517. At the time appointed for the sale, the clerk or some other person acting for him, shall sell to the highest bidder the immovables described in the notice upon which taxes are still due, after making known the amount to be raised on each of such immovables, including therein a part of the costs incurred for the sale, proportionate to the amount of the debt. The immovables shall be put up and sold separately, in the order in which they are given in the notice.
R. S. 1964, c. 193, s. 553.