ensure that a minimum number of operators that are members of a group of operators are controlled in connection with the verification of compliance referred to in paragraph 3 of this Article.
áiritheofar leo go ndéanfar rialú ar líon íosta oibreoirí atá ina mbaill de ghrúpa oibreoirí i dtaca leis an fhíoraithe ar chomhlíonadh dá dtagraítear i mír 3 den Airteagal seo.