Since 20th July 2010, food and drink containing sunset yellow (E 110), quinoline yellow (E 104), carmoisine (E 122), allura red (E 129), tartrazine (E 102) or ponceau 4R (E 124) is required to display the warning message: 'Name or E number of the colour(s) (e.g. Sunset Yellow): may have an adverse effect on activity and attention in children.'
EU/Ireland law requires foods containing quinoline yellow (E104) and five other 'Southampton' colours to carry the warning 'may have an adverse effect on activity and attention in children'.