Cal. Gov. Code § 1094

Every officer whose duty it is to audit and allow the accounts of other state, county, or city officers shall, before allowing such accounts, require each of such officers to make and file with him an affidavit or certificate under penalty of perjury that he has not violated any of the provisions of this article, and any individual who wilfully makes and subscribes such certificate to an account 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 of this State.