A processor who intends to carry out the treatment of propagating material of protected varieties in accordance with Section 19a(2)(b) (i.e. the grower may treat the farm seed or seedlings for further sowing and planting either himself or through a person who treats such material on a business basis (the processor); the processor must carry out the treatment in such a way as to ensure that the product to be treated is identical to the product resulting from the treatment) must notify the Central Inspection and Testing Institute for Agriculture in writing before commencing the treatment.