Notwithstanding any provision to the contrary, on any claim against the Senate Contingent Fund or the Assembly Contingent Fund there may be a certification under penalty of perjury in lieu of an affidavit, and any individual who wilfully makes and subscribes such certificate to a claim which he knows to be false as to any material matter shall be guilty of a felony and upon conviction thereof shall be subject to the penalties prescribed for perjury by the Penal Code.