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Convention (III) for the Adaptation to Maritime Warfare of the Principles of the Geneva Convention of 22 August 1864. The Hague, 29 July 1899.
Art. 4. The ships mentioned in Articles l
shall afford relief and assistance to the wounded, sick, and shipwrecked of the belligerents independently of their nationality.
The Governments engage not to use these ships for any military purpose.
These ships must not in any way hamper the movements of the combatants.
During and after an engagement they will act at their own risk and peril.
The belligerents will have the right to control and visit them; they can refuse to help them, order them off, make them take a certain course, and put a commissioner on board; they can even detain them, if important circumstances require it.
As far as possible the belligerents shall inscribe in the sailing papers of the hospital ships the orders they give them.