Open the order you want to create the credit memo for and click the Create Credit Memo button on the right toolbar.
If you are giving a credit for a particular line item, delete all line items except the one to which credit is being given.
Click Ok to process Credit Memo.
If the Credit Memo is for a specific amount (not tied to line item):
Follow steps 1 thru 2 above.
Change the line item amount to the amount of credit memo, by double clicking the pretax price and changing the price accordingly.
If applicable, make sure taxes are correctly shown.
Click Ok to process Credit Memo.
Note: Order must be in a sale Status and the amount of credit memo can not exceed the amount of the balance due on
order.