The free subscription does not allow you to issue of more than 3 documents per month. Paid subscriptions allow you to exceed the number of documents included. The price for each document that exceeds the number of documents included is 0.5 EUR.

If you exceed the number of documents, you will be immediately notified in the top of the page of the additional costs:

You can always check your current account status by going to ‘Company profile’ -> ‘online-billing-service.com Subscription’