International Committee of the Red Cross many countries, based on national law in these countries, based on agreements between the ICRC and the respective governments, or, in some cases, based on international jurisprudence (such as the right of ICRC delegates not to bear witness in front of international tribunals). The ICRC's operations are generally based on international humanitarian law, primarily comprising the four Geneva Conventions of 1949, their two Additional Protocols of 1977 and Additional Protocol III of 2005, the Statutes of the International Red Cross and Red Crescent Movement, and the resolutions of the International Conferences of the Red Cross and Red Crescent. International humanitarian
International Committee of the Red Cross is still considered the greatest failure of the ICRC in its history. After November 1943, the ICRC achieved permission to send parcels to concentration camp detainees with known names and locations. Because the notices of receipt for these parcels were often signed by other inmates, the ICRC managed to register the identities of about 105,000 detainees in the concentration camps and delivered about 1.1 million parcels, primarily to the camps Dachau, Buchenwald, Ravensbrück, and Sachsenhausen. Swiss historian Jean-Claude Favez, who conducted an 8-year review of the Red Cross records, says that even though the Red Cross knew by November 1942