Section 73: Circumstances in which contracts need not be performed

Work under a contract need not be performed in any of the following circumstances:

(a) In case one party to the contract absolves the other party from fulfilling the obligations according to the contract,

(b) In case a voidable contract is made void by the party concerned,

(c) In case one can not execute the contract due to its violation by the other party,

(d) In case it becomes unnecessary to perform the work mentioned in the contract under any provision of this Act,

(e) In case it becomes unnecessary to comply with the contract under Section 79.