What does the merger look like from a legal perspective?

The short answer: In a legal sense, it concerns a merger between Stichting OPEN and Stichting Stibat Services, which is the administrative organisation of Stichting Batterijen. The longer answer: Stichting OPEN and Stichting Batterijen have entered into a partnership at both the administrative and the operational level. One aspect of this partnership is the merger between Stichting OPEN and the administrative organisation of Stichting Batterijen (Stichting Stibat Services). Through the Batteries Federation, Stichting Batterijen (for importers and producers of portable batteries) and Stichting EPAC (for importers and producers of bicycle batteries) join the governance structure of Stichting OPEN.