Section 11 Note of pleas to foreclose in point of law;

The pleas stated on the record, and authenticated as before directed, shall be held as the sole grounds of action or of defence in point of law, and to which the future arguments of the parties shall be confined: Provided always, that where anyexception of new pleas admitted with leave of the court.new plea or ground in law shall, after the completion of the record as before, be in the course of the cause suggested, either by the lord ordinary or by the judges in the inner house, or by the party, as fit to be discussed in relation to the facts already set forth, it shall and may be competent, with leave of the lord ordinary or of the court, to add such plea to the note of pleas authenticated by the lord ordinary as before.