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Baseline Requirements for TLS Server Certificates and Extended Validation (EV) Guidelines

These documents are maintained by the Server Certificate Working Group.

Baseline Requirements for Code Signing Certificates

This document is maintained by the Code Signing Certificate Working Group.

Network and Certificate System Security Requirements

This document is maintained by the Network Security Working Group.

Bylaws

CA/Browser Forum Bylaws are available on the Bylaws page.

Intellectual Property Rights Policy Documents

IPR documents are available on the IPR Policy page.

Guidance on Deprecation of Use of Internal Names and IP Addresses

Guidance on the Deprecation of Use of Internal Names and IP Addresses is available here.

Latest releases
Server Certificate Requirements
SC099: Improve Recording of Validation Methods - May 19, 2026

Code Signing Requirements
v3.8 - Aug 5, 2024

What’s Changed CSC-25: Import EV Guidelines to CS Baseline Requirements by @dzacharo in https://github.com/cabforum/code-signing/pull/38 Full Changelog: https://github.com/cabforum/code-signing/compare/v3.7...v3.8

S/MIME Requirements
v1.0.14 - Ballot SMC016 - May 5, 2026

This ballot maintains consistency between the S/MIME Baseline Requirements and the TLS Baseline Requirements with changes introduced by Ballots SC096 and SC097. Specifically, this ballot: Creates a carve-out of the logging requirements for DNSSEC specifically, stating these are not in scope. For audit purposes, change management logging is able to confirm if the appropriate controls are in effect or not. Sunsets all remaining use of SHA-1 signatures in Certificates and CRLs. It is noted that most uses of SHA-1 signatures are already deprecated by SC097. With this ballot, all unexpired Subordinate CA Certificates issuing S/MIME containing the SHA-1 signature algorithm must be revoked. This proposal does not prohibit the use of SHA-1 to generate issuerKeyHash or issuerNameHash values as currently required by RFC 5019. Includes minor formatting corrections.

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025

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The Certification Authority Browser Forum (CA/Browser Forum) is a voluntary gathering of Certificate Issuers and suppliers of Internet browser software and other applications that use certificates (Certificate Consumers).