rule

... Every prisoner of war, when questioned on the subject, is bound to give only his surname, first names and rank, date of birth, and army, regimental, personal or serial number, or failing this, equivalent information. If he wilfully infringes this rule, he may render himself liable to a restriction of the privileges accorded to his rank or status. ...

... Prisoners of war shall have for their use, day and night, conveniences which conform to the rules of hygiene and are maintained in a constant state of cleanliness. In any camps in which women prisoners of war are accommodated, separate conveniences shall be provided for them. ...

... If prisoners of war are permitted to purchase services or commodities outside the camp against payment in cash, such payments shall be made by the prisoner himself or by the camp administration who will charge them to the accounts of the prisoners concerned. The Detaining Power will establish the necessary rules in this respect. ...

... As a general rule, the correspondence of prisoners of war shall be written in their native language. The Parties to the conflict may allow correspondence in other languages. ...

... The conditions for the sending of individual parcels and collective relief shall, if necessary, be the subject of special agreements between the Powers concerned, which may in no case delay the receipt by the prisoners of relief supplies. Books may not be included in parcels of clothing and foodstuffs. Medical supplies shall, as a rule, be sent in collective parcels. ...

... In the absence of special agreements between the Powers concerned on the conditions for the receipt and distribution of collective relief shipments, the rules and regulations concerning collective shipments, which are annexed to the present Convention, shall be applied. ...