^Regulation (EC) No. 110/2008 of the European Parliament and of the Council of 15 January 2008 on the definition, description, presentation, labelling and the protection of spirit drinks. no 25 defines “Aniseed-flavoured spirit drinks are spirit drinks produced by flavouring ethyl alcohol of agricultural origin withnatural extracts of star anise (Illicium verum Hook f.), anise (Pimpinella anisum L.), fennel (Foeniculum vulgare Mill.), or any other plant which contains the same principal aromatic constituent, using one of the following processesor a combination thereof:” Etc. Ibid. n. 26 difines: “Pastis is an aniseed-flavoured spirit drink which also contains natural extracts of liquorice root (Glycyrrhiza spp.),which implies the presence of the colorants known as ‘chalcones’ as well as glycyrrhizic acid, the minimum and maximum levels of which must be 0,05 and 0,5 grams per litre respectively.”
^Blue, Anthony. The Complete Book of Spirits. New York: HarperCollins. 2004: 283. ISBN 0-06-054218-7.