The German Bundestag passed the "Gesundheitsdatennutzungsgesetz" (GDNG) on March 22, 2024, aimed at improving the use of health data for public welfare-oriented research and the data-based development of the healthcare system. This law regulates the processing of health data for research, healthcare improvement, and other public interest purposes. It establishes a central data access and coordination office within the Federal Institute for Drugs and Medical Devices to support and advise users on accessing health data. The GDNG also introduces measures to enhance data protection, ensure transparency, and promote the secondary use of health data. It mandates the establishment of a public metadata catalog, an application register, and a secure processing environment for linking and processing pseudonymized health data from various sources.