Information concerning persons reported missing pursuant to paragraph 1 and requests for such information shall be transmitted either directly or through the Protecting Power or the Central Tracing Agency of the International Committee of the Red Cross or national Red Cross (Red Crescent, Red Lion and Sun) Societies. Where the information is not transmitted through the International Committee of the Red Cross and its Central Tracing Agency, each Party to the conflict shall ensure that such information is also supplied to the Central Tracing Agency.