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Every relying party registers in the Member State where it is established before relying on the wallet. These guides walk you through registration, certificates and what comes next.
How to register
The registration steps with your national registrar, from application to certificates.
Registration requirements
What you must provide under Implementing Regulation (EU) 2025/848, point by point.
Access and registration certificates
What each certificate does and how wallets use it.
Deadlines 2026–2027
Key dates, marked as stated in the text or calculated from it.
Technical essentials
OpenID4VP, HAIP and how certificates appear in wallet requests.
National registers
Registrars and official sources, Member State by Member State.
Open and independent
The source of this knowledge base is public on GitHub. Suggestions and corrections are welcome.