Changes to 91/40/EEC: Commission Decision of 20 December 1990 amending Decision 88/222/EEC recognizing certain Member States or regions of certain Member States as being free from Quadraspidiotus perniciosus (San José Scale)
EU Decision 1991/40
No changes to 91/40/EEC: Commission Decision of 20 December 1990 amending Decision 88/222/EEC recognizing certain Member States or regions of certain Member States as being free from Quadraspidiotus perniciosus (San José Scale) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.