# Regulation (EU) 2018/1861 of the European Parliament and of the Council of 28 November 2018 on the establishment, operation and use of the Schengen Information System (SIS) in the field of border checks, and amending the Convention implementing the Schengen Agreement, and amending and repealing Regulation (EC) No 1987/2006, Article 6: National systems

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

Each Member State shall be responsible for setting up, operating, maintaining and further developing its N.SIS and connecting it to NI-SIS.
Each Member State shall be responsible for ensuring the uninterrupted availability of SIS data to end-users.
Each Member State shall transmit its alerts through its N.SIS.

---
Source: https://www.legislation.gov.uk/eur/2018/1861/article/6 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1861/article-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.