Changes to Commission Decision of 23 July 2001 on additional guarantees in intra-Community trade of pigs relating to Aujeszky's disease, criteria to provide information on this disease and repealing Decisions 93/24/EEC and 93/244/EEC (notified under document number C(2001) 2236) (2001/618/EC)
EU Decision 2001/618
Made by 2004/320/EC: Commission Decision of 31 March 2004 amending Decisions 93/52/EEC, 2001/618/EC and 2003/467/EC as regards the status of acceding countries with regard to brucellosis (B. melitensis), Aujeszky's disease, enzootic bovine leukosis, bovine brucellosis and tuberculosis and of France with regard to Aujeszky's disease (notified under document number C(2004) 1094)
From legislation.gov.uk's record of changes, the official one: see it there.