Abstract: The invention relates to a benefit management method for a user when he pays for a transaction carried out with at least one affiliated merchant by means of a bank chip and/or magnetic card. The users application data items are stored in a chip and/or in a remote external server and a determined promotional program is stored and/or available at the merchant. The inventive method consists in questioning the chip and/or the server on the application data assigned to said card, in using eventual already obtained benefits and/or in generating new benefits according to the application data and the determined promotional program of the merchant prior to updating said application data of the user.