Each national Information Bureau shall, furthermore, be responsible for collecting all personal valuables left by protected persons mentioned in Article 136, in particular those who have been repatriated or released, or who have escaped or died; it shall forward the said valuables to those concerned, either direct, or, if necessary, through the Central Agency. Such articles shall be sent by the Bureau in sealed packets which shall be accompanied by statements giving clear and full identity particulars of the person to whom the articles belonged, and by a complete list of the contents of the parcel. Detailed records shall be maintained of the receipt and despatch of all such valuables.