Without prejudice to Article 55, the supervisory authority of the main establishment or of the single establishment of the controller or processor shall be competent to act as lead supervisory authority for the cross-border processing carried out by that controller or processor in accordance with the procedure provided in Article 60.
Gan dochar d'Airteagal 51, beidh údarás maoirseachta na príomhbhunaíochta nó na bunaíochta aonair de chuid an rialaitheora nó de chuid an phróiseálaí inniúil chun gníomhú mar phríomhúdarás maoirseachta ar an bpróiseáil trasteorann arna déanamh ag an rialaitheoir sin nó ag an bpróiseálaí sin i gcomhréir leis an nós imeachta dá bhforáiltear in Airteagal 60.