Changes made by Regulation (EC) No 2139/2004 adapting and implementing Council Regulation (EEC) No 571/88
EU Regulation No 2139/2004
Made to Commission Decision of 24 November 1999 relating to the definitions of the characteristics, the list of agricultural products, the exceptions to the definitions and the regions and districts regarding the surveys on the structure of agricultural holdings (notified under document number C(1999) 3875) (2000/115/EC)
From legislation.gov.uk's record of changes, the official one: see it there.