1.The basic mother plants which are grown from pre-basic material within the meaning of Article 15(2)(a) may be multiplied in a number of generations to obtain the necessary number of basic mother plants. The basic mother plants shall be multiplied in accordance with Article 13 or shall be multiplied by micropropagation in accordance with Article 14. The maximum permitted number of generations, and the maximum permitted life span of basic mother plants, shall be as set out in Annex V for the relevant genera or species.
2.Where multiple generations of basic mother plants are permitted, each generation, other than the first one, may derive from any previous generation.
3.Propagating material of different generations shall be kept separately.