What contract and cancellation periods does billwerk offer? Robert Ohlig August 06, 2018 08:44 Updated Follow In every plan from S to L there is a monthly contract period with a monthly payment and a monthly cancellation period. If you would like to have a longer period, please feel free to contact us by mail email@example.com. Related articles How can i use the hosted signup page and the hosted customer portal? What does billwerk cost? How can I create plans and plan variants? How does the SEPA DD prenotification work? Comments 0 comments Please sign in to leave a comment.