(1) Where oil has been contained in any tanks or other spaces in a vessel any liquid discharged or allowed to escape from those tanks or spaces shall, unless it is proved that the tanks or spaces have been cleaned of oil, or that the liquid has been freed from oil by means of a separating apparatus, be deemed to be oil within the meaning of this Act.
(2) In the case of proceedings against any person other than the master of a vessel evidence of the matter aforesaid may be given by means of a certificate signed by the master, and, if the master of a vessel gives any certificate under this section which is to his or her knowledge false or in any material particular misleading, he or she, on summary conviction, is liable in respect of each offence to a fine not exceeding $240.
(3) In this section the expression “master of a vessel” means the person named as the master in the agreement with the crew.