# Commission Implementing Regulation (EU) No 1207/2011 of 22 November 2011 laying down requirements for the performance and the interoperability of surveillance for the single European sky (Text with EEA relevance), Division 2.1

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

The air navigation service providers shall define performance requirements for the accuracy, availability, integrity, continuity and timeliness of the surveillance data provided by the systems referred to in Article 4(3) and used to enable the surveillance applications conducted.

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Source: https://www.legislation.gov.uk/eur/2011/1207/annex/I/division/2/division/2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1207/annex-I/division-2/division-2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.