Whoever knowingly makes any false or fraudulent statement of a material fact in any application, certificate or document made under the provisions of this act, or of any regulation made by the Adjutant General in administering this act, shall be guilty of a misdemeanor, and upon conviction thereof, shall be sentenced to pay a fine of not more than one thousand dollars ($1,000) or undergo imprisonment for not more than five years, or both.
51 P.S. § 20131