# Commission Regulation (EC) No 1032/2006 of 6 July 2006 laying down requirements for automatic systems for the exchange of flight data for the purpose of notification, coordination and transfer of flights between air traffic control units (Text with EEA relevance), Division 2.1.2: The information subject to the change of frequency process shall include any of the following, if available:

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

release indication,
cleared flight level,
assigned heading/track or direct clearance,
assigned speed,
assigned rate of climb/descent.

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Source: https://www.legislation.gov.uk/eur/2006/1032/annex/I/part/C/division/2/division/2.1/division/2.1.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1032/annex-I/part-C/division-2/division-2.1/division-2.1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.