Changes made by Regulation (EC) No 423/1999 amending Regulation (EC) No 975/98 on denominations and technical specifications…
EU Regulation No 423/1999
No changes made by Regulation (EC) No 423/1999 amending Regulation (EC) No 975/98 on denominations and technical specifications… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.