CCQ-1991 - Civil Code of Québec

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1556. A valid payment may only be made by a person having a right in the thing due which entitles him to give it in payment.
However, payment of a sum of money or of any other thing due that is consumed by use may not be recovered against a creditor who has used it in good faith, even though it was made by a person who was not authorized to make it.
1991, c. 64, a. 1556.