In Akavan Erityisalojen Keskusliitto AEK Ry and others v Fujitsu Siemens Computers Oy [2009] IRLR 944 ECJ, the ECJ held that an employer's duty under the Collective Redundancies Directive to consult workers' representatives about the possibility of redundancies arises when strategic decisions or changes in activities make the employer contemplate or plan for collective redundancies.