The system issues an expenditure cash slip when overpayments are refunded in cash. Overpayments can be refunded in the Invoicing section of the Client card. Refunded overpayments are displayed in the list at the bottom of the page. There you can also download an expenditure cash slip in PDF format. You may then print it.

If you want to issue an expenditure cash slip when there is no overpayment to be refunded in the ISPadmin system, you can do the following: In the Invoicing section of the Client card, click on Receive payment in cash. Then fill in the Add to credit field at the bottom of the form. Enter a particular amount and save the form. Now there is an overpayment in a given client. Refund the overpayment by clicking on Return overpayment. Then you can print the slip.