Defining or modifying the purchase order characteristics Use this page to define or modify the Purchase Order (PO) characteristics for the supplier. Select Setup > Customer Profiles. Click Add or Edit corresponding to the customer profile. The Customer Profile page is displayed. Select the Adjust PO Reject Level check box in the Discrete PO Preferences section. Click Supplier List. The PO Characteristics page is displayed. Review the Facility Information section. Select the check box corresponding to the supplier in the PO Characteristics by Supplier section. Specify or modify this information: Supplier The name of the supplier. PO Reject Level The level at which the supplier can reject the PO. None Header Line Item Click Update or Return.