When a contract consists of reciprocal promises to be simultaneously performed, no promisor need perform his promise unless the promisee is ready and willing to perform his reciprocal promise.
Illustrations
(a) A and B contract that A shall deliver goods to B to be paid for by B on delivery.
A need not deliver the goods, unless B is ready and willing to pay for the goods on delivery.
B need not pay for the goods, unless A is ready and willing to deliver them on payment.
(b) A and B contract that A shall deliver goods to B at a price to be paid by instalments, the first instalment to be paid on delivery.
A need not deliver, unless B is ready and willing to pay the first instalment on delivery.
B need not pay the first instalment, unless A is ready and willing to deliver the goods on payment of the first instalment.
Illustrations
(a) A and B contract that A shall deliver goods to B to be paid for by B on delivery.
A need not deliver the goods, unless B is ready and willing to pay for the goods on delivery.
B need not pay for the goods, unless A is ready and willing to deliver them on payment.
(b) A and B contract that A shall deliver goods to B at a price to be paid by instalments, the first instalment to be paid on delivery.
A need not deliver, unless B is ready and willing to pay the first instalment on delivery.
B need not pay the first instalment, unless A is ready and willing to deliver the goods on payment of the first instalment.
India Code, Government of India. Text fetched 09 Oct 2026. Check the linked official text and subsequent notifications when applying a provision.