Regulation 7
The authorised officer may, for the purposes of these regulations, inspect any ship on arrival or already in the district.
An authorised officer shall—
inspect on arrival any ship in respect of which the master has sent to the health authority a message or notification under regulation 13(1)(a)(ii) and (iii), (b) or (c), and
inspect any ship already in the district when he has reasonable grounds for believing that there is on board a case or suspected case of infectious disease.
For the purposes of this regulation, the inspection of a ship may include the taking from the ship 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.