e-CFR Navigation Aids


Simple Search

Advanced Search

 — Boolean

 — Proximity


Search History

Search Tips


Latest Updates

User Info


Agency List

Incorporation By Reference

eCFR logo

Related Resources

Electronic Code of Federal Regulations

We invite you to try out our new beta eCFR site at https://ecfr.federalregister.gov. We have made big changes to make the eCFR easier to use. Be sure to leave feedback using the Feedback button on the bottom right of each page!

e-CFR data is current as of July 29, 2021

Title 42Chapter IVSubchapter A → Part 404

Title 42: Public Health

Part 404—XXX

Link to an amendment published at 86 FR 5753, Jan. 19, 2021.

Link to a delay published at 86 FR 15404, Mar. 23, 2021.

return arrow Back to Top

Need assistance?