In forceUpdated to 1 Jan 2006Current version · Updated to 1 Jan 2006
Contracts Act 1950 · Updated to 1 Jan 2006 · Part IV · Of Contingent Contracts
34. Enforcement of contracts contingent on an event not happening
Feedback & supportContingent contracts to do or not to do anything if an uncertain future event does not happen can be enforced when the happening of that event becomes impossible, and not happening.
A agrees to pay B a sum of money if a certain ship does not return. The ship is sunk. The contract can be enforced when the ship sinks.