Chapter I : The sick and wounded - Art. 1.
Article 1. Officers, soldiers, and other persons officially attached to armies, who are sick or wounded, shall be respected and cared for, without distinction of nationality, by the belligerent in whose power they are.
A belligerent, however, when compelled to leave his wounded in the hands of his adversary, shall leave with them, so far as military conditions permit, a portion of the personnel and ' matériel ' of his sanitary service to assist in caring for them.