2005/950/EC: Commission Decision of 23 December 2005 amending Decision 2003/135/EC as regards the extension of the plans for the eradication of classical swine fever in feral pigs and the emergency vaccination of feral pigs against classical swine fever in certain areas of the Federal States of North Rhine-Westfalia and Rhineland-Palatinate (Germany) (notified under document number C(2005) 5621)