2007/570/EC: Commission Decision of 20 August 2007 amending Decision 2003/634/EC approving programmes for the purpose of obtaining the status of approved zones and of approved farms in non-approved zones with regard to viral haemorrhagic septicaemia (VHS) and infectious haematopoietic necrosis (IHN) in fish (notified under document number C(2007) 3902) (Text with EEA relevance )