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Step 4: Closing the purchase order.

Only once the full amount of a purchase order has been posted by an invoice can an invoice is posted for an 'Allow Single Invoice' purchase order will the purchase order be closed. This automatically updates when the total amount of the purchase order has been posted by an invoice for 'Allow Single Invoice' Purchase Orders.Invoice is posted. 

To close a 'Allow Multiple Invoices' purchase order, open the purchase order and select “Closed” from the Status drop-down menu in the header and click the “Save” toolbar icon. Closing the purchase order will disable all fields from edits other than the “Type” and “Status” fields in the header. To reopen a purchase order, the Purchase Order must be saved as a 'Type' of 'Allow Multiple Invoices'. To reopen a purchase order of this type, change the “Status” selection to “Open” and click the “Save” toolbar icon. This will reopen all fields other than the PO and Description header fields for edits. To reopen a purchase order with a 'Type' of 'Allow Single Invoice,' change the 'Type' selection to 'Allow Multiple Invoices' and change the 'Status' selection to 'Open' and click the 'Save' toolbar icon.