# Subscriber Certificate OCSP responses MUST be available 15 minutes after issuance. — TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)

For Subscriber Certificate OCSP responses MUST be available 15 minutes after issuance., requirement is Subscriber Certificate OCSP responses MUST be available 15 minutes after issuance; effective date is 2025-01-15; baseline requirements section is 4.9.9; authority is CA/Browser Forum TLS Baseline Requirements; scope is all publicly-trusted CAs issuing TLS server certificates, recorded from its source on 2026-08-05.

- **Requirement:** Subscriber Certificate OCSP responses MUST be available 15 minutes after issuance. _(verified: appears in the quote below)_
- **Effective date:** 2025-01-15 _(verified: appears in the quote below)_
- **Baseline Requirements section:** 4.9.9 _(verified: appears in the quote below)_
- **Authority:** CA/Browser Forum TLS Baseline Requirements _(our reading, not quoted from the source)_
- **Scope:** all publicly-trusted CAs issuing TLS server certificates _(our reading, not quoted from the source)_

## What the source says

> 2025-01-15 | 4.9.9 | Subscriber Certificate OCSP responses MUST be available 15 minutes after issuance.

## Source

- https://cabforum.org/working-groups/server/baseline-requirements/requirements/

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/).