Once an invoice has been associated with an invoice you will be able to see that relationship on both the purchase order and invoice records by scrolling to the bottom of the transactoin record.

When you click on "Edit Purchase Order" after an invoice has already been created, you may notice that there are limitations to what can be edited on the purchase order.

Items will not be able to be deleted and only certain details of the purchase order will be allowed to be edited. All details such as custom fields, purchase order title, delivery address, project, department, etc. will be allowed to be edited but specific item details will be locked.

The only editable field on the item details will be the GL Account.

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The reason for locking these fields is by design as deliveries and invoices are associated with purchase orders and editing/deleting them will cause a discrepancy in the 3 way match between what was ordered, delivered, and invoiced.

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If changes need to made to a purchase order, users can delete invoices and/or deliveries and then make changes to the relevant purchase order if needed.

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Please note that there are branch settings that can be enabled/disabled to ensure that there is a 3 way match.

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