Crediting of advance invoice/in arrears invoice

To credit an advance invoice or an in arrears invoice you should do the following:

1. Load the order number in the Register customer order procedure.
2. Go to the Invoicing plan tab.
3. Mark the partial invoice which you want to credit (partial invoices for advance and/or in arrears).
4. Select Create credit invoice, see image below:
   

Please note! It is only possible to create a credit invoice if the advance/in arrears has been invoiced.