To enforce correct labelling or to detect non-authorised products, several analytical methods have been standardised by the European Committee for Standardisation (CEN), following a mandate given by the Commission.
Korrektse märgistamise jõustamiseks ja loata toodete avastamiseks on Euroopa Standardikomitee (CEN) standardiseerinud komisjoni volitusel mitu analüüsimeetodit.