forges a phytosanitary certificate, purporting to be a phytosanitary certificate issued by an authorised officer; or
(b)
fraudulently or dishonestly uses as genuine a phytosanitary certificate which he knows or has reason to believe to be a certificate which is forged or falsified,
shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000 or to imprisonment for a term not exceeding 3 years or to both.