Changes made by Council Directive 77/391/EEC of 17 May 1977 introducing Community measures for the eradication of brucellosis, tuberculosis and leucosis in cattle
EU Directive 1977/391
No changes made by Council Directive 77/391/EEC of 17 May 1977 introducing Community measures for the eradication of brucellosis, tuberculosis and leucosis in cattle are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.