O’Brien v Ministry of Justice (Case C-393/10); [2012] WLR (D) 58
“It was for the member states to define the concept of ‘workers who have an employment contract or an employment relationship’ within the meaning of clause 2.1 of the Framework Agreement on part-time work, provided that this did not lead to arbitrary exclusion from protection offered by Directive 97/81/EC.”
WLR Daily, 1st March 2012
Source: www.iclr.co.uk