Credits or commission invoices are then automatically created when the account balance of a user exceeds the payment limit. The credit is automatically created for the period since the last credit - provided that the amount paid was therefore not exceeded in a month, will be given as a credit period instead of one month then just two months. In the credit at the net amount (corresponding to the account balance) depending on the user information, the VAT. Added and gross instructed. Commission statements can be viewed in the admin area under bills and printed.