Section 19

there has been an infectious disease or any suspected case of infectious disease on board the vessel ;

the vessel has visited a port infected by cholera within the past five days or a port infected by smallpox within the past two weeks ;

the vessel has visited a port infected by plague or other infectious disease during the last thirty days ; or

there is or are a corpse or corpses on board the vessel, and in every such case mentioned in sub-paragraphs (a) to (d), the pilot shall direct the master of the vessel to display the quarantine signal and shall take the said vessel forthwith to a quarantine anchorage.

A pilot may board any vessel displaying an international quarantine signal for the purpose of piloting her to the quarantine anchorage and shall not allow any other person in his launch to board her nor shall the pilot leave such vessel except with the permission of the Port Health Officer. Such pilot shall submit himself to vaccination or other quarantine precautions as the nature of the case may require.

Quarantine of vessels.