract versus wager question, remember: collateral event and real interest versus pure bet.
For Section 178, check all conditions in order; a missing one usually makes the 'valid pledge' option wrong.
With no negative marking, attempt every question. Do not pick an option just because it calls a contingent contract void; being contingent does not make a contract void.

Practice questions from E-Contracts and E-Signature - Meanings and Requirements

Contingent Contracts and Pledge by Mercantile Agent in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Contingent Contracts and Pledge by Mercantile Agent: frequently asked questions

What is the difference between Section 32 and Section 33?

Section 32 covers a contract that depends on an event happening, and it can be enforced only after the event happens. Section 33 covers a contract that depends on an event not happening, and it can be enforced only once the event becomes impossible.

How is a contingent contract different from a wagering agreement?

In a contingent contract the uncertain event is collateral and the parties generally have a real interest in it, as in insurance. A wagering agreement is a bet where each party wins or loses only on the outcome. A contingent contract is valid if it meets the essentials of a valid contract; a wager is void.

When is a pledge by a mercantile agent valid?

Under Section 178, it is valid when the agent has possession of the goods or documents of title with the owner's consent and pledges them in the ordinary course of business. The pledgee must act in good faith without notice that the pledgor has no authority to pledge.

Who is a mercantile agent?

A mercantile agent is one who in the customary course of business has authority to sell goods, consign goods for sale, buy goods or raise money on the security of goods. A factor, who has possession of goods for sale, is a common example.