Existing purchases for the selected events are listed in the top right-hand corner. Open individual purchases as needed by double-clicking.

1. At the top right, select which Delivery type you would like to see: existing orders, confirmations, deliveries and/or invoices. Confirm by clicking  Apply. The last selection is automatically saved for the next time you open the overview.
2. In the main window, the quantity of a required item that is not yet covered is shown in the "Unmet" column. The requirement is considered unmet until one or more purchase orders are created with a sufficient quantity.
3. To see which and how many items are covered by an existing purchase order, select the delivery in the top right-hand window by left-click.
4. In the main window, the value in the "Unmet" column changes: The quantity/number that is not covered by the selected delivery will appear.
5. To see the current status of unmet items again, including all existing orders, select all deliveries with the Shift/Ctrl key and left-click or Ctrl+A.