council conclus june discuss worker involv european compani report work parti expert european system worker involv council european union note inform provid commiss find work parti expert european system worker involv consid approach propos constitut construct contribut reviv discuss worker involv european compani consid graduat approach facilit solut complex problem identifi form constitut european compani case view import role plai social partner regard promot free negoti parti accompani effect refer framework worker involv european compani negoti fail consid light find work parti expert full debat held council problem gener arrang worker involv european compani take account divers nation system role social partner contribut made respons commiss commun novemb worker inform consult