11.—(1) The commander of an aircraft at a customs airport shall—
(a)answer all questions as to the health conditions on board which may be put to him by an authorised officer or a customs officer visiting the aircraft, and furnish any such officer with all such information and assistance as he may reasonably require for the purposes of these regulations;
(b)in addition to any message sent under regulation 12, notify immediately on arrival to an authorised officer any death on the aircraft during its voyage caused otherwise than by accident, any case of infectious disease on the aircraft, or any circumstances on board which are likely to cause the spread of infectious disease, including in his notification particulars as to the presence or suspected presence on board of any animals or captive birds of any species;
(c)comply with these regulations, and with any directions or requirements of an authorised officer given or made for the purposes of these regulations.
(2) For the avoidance of doubt, the expression “captive birds”