From the horses' mouth:
The new Implementing Rules implementing the requirements set out in
Regulation (EC) No 216/2008 in the field of pilot licensing were published as
Commission Regulation (EU) No 1178/2011 on Aircrew in the Official Journal of the European Union on 25 November 2011.
As stated in this Regulation, the application date is 8 April 2012, though flexibility is introduced via transition measures contained in Article 12 of this Regulation.
Third country operators
Sorry, under construction