Partial Refund
Click into the refund Invoice.
Click "Process Refund."
Type in the amount you would like to refund.
Enter the payment type.
Press "Submit" in the top right hand corner.
Partial Payment
Click into the Invoice.
Click "Process Payment"
Type in the amount you would like to process.
Enter the payment type.
Press "Submit" in the top right hand corner.
See below for a visual representation of a partial payment
Partial Payments are also the process you would use to do a split payment.