P-42, r. 11 - Regulation respecting the sale of livestock by auction

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33.1. Weight result: The operator must ensure that the weight result indicated on the information board corresponds to that on the main readout that is printed on the weight card by the printer.
As soon as the result is printed on the weight card, he must ensure that the weight indicated on the information board corresponds to the result printed on the card.
He must also ensure that the weight of the animal offered for sale in the sale arena remains on the information board in public view until the auctioneer has completed the sale.
O.C. 1262-86, s. 15.