# Commission Decision of 7 November 2006 concerning a technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high speed rail system and modifying Annex A to Decision 2006/679/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European conventional rail system (notified under document number C(2006) 5211) (Text with EEA relevance) (2006/860/EC), Article 8

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

Member States shall ensure that the functionality of the legacy Class B systems referred to in Annex B of the TSI as well as their interfaces are kept as currently specified excluding those modifications that might be deemed necessary in order to mitigate safety-related flaws of these systems.
Member States shall make available such information regarding their legacy systems as is required for purposes of development and safety-certification of apparatus allowing interoperability of Class A equipment as defined in Annex A of the TSI with their legacy Class B facilities.

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Source: https://www.legislation.gov.uk/eudn/2006/860/article/8 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-860/article-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.