The ClieOP plug-in has been designed for clients who deliver business payments or direct debits electronically to Interpay. Prior to submitting business payments or direct debits you have to sign a contract and to fill out the form: Aanmelding Incasso, Zakelijke Betalingen, Acceptgiro (registration form 5.2328). On this form you specify among others the way items are to be notified back to your bank and whether you want to receive VerwInfo payment information.