CiviCRM import received payments

This work is made with the application CiviCRM, which help non-profit organization (the “association??)? manage their members (the “member??). This work specifically consist of importing membership payments? into CiviCRM database, based on a banking statement (the “list of payments??) received by association.? The list of payments is a CSV file, containing multiples entries, one per payment. Each entry contain a? reference number (the “BV?? number, with the member id and other info), and an amount.