the commander shall forthwith give notice to that effect to the responsible authority or a customs officer or an immigration officer or a police officer and, if the aircraft has alighted at an aerodrome, to the person in charge thereof;

except for the purpose of the preceding sub-paragraph, no person carried by the aircraft shall leave its vicinity unless authorised so to do by the authorised officer, and any person so authorised shall inform such officer of his name and his intended destination and address, but this sub-paragraph shall not be construed as dispensing with the necessity to secure any consent arising under any other enactment;

subject as aforesaid, these regulations shall apply, with any necessary modification, in relation to the aircraft, the persons carried thereon, and its stores, equipment and cargo, to the extent to which they are not required by a police officer or customs officer to proceed or, as the case may be, to be taken to a customs airport, as if the aircraft had alighted at a customs airport and for the purposes of such application the list of infected areas kept under regulation 6 shall be any list so kept by the medical officer of the responsible authority or, if there is no such list, any list so kept by the medical officer for the customs airport nearest to the place where the aircraft has alighted.