A code ultimate and multipurpose for control every of invoices. Features: indicant invoice, you crapper add or withdraw an invoice with no requirement to control the client enter (the code module do it automatically), change the invoice number, encounter easily an invoice, indicant a set inform (GST,PST,TVA…) from a limited instance period, commercialism (+/-) and balance, invoices summary, older report, client history, client statements, etc.