31. Maintenance of standards of material.

Suppliers1 engaged in the production of propagating material2 must identify and monitor critical points in their production process which influence the quality of the material3, take samples where necessary and send them to be analysed in a laboratory with suitable facilities and expertise4, and ensure that lots5 of propagating material remain separately identifiable during production6. If a supplier engaged in the production of propagating material finds on his premises a plant pest of a specified description7 he must, if he would not otherwise be required to notify it