 Then follow models for the official correspondence on the occasion of a vacancy of the Holy See and the election of a pope, also directions for the consecration and the profession of faith of the pope-elect; finally a group of formulæ affecting various matters of ecclesiastical administration.In the 10th century these formularies cease to be in universal use; in the eleventh, recourse is had to them still more rarely; other methods of training notaries are introduced.Copies of letters are no longer placed before them.