This proposed rule seeks to advance interoperability improve transparency and support the access exchange and use of electronic health information through proposals for: standards adoption adoption of certification criteria to advance public health data exchange expanded uses of certified application programming interfaces such as for electronic prior authorization patient access care management and care coordination and information sharing under the information blocking regulations. It proposes to establish a new baseline version of the United States Core Data for Interoperability. The proposed rule would update the ONC Health IT Certification Program to enhance interoperability and optimize certification processes to reduce burden and costs. The proposed rule would also implement certain provisions related to the Trusted Exchange Framework and Common Agreement TEFCA which would support the reliability privacy security and trust within TEFCA.