(1)Except by leave of the court on cause shown, no application, matter or point mentioned in subsection (1) of section 72 of this Act or that subsection as applied by section 71 of this Act shall be made, raised or submitted by an accused unless his intention to do so has been stated in a notice under the said subsection (1) or, as the case may be, under subsection (2) of the said section 71.
(2)No discrepancy, error or deficiency such as is mentioned in paragraph (a)(ii) of subsection (1) of the said section 72 or that subsection as applied by the said section 71 shall entitle the accused to object to plead to the indictment unless the court is satisfied that the discrepancy, error or deficiency tended substantially to mislead and prejudice the accused.