Changes to Regulation (EEC) No 2453/92 implementing Council Regulation (EEC) No 717/91 concerning the Single…
EU Regulation No 2453/1992
Made by Regulation (EEC) No 3694/92 amending Regulation (EEC) No 2453/92 concerning the Single Administrative Document
From legislation.gov.uk's record of changes, the official one: see it there.