without prejudice to Article 17 of Directive (EU) 2016/798, and after issuing an authorisation for the placing on the market of a vehicle equipped with an ERTMS on-board subsystem, advise railway undertakings at their request, before they use a vehicle equipped with an ERTMS on-board subsystem, on the operational compatibility between ERTMS on-board and trackside subsystems.
gan dochar d'Airteagal 17 de Threoir (AE) 2016/798, agus tar éis údarú a eisiúint le haghaidh feithicil a chur ar an margadh a mbeidh fochóras ERTMS ar bord feistithe inti, comhairle a chur ar ghnóthais iarnróid arna iarraidh sin dóibh, sula mbainfidh siad leas as feithicil a mbeidh fochóras ERTMS ar bord feistithe inti, maidir leis an gcomhoiriúnacht oibríochtúil idir fochórais ERTMS ar bord agus fochórais taobh riain.