Section 600.509 - Prohibited species(a) The owner or operator of each FFV must minimize its catch or receipt of prohibited species.(b) After allowing for sampling by an observer (if any), the owner or operator of each FFV must sort its catch of fish received as soon as possible and return all prohibited species and species parts to the sea immediately with a minimum of injury, regardless of condition, unless a different procedure is specified by the regulations for the fishery in which the FFV is engaged. All prohibited species must be recorded in the daily fishing log and other fishing logs as specified by the regulations for the fishery in which the FFV is engaged.(c) All species of fish that an FFV has not been specifically allocated or authorized under this subpart to retain, including fish caught or received in excess of any allocation or authorization, are prohibited species.(d) It is a rebuttable presumption that any prohibited species or species part found on board an FFV was caught and retained in violation of this section.