1.
Make an order for the customer.
2.
Enter an item in the order.
3.
Enter a negative quantity that agrees with the refund.
4.
Repeat 2 and 3 until refund total is correct.
5.
Enter a negative payment for the amount you want to pay them. A negative payment is equivalent to saying
that you are paying them instead of the normal positive payment which is them
paying you.
6.
The balance should be zero.
7.
Finalize/post the invoice.
8.
This will show up on the refunds report.
All
done.