Pay-to Vendor Validations Note: The system validates Pay-to Vendors linked to Media Vendors during Media Order creation. Validation is based on: Vendor status Effective start and end dates relative to the plan duration  Multiple Pay-to Vendors Linked to a Media Vendor Scenario 1 3 Pay-to Vendors linked: 1 in Created status → Invalid 1 in Open status → Valid 1 with an end date outside the plan duration → Invalid Result: Only one valid Pay-to Vendor exists. No selection popup appears. The Media Order is created automatically using the valid Pay-to Vendor. Scenario 2 4 Pay-to Vendors linked: 1 in Created status → Invalid 2 in Open status → Valid 1 with an end date outside the plan duration → Invalid Result: A Select Pay-to Vendor popup appears. All Pay-to Vendors are displayed with status and date information. Only valid Pay-to Vendors can be selected. Scenario 3 All Pay-to Vendors are invalid. Result: An error message is displayed. The Media Order cannot be created. Single Pay-to Vendor Linked to a Media Vendor If only one Pay-to Vendor exists: Created status → Invalid (error displayed) Open status → Valid (Media Order is created) End date outside plan duration → Invalid (error displayed) No Pay-to Vendor Linked to a Media Vendor If no Pay-to Vendor is linked: The system automatically assigns the Media Vendor as the Pay-to Vendor. Media Order creation is permitted.