Changes made by 2002/623/EC: Commission Decision of 24 July 2002 establishing guidance notes supplementing Annex II to Directive 2001/18/EC of the European Parliament and of the Council on the deliberate release into the environment of genetically modified organisms and repealing Council Directive 90/220/EEC (notified under document number C(2002) 2715)
EU Decision 2002/623
The legislation 2002/623/EC: Commission Decision of 24 July 2002 establishing guidance notes supplementing Annex II to Directive 2001/18/EC of the European Parliament and of the Council on the deliberate release into the environment of genetically modified organisms and repealing Council Directive 90/220/EEC (notified under document number C(2002) 2715) changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.