The European Commission Authentication Service (ECAS) is the system that validates the identity of users accessing the online services and websites operated by the European Commission. It requires all users to create and maintain an ECAS account.

Target audience
This document is targeted at users who have never created an ECAS account before as it explains the steps involved in creating an ECAS account for the first time.
It is not intended or required for users who already have an ECAS account.
If you already have an ECAS account, please continue to use that existing account.
Do not create a second ECAS account.

pdfECAS instruction >>>