Good afternoon, I would like to know where I can see help with filling out the form that was given to me at the time of enrollment of the allowance for invoices to be automatically debited from the bank account.
Its the easiest way to call the Hotline at 0800 800 800, visit a Swisscom Shop or your Bank.
@Dipautief66 to complete the answer / solution of @DomiP
these requests can be made via the Swisscom Customer Center> My Swisscom > Profile settings
> Billing account> change the means of payment and remittance of invoices
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