The chamber to which an appeal is referred may seek the opinion of another chamber to which an appeal is referred on a point of law which falls within the jurisdiction of that chamber.
The Advocate General and the parties are notified of this by the president of the chamber to which the appeal is referred. They may submit observations before the chamber called upon to give its opinion.
The rapporteur of the panel responsible for ruling on the appeal shall attend the deliberations of the panel responsible for giving the opinion. The rapporteur of the panel that delivered the opinion shall attend the deliberations of the panel responsible for ruling on the appeal.