ICA Section 56: Agreement to do impossible act. An agreement to do an act impossible in itself is void. Contract to do act afterwards becoming impossible or unlawful
Indian Contract Act, 1872 · Chapter 4: Performance of Contracts
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56. Agreement to do impossible act. An agreement to do an act impossible in itself is void. Contract to do act afterwards becoming impossible or unlawful . A contract to do an act which, after the contract is made, becomes impossible, or, by reason of some event which the Promisor could not prevent, unlawful, becomes void when the act becomes impossible or unlawful.
Compensation for loss through non-performance of act known to be impossible or unlawful.-Where one person has promised to do something which he knew, or, with reasonable diligence, might have known, and which the promisee did not know, to be impossible or unlawful, such promisor must make compensation to such promisee for any loss which such promisee sustains through the non-performance of the promise.
Illustrations
(a) A agrees with B to discover treasure by magic. The agreement is void,
(b) A and B contract to marry each other. Before the time fixed for the marriage, A goes mad. The contract becomes void.
(c) A contracts to marry B, being already married to C, and being forbidden by the law to Which he is subject to Practice polygamy, A must make compensation to B for the loss caused to her by the non-performance of his promise.
(d) A contracts to take in cargo for B at a foreign port. A's Government afterwards declares war against the country in which the port is situated. The contract becomes void when war is declared.
(e) A contracts to act at a theatre for six months in consideration of a sum paid in advance by B. On several occasions A is too ill to act. The contract to act on those occasions becomes void.
Official reference: India Code, Legislative Department — checked: 29 September 2026.
This text is for reference, not legal advice. Consult the official source for the authoritative text.
Other sections in this chapter
- 37. Obligation of parties to contracts
- 38. Effect of refusal to accept offer of performance
- 39. Effect of refusal of party to perform promise wholly
- 40. Person by whom promise is to be performed
- 41. Effect of accepting performance from third person
- 42. Devolution of joint liabilities
- 43. Any one of joint promisors may be compelled to perform
- 44. Effect of release of one joint promisor
- 45. Devolution of joint rights
- 46. Time for performance of promise, when no application is to be made and no time is specified
- 47. Time and place for performance of promise, where time is specified and no application to be made
- 48. Application for performance on certain day to be at proper time and place
- 49. Place for performance of promise, where no application to be made and no place fixed for performance
- 50. Performance in manner or at time prescribed or sanctioned by promisee
- 51. Promisor not bound to perform, unless reciprocal promisee ready and willing to perform
- 52. Order of performance of reciprocal promises
- 53. Liability of party preventing event on which the contract is to take effect
- 54. Effect of default as to that promise which should be first performed, in contract consisting of reciprocal promises
- 55. Effect of failure to perform at fixed time, in contract in which time is essential
- 57. Reciprocal promise to do things legal and also other things illegal
- 58. Alternative promise, one branch being illegal
- 59. Application of payment where debt to be discharged is indicated
- 60. Application of payment where debt to be discharged is not indicated
- 61. Application of payment where neither party appropriates
- 62. Effect of novation, rescission, and alteration of contract
- 63. Promisee may dispense with or remit performance of promise
- 64. Consequences of rescission of voidable contract
- 65. Obligation of person who has received advantage under void agreement, or contract that becomes void
- 66. Mode of communicating or revoking rescission of voidable contract
- 67. Effect of neglect of promisee to afford promisor reasonable facilities for performance