You will find the field master data in the dropdown menu of the main navigation.
Under the item master data, you can call up and download your address data and your daily updated individual connection records.
Here you can view and download your invoices.
Change bank account
If you want to change your bank account details, you can do so under "Your bank account" and issue the direct debit mandate.
You can use the change button to access your contract data and have the SEPA mandate sent to your saved email address.