To cancel the remaining quantity on all lines of a PO or delete the entire PO Run inquiry using Header Selection criteria on Mass Cancel or Delete Purchase Orders (PO22.2). Select Inquire to display Mass Cancel or Delete Purchase Orders (PO22.3). A list of purchase orders displays. In the FC column, select Cancel Remaining or Delete for each PO. Click the Change form action. Note: Click the Print button to send the report to a specific printer.