Changes to 91/341/EEC: Council Decision of 20 June 1991 on the adoption of a programme of Community action on the subject of the vocational training of customs officials (Matthaeus programme)
EU Decision 1991/341
The legislation that changes 91/341/EEC: Council Decision of 20 June 1991 on the adoption of a programme of Community action on the subject of the vocational training of customs officials (Matthaeus programme), newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.