Art 70. Immediately upon capture, or not more than one week after arrival at a camp, even if it is a transit camp, likewise in case of sickness or transfer to hospital or to another camp, every prisoner of war shall be enabled to write direct to his family, on the one hand, and to the Central Prisoners of War Agency provided for in Article 123, on the other hand, a card similar, if possible, to the model annexed to the present Convention, informing his relatives of his capture, address and state of health. The said cards shall be forwarded as rapidly as possible and may not be delayed in any manner.