Changes made by 1999/608/EC: Commission Decision of 10 September 1999 amending Annexes of Council Directive 90/429/EEC laying down the animal health requirements applicable to intra- Community trade in and imports of semen of domestic animals of the porcine species (notified under document number C(1999) 2836)
EU Decision 1999/608
No changes made by 1999/608/EC: Commission Decision of 10 September 1999 amending Annexes of Council Directive 90/429/EEC laying down the animal health requirements applicable to intra- Community trade in and imports of semen of domestic animals of the porcine species (notified under document number C(1999) 2836) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.