the effectiveness of the monitoring by national safety authorities of safety management systems of actors as referred to in Article 17 of Directive (EU) 2016/798.
éifeachtacht fhaireachán na n-údarás náisiúnta sábháilteachta ar chórais bainistíochta sábháilteachta na ngníomhaithe dá dtagraítear in Airteagal 17 de Threoir (AE) 2016/798.