# Authorization Domain Names must be derived based on the validation method to be used. For Authorization Domain Names must be derived based on the validation method to be used., effective date is 2026-11-15; baseline requirements section is 3.2.2.4; authority is CA/Browser Forum TLS Baseline Requirements; scope is all publicly-trusted CAs issuing TLS server certificates, recorded from its source on 2026-09-24. - **Requirement:** Authorization Domain Names must be derived based on the validation method to be used. _(verified: appears in the quote below)_ - **Effective date:** 2026-11-15 _(verified: appears in the quote below)_ - **Baseline Requirements section:** 3.2.2.4 _(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 > 2026-11-15 | 3.2.2.4 | Authorization Domain Names must be derived based on the validation method to be used. ## Source - https://cabforum.org/working-groups/server/baseline-requirements/requirements/ Last verified: 2026-09-24. Review by: 2026-12-23. Part of [TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)](https://referencesource.org/tls-certificate-requirement-effective-dates/).