CA/Browser Forum

ETSI – European Telecommunications Standards Institute

Current Standards (as of Sept. 2020)

For the most current version of ETSI standards, please refer to this site:

Conformity Assessment – EN 319 403

General Policy Requirements for a TSP – EN 319 401

General Requirements for a TSP issuing certificates – EN 319 411-1

Requirements for a TSP issuing EU qualified certificates – EN 319-411-2

You can also use the number for that ETSI standard on this search page:


National Accreditation Bodies (NABs)

Accredited Conformity Assessment Bodies (CABs)

ETSI Electronic Signatures and Infrastructure (ESI)

Specialist Task Forces

Specialist Task Force 457 works on Framework and Coordination Activities – Coordinating the fulfilment of the Rationalised Framework for electronic signature standards across all areas as defined in Phase 1a and in line with mandate M/460, and at executing tasks that requires joint ETSI-CEN activities with regards to the fulfilment of the Rationalised Framework. It also addresses cryptographic suites which overlap with standardisation addressed by both CEN and ETSI.

STF 458 works on Trust Service Providers (TSP) Supporting electronic signatures - To align specifications for TSP supporting electronic signatures with the rationalised framework, addressing any gaps identified in the rationalised framework work plan, and the progression of all the relevant specifications to EN status.

Previous Versions

General Policy Requirements for CAs – EN 319 401 and EN 319 411-1

Data and Record Systems Security – TS 101 533-1

Qualified Certificates – EN 319 411-2 (replaces TS 101 456)

Publicly Trusted Certificates – EN 319 411-3 (replaces TS 102 042)

Extended Validation Certificates – TS 103 090 and TR 101 564

Certificate Profiles – TS 119 412 and EN 319 412

  1. Part 1: Overview and common data structures- EN 319 412-1 V0.0.4 (2013-09) (pdf)
  2. Part 2: Certificate Profile for certificates issued to natural persons – TS 119 412-2 V1.2.1(2013-08) (pdf)
  3. Part 2: Certificate Profile for certificates issued to natural persons – TS 119 412-2 V1.1.1 (2012-04) (pdf)
  4. Part 3: Certificate profile for certificates issued to legal persons – EN 319 412-3 V0.0.4 (2013-09) (pdf)
  5. Part 4: Certificate profile for web site certificates issued to organisations -EN 319 412-4 V0.0.5 (2013-09) (pdf)
  6. Part 5: Extension for Qualified Certificate profile – EN 319 412-5 V1.1.1 (2013-01) (pdf)

(Replaces TS 101 862 – Qualified certificate profile)

Time Stamping – EN 319 421 (replaces TS 101 861)

CEN is also working on a security Protection Profile  (PP) for time-stamping systems.

Trusted Lists – Harmonization of Status Information

Latest releases
Code Signing Requirements
v3.7 - Mar 4, 2024

S/MIME Requirements
v1.0.4 - Ballot SMC06 - May 11, 2024

Ballot SMC06: Post implementation clarification and corrections

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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).