688. The immovable must be adjudged to the last bidder; when there is only one bidder, he must be declared the purchaser. The adjudication cannot in any case be made before the expiration of 15 minutes from the first bid and five minutes from the last bid.
A person who has purchased for another is bound to state immediately the name, capacity and residence of his principal, and to furnish proof of his mandate; in default of which he is held to have purchased in his own name. He is likewise held to have purchased in his own name if the person for whom he acted is unknown, cannot be found, is notoriously insolvent or is incapable of being purchaser.
1965 (1st sess.), c. 80, a. 688.