21 st Century Cures Act: Interoperability, Information Blocking, and the ONC Health IT Certification Program. Learn More. Latest Updates. Extension of Compliance Dates and Timeframes in Response to COVID-19 ... The rule is designed to give patients and their healthcare providers secure access to health information. It also aims to increase ...About ONC's Cures Act Final Rule‧High-level Timelines‧NPRM vs. Final Rule‧For Patients‧For Clinicians‧For Developers.