1.The quantities of seed marketed of the authorised population of each species, for each participating Member State per year, shall not exceed 0,1 % of seed of the same species produced in that year in the participating Member State.
2.Each producer shall declare to the seed certification authority the quantity of each population it intends to produce for each year.
3.A participating Member State may prohibit the marketing of seed of a population if it considers that, in view of the purpose of the experiment, it is not appropriate that additional quantities of seed of the population concerned are placed on the market. It shall immediately inform the producer or producers concerned.