# Approval of Respiratory Protective Devices
> **US Department of Health and Human Services** · Rule · Published 2021-09-27 · 86 FR 53228
## Document
- **Document number:** 2021-21061
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 86 FR 53228
- **CFR reference:** 42 CFR 84
- **Publication date:** 2021-09-27
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/09/27/2021-21061/approval-of-respiratory-protective-devices)
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