Section 297. Preservation of original notes for two years when not filed with clerk

Unless the original stenographic notes taken upon a trial or
  hearing, are filed, pursuant to an order, made as prescribed in  section
  thirteen  of  this  chapter,  they  must  be  carefully preserved by the
  stenographer, for two years after the trial  or  hearing;  or  for  such
  greater  period  of  time  and  in such manner as may be provided by the
  chief administrator of the courts.