The second and third stages may not be extended or curtailed except by a decision of the Council, acting unanimously on a proposal from the Commission.
Ní féidir an dará céim ná an tríú céim a fhadú ná a ghiorrú, ach amháin le cinneadh ón gComhairle, ag gniomhú di d'aontoil ar thogra ón gCoimisiún.