Reference Source

The Chrome Root Store will only include a maximum of two (2) self-signed root CA certificates per CA Owner.

What is the effective date for The Chrome Root Store will only include a maximum of two (2) self-signed root CA certificates per CA Owner.?

For The Chrome Root Store will only include a maximum of two (2) self-signed root CA certificates per CA Owner., effective date is 2027-09-15; authority is Google Chrome Root Program; scope is CAs included in the Chrome Root Store, recorded from its source on 2026-08-05.

Effective September 15, 2027 , the Chrome Root Store will only include a maximum of two (2) self-signed root CA certificates per CA Owner.

googlechrome.github.io, retrieved 2026-08-05

2027-09-15
The date this requirement takes effect, as printed in the issuing programme's own effective-date table. Verified against the passage quoted below.
Sourcegooglechrome.github.io
Verified
Review by
DatasetTLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)
Requirement
The Chrome Root Store will only include a maximum of two (2) self-signed root CA certificates per CA Owner. verified
Effective date
2027-09-15
Authority
Google Chrome Root Program our reading
Scope
CAs included in the Chrome Root Store our reading

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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How long can a TLS/SSL certificate be valid — and when does the maximum drop?Find the maximum certificate lifetime on any date, and the deadline that lands next.
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