Xero Integration - Apply a credit note to an invoice in Xero

Within your Xero account on the Invoices page, click into the invoice you wish to apply the credit note to.

Click on the three dots on the right hand side at the top, select Create and Apply Credit from the dropdown this opens up a new window.
​Note: It may have the credit note already selected or you may need to add the credit note number.

Click Approve and Save, you will then see the credit note deducted from the invoice total.