Interoperability Architecture Solutions
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European Interoperability Reference Architecture Specification
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**EIRA & eGovERA**

*Directorate-General for Informatics*

:Reference:  European Interoperability Reference Architecture Specification – EIRA and eGovERA v1.0.0
:Keywords:   EIRA, eGovERA, ABBs, SBBs, Archimate, interoperability


Change Control
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+---------------------+-----------------------------------------------------+
| **Modification**    | **Details**                                         |
+=====================+=====================================================+
| **Version 1.0.0**   |                                                     |
+---------------------+-----------------------------------------------------+
| **Current version** |                                                     |
+---------------------+-----------------------------------------------------+


Disclaimer
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The information and views set out in this publication are those of the
author(s) and do not necessarily reflect the official opinion of the
Commission. The Commission does not guarantee the accuracy of the data
included in this document. Neither the Commission nor any person acting
on the Commission's behalf may be held responsible for the use which may
be made of the information contained therein.

© European Union, 2026

**European Commission**

Directorate-General for Informatics

Directorate B – Digital Public Services, Unit B2 – Interoperability Unit

Contact: Catalin Moruju – Project Officer for the Interoperability Architecture Action

E-mail: Catalin.MORUJU@ec.europa.eu

*European Commission B-1049 Brussels*


Intellectual Property Rights
----------------------------

The work is licensed under the European Union Public Licence (EUPL) v1.2.
Reuse is authorised provided the source is acknowledged.

The reuse policy of European Commission documents is regulated by
Decision 2011/833/EU (OJ L 330, 14.12.2011, p. 39).


Foreword
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This Specification has been produced by the Interoperability Architecture
Solutions team, a Digital Europe (DEP) Programme initiative in alignment
with the European Standardisation Regulation 1025/2012.