Where the controller or processor has establishments in several Member States or where a significant number of data subjects in more than one Member State are likely to be substantially affected by processing operations, a supervisory authority of each of those Member States shall have the right to participate in joint operations.
I gcás ina mbeidh bunaíochtaí ag an rialaitheoir nó ag an bpróiseálaí i roinnt Ballstát nó i gcás inar dócha go mbeidh tionchar nach beag ag oibríochtaí próiseála ar líon suntasach ábhar sonraí i mBallstát amháin nó níos mó, beidh sé de cheart ag údarás maoirseachta ó gach ceann de na Ballstáit sin a bheith rannpháirteach sna hoibríochtaí comhpháirteacha sin.