Changes made by Regulation (EEC) No 2904/91 imposing a provisional antidumping duty on imports of certain polyester yarns…
EU Regulation No 2904/1991
No changes made by Regulation (EEC) No 2904/91 imposing a provisional antidumping duty on imports of certain polyester yarns… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.