Any public official or employee who shall violate provisions of this act [6-3-6, 6-3-8 N.M. Stat. Ann.] shall be guilty of a felony and upon conviction thereof shall be punished by a fine of not more than ten thousand dollars ($10,000) nor less than five hundred dollars ($500) or imprisonment for a term of not more than ten years, or both, and in addition thereto, shall be liable for the payment to the state of all amounts expended for any payment made in violation thereof.