Raise a purchase order credit note from the Purchasing module:
Click Purchasing, then click Transactions.
Click Purchase Credit Note, then complete the mandatory fields marked with a red star.
Select the required Type, then once all fields are completed, click Save.
Once saved, the credit note is posted to a batch before being posted to the ledger.
Edit a credit note
If required to edit before posting:
Select the order number, then click Edit Order.
Make the required changes then click Save.
Process the credit note
Click Purchasing then click Transactions.
Click Process Credit Notes, then find the credit note.
Once the credit note is complete, select the ones you wish to process then click Process Credit Notes.