# 21st Century Cures Act: Interoperability, Information Blocking, and the ONC Health IT Certification Program
> **US Department of Health and Human Services** · Rule · Published 2020-08-04 · 85 FR 47099
## Document
- **Document number:** C2-2020-07419
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 85 FR 47099
- **CFR reference:** 45 CFR 170
- **Publication date:** 2020-08-04
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/08/04/C2-2020-07419/21st-century-cures-act-interoperability-information-blocking-and-the-onc-health-it-certification)
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