SIST EN 319 412-3 V1.4.1:2026

• Abstract:

  The present document specifies a certificate profile for certificates issued to legal persons. The profile defined in the present document builds on requirements defined in ETSI EN 319 412-2 [2]. The present document supports the requirements of EU qualified certificates as specified in the Regulation (EU) No 910/2014 [i.3] as well as other forms of certificate.

• Status: Published
• Public Enquiry End Date: 30-Jun-2026
• Publication Date: 17-Aug-2026
• ICS: 03.080.99 - Other services
• ICS: 35.040.01 - Information coding in general
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 24-Jul-2026
• Due Date: 28-Sep-2026
• Completion Date: 18-Aug-2026
• Ref Project: ETSI EN 319 412-3 V1.4.1 (2026-07) - Electronic Signatures and Trust Infrastructures (ESI); Certificate Profiles; Part 3: Certificate profile for certificates issued to legal persons

Overview

SIST EN 319 412-3 V1.4.1:2026 defines a standardized certificate profile for certificates issued to legal persons (such as companies, governmental entities, and organizations). Developed under the Electronic Signatures and Trust Infrastructures (ESI) framework, this European Standard provides essential requirements for ensuring interoperability and trustworthiness in digital certificate creation and management. It is aligned with the requirements of EU qualified certificates, as specified in Regulation (EU) No 910/2014 on electronic identification and trust services (eIDAS), while also being suitable for non-qualified certificates and wider international application.

This document builds on ETSI EN 319 412-2, which specifies certificate profiles for natural persons, and adapts these requirements to the context of legal persons, maximizing secure, standardized identification for organizations throughout Europe and beyond.

Key Topics

• Certificate Profile for Legal Persons
  The standard details the necessary fields and extensions that must be present in certificates for legal persons. Key attributes in the subject field include:

  • countryName: Specifies the country where the organization is established.
  • organizationName: The full registered name of the legal entity.
  • organizationIdentifier: A unique identifier distinct from the organization name.
  • commonName: A recognizable name commonly used by the entity.

• Compliance with eIDAS
  The profile meets the requirements for EU qualified certificates as set out in eIDAS Regulation (EU) No 910/2014, supporting digital trust and regulatory recognition across all EU member states.

• Interoperability
  By following well-established international identifiers (such as those defined in ITU-T X.520, IETF RFC 5280), the profile enhances interoperability in both public and private trust infrastructures, making it a preferred choice for organizations engaged in cross-border electronic transactions.

• Certificate Fields and Extensions
  The document specifies requirements on key usage for supporting digital signatures, particularly for electronic seals (advanced digital signatures by legal entities), ensuring evidence of content origin and integrity.

Applications

The certificate profile outlined in SIST EN 319 412-3 V1.4.1:2026 has broad applicability in establishing secure and trusted digital identities for legal persons. Key applications include:

• Digital Signatures and Seals

  • Enable organizations to sign documents, contracts, and transactions with legal validity across the EU.
  • Support advanced electronic seals in accordance with eIDAS requirements.

• Authentication

  • Facilitate strong, standards-based organization authentication in digital services and platforms.
  • Support secure access to public and private online services.

• Cross-Border Transactions

  • Enable recognition of organization-issued certificates throughout the European Economic Area and internationally, streamlining business and governmental processes.

• Regulatory Compliance

  • Ensure adherence to legal and regulatory frameworks for electronic identification and trust services, minimizing risks and simplifying audits.

Related Standards

To maximize compatibility and compliance, SIST EN 319 412-3 V1.4.1:2026 references and builds upon several international and European standards, including:

• ETSI EN 319 412-2: Certificate profile for certificates issued to natural persons.
• ETSI EN 319 412-1: Overview and common data structures for certificate profiles.
• IETF RFC 5280: Internet X.509 public key infrastructure certificate and CRL profile.
• ITU-T X.520: Directory attribute types for public key certificates.
• ETSI EN 319 411-1: Policy and security requirements for trust service providers issuing certificates.

Practical Value

Adopting this standard allows Certification Authorities, Trust Service Providers, and organizations to issue and manage legally recognized, interoperable certificates for legal persons. This supports secure digital identity, trust services compliance, and effective participation in the EU Digital Single Market and global electronic transactions. By following these clear and harmonized requirements, organizations can ensure higher levels of trust, regulatory compliance, and operational efficiency in their digital processes involving electronic signatures, seals, and secure communications.

Draft ETSI EN 319 412-3 V1.4.0 (2026-04)

EUROPEAN STANDARD
Electronic Signatures and Trust Infrastructures (ESI);
Certificate Profiles;
Part 3: Certificate profile for certificates issued
to legal persons
2 Draft ETSI EN 319 412-3 V1.4.0 (2026-04)

Reference
REN/ESI-0019412-3v141
Keywords
electronic signature, IP, profile, security, trust
services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2026.
All rights reserved.
ETSI
3 Draft ETSI EN 319 412-3 V1.4.0 (2026-04)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols, abbreviations and notations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
3.4 Notations . 7
4 Profile requirements . 7
4.1 Generic requirements . 7
4.2 Basic certificate fields . 7
4.2.1 Subject . 7
4.3 Standard certificate extensions . 8
4.3.1 Key usage. 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 Draft ETSI EN 319 412-3 V1.4.0 (2026-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo are trademarks of ETSI registered for the benefit of its Members and of the
3GPP Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of ®
the oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and Trust
Infrastructures (ESI), and is now submitted for the combined Public Enquiry and Vote phase of the ETSI EN Approval
Procedure (ENAP).
The present document is part 3 of multi-part deliverable covering the Certificate Profiles. Full details of the entire series
can be found in part 1 [i.4].
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months
...

