It came into force on 1 December 2009 when all of the EU countries had ratified it in accordance with their national procedures.
Tháinig sé i bhfeidhm an 1 Nollaig 2009 agus é daingnithe ag gach tír san AE de réir na nósanna imeachta náisiúnta atá i bhfeidhm iontu.