# The Chrome Root Program will phase-out PKI hierarchies found in violation of subordinate CA extendedKeyUsage requirements. — TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)

For The Chrome Root Program will phase-out PKI hierarchies found in violation of subordinate CA extendedKeyUsage requirements., requirement is The Chrome Root Program will phase-out PKI hierarchies found in violation of subordinate CA extendedKeyUsage requirements; effective date is 2026-06-15; authority is Google Chrome Root Program; scope is CAs included in the Chrome Root Store, recorded from its source on 2026-08-05.

- **Requirement:** The Chrome Root Program will phase-out PKI hierarchies found in violation of subordinate CA extendedKeyUsage requirements.
- **Effective date:** 2026-06-15
- **Authority:** Google Chrome Root Program _(our reading, not quoted from the source)_
- **Scope:** CAs included in the Chrome Root Store _(our reading, not quoted from the source)_

## What the source says

> Beginning June 15, 2026 , the Chrome Root Program will phase-out PKI hierarchies found in violation of the below requirements.

## Source

- https://googlechrome.github.io/chromerootprogram/

Last verified: 2026-08-05. Review by: 2026-11-03.
Part of [TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)](https://referencesource.org/tls-certificate-requirement-effective-dates/).