Luftfartstjenesteudøvere, der i deres aftalebrev har anført, at de vil implementere rutinerne for anmeldelse, indledende koordination, rettelser i koordination, afbrydelse af koordination, grundlæggende flyvedata eller ændring af grundlæggende flyvedata mellem andre flyvekontrolenheder end kontrolcentraler, sørger for, at de i artikel 1, stk. 2, litra a), nævnte systemer opfylder interoperabilitets- og præstationskravene i bilag I, del A og B.
Air navigation service providers that have specified in their letter of agreement that they will implement the notification, the initial coordination, the revision of coordination, the abrogation of coordination, the basic flight data or the change to basic flight data processes between ATC units other than ACCs, shall ensure that the systems referred to in Article 1(2)(a), comply with the interoperability and performance requirements specified in Annex I, Parts A and B.