om tilnærmelse af medlemsstaternes lovgivning om varetagelse af arbejdstagernes rettigheder i forbindelse med overførsel af virksomheder eller bedrifter eller af dele af virksomheder eller bedrifter ###>on the approximation of the laws of the Member States relating to the safeguarding of employees' rights in the event of transfers of undertakings, businesses or parts of undertakings or businesses