https://health.ec.europa.eu/ehealth-digital-health-and-care/european-health-data-space-regulation-ehds_en (zie key milestones) - March 2025: The EHDS Regulation enters into force, marking the beginning of the transition period. - March 2027: Deadline for the Commission to adopt several key implementing acts, providing detailed rules for the regulation operationnalisation. - March 2029: Key parts of the EHDS Regulation will enter into application, including, for primary use, the exchange of the first group of priority categories of health data (Patient Summaries, ePrescriptions/eDispensations) in all EU ember States. Rules on secondary use will also start to apply for most data categories (e.g. data from electronic health records). - March 2031: For primary use, the exchange of the second group of priority categories of health data (medical images, lab results, and hospital discharge reports) should be operational in all EU Member States. Rules on secondary use will also start to apply for the remaining data categories (e.g. genomic data). - March 2034: Third countries and international organisations will be able to apply to join HealthData@EU, for the secondary use.