In this scenario the customer paid the full amount, one of the products was not required and we are refunding the customer for that one item
The order must be invoiced for the Credit note option to be present.
Once you select “Credit note” a new order will be created with the same number but a new version,( .B .C .D ) will be created.
The Status will be set to “Credit Note”
Now select “Options” then “Edit”
Remove the items that you are not refunding
Finalise the order
Ensure that the item details are correct, at this stage you can change the price, if required.
Remember that it needs to remain as a negative value.
Once you are happy with the order select “Accept” and refund the amount required
The original order will not be update or show any information relating to the credit note.