# Commission Implementing Regulation (EU) 2019/123 of 24 January 2019 laying down detailed rules for the implementation of air traffic management (ATM) network functions and repealing Commission Regulation (EU) No 677/2011 (Text with EEA relevance), Article 1: Subject matter and scope

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

1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. The network functions subject to this Regulation shall be the following:
(a) the European Route Network Design (ERND);
(b) the Air Traffic Flow Management (ATFM) as referred to in Article 6(7) of Regulation (EC) No 551/2004 and in Regulation (EU) No 255/2010;
(c) as regards the coordination of scarce resources:
(i)radio frequencies within aviation frequency bands used by general air traffic;
(ii)the radar transponder codes.
3. For the purpose of implementing the network functions, this Regulation applies to the CAA airspace users, air navigation service providers, airport operators, and airport slot coordinators....
4. This Regulation applies to the airspace under the responsibility of the United Kingdom.

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Source: https://www.legislation.gov.uk/eur/2019/123/article/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-123/article-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.