# Commission Regulation (EC) No 29/2009 of 16 January 2009 laying down requirements on data link services for the single European sky (Text with EEA relevance), Division 3

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

End-to-end data communications shall support a common standardised end-to-end protection mechanism to ensure the integrity of messages received consistent with safety requirements of the data link services defined in Annex II.

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Source: https://www.legislation.gov.uk/eur/2009/29/annex/IV/part/A/division/3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-29/annex-IV/part-A/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.