Verwendung der Steueridentifikationsnummer als einzigartige permanente Identifikationsnummer für die nationale European Digital Identity Wallet

This written question seeks to clarify whether the national tax identification number can be used as the unique, permanent identifier for Germany's implementation of the European Digital Identity Wallet. The goal is to determine if existing administrative identifiers can simplify the digital identity rollout. This affects German citizens and residents who will use the digital wallet for interacting with government services and private providers across the EU.