Private customers About us eBill User Feedback Would You like to Become a Test User? Would You like to Become a Test User? Register as a test user and we will contact you via e-mail for a feedback discussion on your use of eBill, during which we will introduce you to new functions as an eBill user.Your opinion is important to us! We are delighted by all registrations, but can still only invite a limited number of test users to take part. Personal Details Title* Ms. Mr. First name* Last name* E-mail* Age* Your bank* Message I have read and accepted the data protection regulations of SIX.