How to change the charge account of my direct debit bills SISTEMA May 18, 2021 20:05 Select the debit account and click on Direct debits > Direct debits inquiry. Choose the corresponding direct debit, click on "Modify account" and choose the account to which you want to change the direct debit. Related articles How to change the charge account of my direct debit bills How to block a direct debit bill How do I set up a new direct debit? How to block a direct debit bill What do I have to do to pay an outstanding direct debit bill due to a low balance? Comments 0 comments Article is closed for comments.