Arti­kel-29-Arbeit­grup­pe: Opi­ni­on 04/2014 on sur­veil­lan­ce of elec­tro­nic com­mu­ni­ca­ti­ons for intel­li­gence and natio­nal secu­ri­ty purposes

Opi­ni­on 04/2014 on sur­veil­lan­ce of elec­tro­nic com­mu­ni­ca­ti­ons for intel­li­gence and natio­nal secu­ri­ty purposes: