Attaching the mapping to a CSV cash payment format Use this procedure to apply the mapping once it is attached to a CSV cash payment format. See Creating cash payment formats. Select Cash > Administration > Setup. In the Payment panel, click Cash Payment Formats. Open the payment format that generates the output file. On the Main tab, select CSV File on the Payment Format field. Note: If you select a non-CSV format, the Payment Format field is not shown. Select the Payment Output Mapping that you created. Configure the remaining fields and click Save.