Regulation 7
An authorised officer may, for the purposes of these regulations, inspect any aircraft at a customs airport.
The medical officer or other authorised officer acting on the medical officer's instructions shall—
inspect on arrival any aircraft in respect of which the commander has sent a message under regulation 12; and
inspect any aircraft at the airport when he has reasonable grounds for believing that there is on board a case or suspected case of infectious disease.
The medical officer or other authorised officer acting on the medical officer's instructions may require any aircraft which he intends to inspect under this regulation to be taken to some safe and convenient part of the airport for such inspection if it cannot otherwise be carried out effectively.
For the purposes of this regulation, the inspection of an aircraft may include the taking from the aircraft of samples of food and water for the purposes of analysis or examination with a view to the treatment of persons affected with any epidemic, endemic or infectious disease and for preventing the spread of such diseases.