s 4
The wounded, sick and shipwrecked disembarked, otherwise than temporarily, from a medical aircraft with the consent of the local authorities in the territory of a neutral or other State not a Party to the conflict shall, unless agreed otherwise between that State and the Parties to the conflict, be detained by that State where so required by the rules of international law applicable in armed conflict, in such a manner that they cannot again take part in the hostilities. The cost of hospital treatment and internment shall be borne by the State to which those persons belong.