Hey there @BitAndArtGmbH
We’d love nothing more than to help you update your tax interview. Unfortunately, these forums are not designed to assist with that level of support. Please go to https://www.epicgames.com/help/en-US/c-Category_BillingSupport and submit a support case to our billing team, and they will be able to help you. Also, please provide them with a screenshot showing where you are being blocked.
Please let us know if you need additional support!