issue a decision for approval before any call for tenders relating to ERTMS trackside equipment in order to ensure harmonised implementation of the ERTMS in the Union pursuant to Article 19 of Directive (EU) 2016/797;
cinneadh a eisiúint lena fhormheas sula ndéanfar aon ghlao ar thairiscintí a bhaineann le trealamh ERTMS taobh riain d'fhonn cur chun feidhme comhchuibhithe ERTMS san Aontas a áirithiú de bhun Airteagal 19 (3) and (4) de Threoir (AE) 2016/797;