In the case of a ship suspected of yellow fever infection, the following measures shall be taken before pratique. (which shall be in writing) is given(i)the ship may be disinsected as provided in Cl. (i) of rule 31;(ii)the ship and all persons on board shall be medically examined by the Health Officer; and(iii)the measures prescribed in Cls. (iv) and (v) of rule 31 may be applied at the discretion of the Health Officer.
