# Regulation (EU) 2017/2226 of the European Parliament and of the Council of 30 November 2017 establishing an Entry/Exit System (EES) to register entry and exit data and refusal of entry data of third-country nationals crossing the external borders of the Member States and determining the conditions for access to the EES for law enforcement purposes, and amending the Convention implementing the Schengen Agreement and Regulations (EC) No 767/2008 and (EU) No 1077/2011, Article 7: Technical architecture of the EES

Extent: E+W+S+N.I.

1. The EES shall be composed of:
(a) a Central System (EES Central System);
(aa) the CIR central infrastructure as referred to in point (a) of Article 17(2) of Regulation (EU) 2019/817;
(b) a National Uniform Interface (NUI) in each Member State based on common technical specifications and identical for all Member States, enabling the connection of the EES Central System to the national border infrastructures in Member States in a secure manner;
(c) a Secure Communication Channel between the EES Central System and the VIS Central System;
(d) a Communication Infrastructure, which shall be secure and encrypted, between the EES Central System and the NUIs;
(e) the web service referred to in Article 13;
(f) a secure communication infrastructure between the EES Central System and the central infrastructures of the ESP and the CIR.
1a. The CIR shall contain the data referred to in points (a) to (d) of Article 16(1), points (a), (b) and (c) of Article 17(1) and Article 18(1) and (2). The remaining EES data shall be stored in the EES Central System.
2. The EES Central System shall be hosted by eu-LISA in its technical sites. It shall provide the functionalities laid down in this Regulation in accordance with the conditions of availability, quality and speed pursuant to Article 37(3).
3. Without prejudice to Commission Decision 2008/602/EC, certain hardware and software components of the Communication Infrastructure of the EES shall be shared with the communication infrastructure of the VIS referred to in Article 1(2) of Decision 2004/512/EC. Logical separation of VIS data and EES data shall be ensured.

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Source: https://www.legislation.gov.uk/eur/2017/2226/article/7 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2226/article-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.