EUROPEAN STANDARD
Electronic Signatures and Trust Infrastructures (ESI);
Certificate Profiles;
Part 3: Certificate profile for certificates issued
to legal persons
2 ETSI EN 319 412-3 V1.4.1 (2026-07)

Reference
REN/ESI-0019412-3v141
Keywords
electronic signature, IP, profile, security,
trust services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part of this document may be reproduced in any form, by any means and in any media, without the prior written
authorization of ETSI and except as expressly permitted below.
By way of exception and when the document is a normative deliverable (European Standard (EN),
Technical Specification (TS), Group Specification (GS) or ETSI Standard (ES)), ETSI authorizes to reproduce
and incorporate into products, services and technical documentation only those extracts (e.g. templates) that are strictly
necessary for the technical implementation of the normative deliverable, to ensure compliance with the latter.
Nothing in this notice shall be construed as limiting any mandatory exceptions to copyright provided by applicable law.

© ETSI 2026.
All rights reserved.
ETSI
3 ETSI EN 319 412-3 V1.4.1 (2026-07)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols, abbreviations and notations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
3.4 Notations . 7
4 Profile requirements . 7
4.1 Generic requirements . 7
4.2 Basic certificate fields . 7
4.2.1 Subject . 7
4.3 Standard certificate extensions . 8
4.3.1 Key usage. 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 ETSI EN 319 412-3 V1.4.1 (2026-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables (European Standard (EN), Technical Specification (TS),
Group Specification (GS) or ETSI Standard (ES)) may have been declared to ETSI. The declarations pertaining to these
essential IPRs, if any, are publicly available for ETSI members and non-members, and can be found in
ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI IPR
online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo are trademarks of ETSI registered for the benefit of its Members and of the
3GPP Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of ®
the oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and Trust
Infrastructures (ESI).
The present document is part 3 of multi-part deliverable covering the Certificate Profiles. Full details of the entire series
can be found in part 1 [i.4].
National transposition dates
Date of adoption of this EN: 9 July 2026
Date of latest announcement of this EN (doa): 31 October 2
...

SLOVENSKI STANDARD
01-september-2026
Elektronski podpisi in infrastrukture zaupanja (ESI) - Profili potrdil - 3. del: Profil
potrdila za potrdila, izdana pravnim osebam
Electronic Signatures and Trust Infrastructures (ESI) - Certificate Profiles - Part 3:
Certificate profile for certificates issued to legal persons
Ta slovenski standard je istoveten z: ETSI EN 319 412-3 V1.4.1 (2026-07)
ICS:
03.080.99 Druge storitve Other services
35.040.01 Kodiranje informacij na Information coding in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
Electronic Signatures and Trust Infrastructures (ESI);
Certificate Profiles;
Part 3: Certificate profile for certificates issued
to legal persons
2 ETSI EN 319 412-3 V1.4.1 (2026-07)

Reference
REN/ESI-0019412-3v141
Keywords
electronic signature, IP, profile, security,
trust services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part of this document may be reproduced in any form, by any means and in any media, without the prior written
authorization of ETSI and except as expressly permitted below.
By way of exception and when the document is a normative deliverable (European Standard (EN),
Technical Specification (TS), Group Specification (GS) or ETSI Standard (ES)), ETSI authorizes to reproduce
and incorporate into products, services and technical documentation only those extracts (e.g. templates) that are strictly
necessary for the technical implementation of the normative deliverable, to ensure compliance with the latter.
Nothing in this notice shall be construed as limiting any mandatory exceptions to copyright provided by applicable law.

© ETSI 2026.
All rights reserved.
ETSI
3 ETSI EN 319 412-3 V1.4.1 (2026-07)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 6
3 Definition of terms, symbols, abbreviations and notations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
3.4 Notations . 7
4 Profile requirements . 7
4.1 Generic requirements . 7
4.2 Basic certificate fields . 7
4.2.1 Subject . 7
4.3 Standard certificate extensions . 8
4.3.1 Key usage. 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 ETSI EN 319 412-3 V1.4.1 (2026-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables (European Standard (EN), Technical Specification (TS),
Group Specification (GS) or ETSI Standard (ES)) may have been declared to ETSI. The declarations pertaining to these
essential IPRs, if any, are publicly available for ETSI members and non-members, and can be found in
ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI IPR
online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo are trademarks of ETSI registered for the benefit of its Members and of the
3GPP Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of ®
the oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This European Standard (EN) has been produ
...