Problem
An invoice was created with tax charges that should have been non-taxable. A refund needs to be issued for the tax that was incorrectly charged.
Solution
Find and go to the invoice.
On the invoice screen, click Add adjustment invoice.
On the Add a Task screen, add a negative refund task and enter the amount of the tax that was incorrectly charged.
Click Save.
On the adjustment invoice screen, click Add a payment.
On the Add a Payment screen, enter the amount of the tax that was incorrectly charged as a negative amount.
On the Type dropdown, select Refund.
On the Memo field, enter Refund.
Click Save.