(1) Until the contrary is proved, all fish found on board any fishing vessel which has been used in the commission of an offence against this Act shall be presumed to have been caught in the commission of that offence.
(2) Where in any legal proceedings instituted under this Act following the seizure of a foreign fishing vessel by an enforcement vessel, the place in which an event is alleged to have taken place is in issue, the place stated in a certified copy of the relevant entry in the logbook or other official record of the enforcement vessel as being the place in which the event took place shall be presumed, until the contrary is proved, to be the place in which such event took place.