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 bringing the total staff under the authority of the ICRC to roughly 15,000. Delegations also often work closely with the National Red Cross Societies of the countries where they are based, and thus can call on the volunteers of the National Red Cross to assist in some of the ICRC's operations. The organizational structure of the ICRC is not well understood by outsiders. This is partly because of organizational secrecy, but also because the structure itself has been prone to frequent change. The Assembly and Presidency are two long-standing institutions, but the Assembly Council and Directorate were created only in