Division 1 The verification of systems identified in Article 2(1) shall demonstrate the conformity of these systems with the interoperability, performance and safety requirements of this Regulation in an assessment environment that reflects the operational context of these systems. In particular:

the verification of communication systems shall demonstrate that 8,33 kHz channel spacing is in use for voice communications in accordance with Article 4 and that the performance of the 8,33 kHz voice communication systems complies with Article 4(7),

the verification of systems for flight data processing shall demonstrate that the functionality described in Article 7(2) is properly implemented.