CCQ-1991 - Civil Code of Québec

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1502. Where an obligation is dependent on the condition that an event will not occur within a given time, the condition is considered fulfilled once the time has elapsed without the event having occurred, and also when, before the time has elapsed, it becomes certain that the event will not occur.
Where no time has been fixed, the condition is not considered fulfilled until it becomes certain that the event will not occur.
1991, c. 64, a. 1502.