(see Case Law of the Boards of Appeal, 6th edition 2006, VII.E.16.3.2) it is permissible under Article 13(3) RPBA to regard as belated auxiliary requests filed after oral proceedings have been arranged even if filed before the ultimate date set by the Board, if those requests are not substantiated, i.e. if they were not accompanied by reasons explaining why the amendments had been made and how the