Changes made by 94/844/EC: Commission Decision of 19 December 1994 establishing specific common programmes for the vocational training of customs officials, with regard to preferential systems, the control of containers, processing under customs control, and warehouse regimes (Matthaeus programme)
EU Decision 1994/844
No changes made by 94/844/EC: Commission Decision of 19 December 1994 establishing specific common programmes for the vocational training of customs officials, with regard to preferential systems, the control of containers, processing under customs control, and warehouse regimes (Matthaeus programme) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.