Changes made by 79/509/EEC: Council Decision of 24 May 1979 on financial aid from the Community for the eradication of African swine fever in Spain
EU Decision 1979/509
No changes made by 79/509/EEC: Council Decision of 24 May 1979 on financial aid from the Community for the eradication of African swine fever in Spain are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.