If any person elected to the office of attorney general shall fail to give bond, or take the oath required of him, within 20 days after he is declared elected, the office shall be deemed vacant, and if, being required to give additional bond, as provided in section two hereof, he fails to do so within 20 days after notice of such requirements, his office may, in the discretion of the governor, be declared vacant and filled as provided by law.
15 ILCS 205/3