# Commission Regulation (EC) No 262/2009 of 30 March 2009 laying down requirements for the coordinated allocation and use of Mode S interrogator codes for the single European sky (Text with EEA relevance), Article 1: Subject matter and scope

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

1. This Regulation lays down requirements for the coordinated allocation and use of Mode S interrogator codes (hereinafter interrogator codes) for the purposes of the safe and efficient operation of air traffic surveillance and civil-military coordination.
2. This Regulation shall apply to eligible Mode S interrogators and related surveillance systems, their constituents and associated procedures, when supporting the coordinated allocation or use of eligible interrogator codes.

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Source: https://www.legislation.gov.uk/eur/2009/262/article/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-262/article-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.