C-25 - Code of Civil Procedure

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438. Anyone who, expecting to be a party to a legal proceeding, has reason to fear that some evidence that he will need may become lost or more difficult to present may, by motion, ask:
(a)  that the witnesses whose absence or incapacity he fears be heard before the hearing;
(b)  that anything movable or immovable, the condition of which may affect the outcome of the expected legal proceeding, be examined by a person of his choice.
1965 (1st sess.), c. 80, a. 438.