The summary of action for WhatsApp's appeal of a 225 million euro EU General Data Protection Regulation fine was published in the Official Journal of the European Union. In its filing to the Court of Justice of the European Union, WhatsApp is seeking full annulment of the penalty on various allegations of improper procedures by the European Data Protection Board. Notably, WhatsApp alleges the EDPB "exceeded its competence" under Article 65 of the GDPR while accusing the board of violating the GDPR during its investigation. Editor's note: Ruth Boardman analyzed key points from the WhatsApp decision.