Action of distributing between the buyer and the seller the sums that the seller paid before the sale transaction, in relation to municipal and school taxes, common expenses (condo fees), etc., and whose payment benefits the buyer according to the date agreed between the parties for the transfer of the fraction. The same shall apply to sums which have not yet been invoiced to the vendor but for which he is responsible for payment. For example, if the sale of the apartment was concluded during the year, but the municipal taxes have not been paid, the vendor must remit to the purchaser the portion corresponding to the period of the year during which he owned the apartment.