the conditions under which employees referred to in Article 119(3) and professional representatives referred to in Article 120(1) shall file with the Office a signed authorisation in order to undertake representation, and the content of that authorisation;
na coinníollacha faoina gcuirfidh na fostaithe dá dtagraítear in Airteagal 119(3) agus na hionadaithe gairmiúla dá dtagraítear in Airteagal 120(1) údarú sínithe i gcomhad leis an Oifig chun glacadh le hábhar an údaraithe sin agus ionadaíocht a dhéanamh air;