Frø skal være officielt certificeret som hidrørende fra godkendt grundmateriale, og emballagen skal være lukket i henhold til nationale regler for anvendelsen af OECD-ordningen vedrørende skovfrø og -planter.
Seed shall be officially certified as being derived from approved basic material and the packages closed in accordance with national rules for the application of the OECD Forest seed and plant scheme.