Where substances can only be described by their manufacturing method, the description shall be sufficiently detailed to characterise a substance which is constant both on its composition and in its effects;
Ainult valmistamisviisi kaudu kirjeldatavate ainete kirjeldus peab olema piisavalt üksikasjalik, et see iseloomustaks nii koostiselt kui toime poolest püsivat ainet;