For the purpose of coordinating the intelligence activities of the several Government departments and agencies in the interest of national security, it shall be the duty of the Agency, under the direction of the National Security Council—
(1) to advise the National Security Council in matters concerning such intelligence activities of the Government departments and agencies as relate to national security;
(2) to make recommendations to the National Security Council for the coordination of such intelligence activities of the departments and agencies of the Government as relate to the national security;
(3) to correlate and evaluate intelligence relating to the national security, and provide for the appropriate dissemination of such intelligence within the Government using where appropriate existing agencies and facilities: PROVIDED, That the Agency shall have no police, subpoena, law-enforcement powers, or internal-security functions: PROVIDED FURTHER, That the departments and other agencies of the Government shall continue to collect, evaluate, correlate, and disseminate departmental intelligence: AND PROVIDED FURTHER, That the Director of Central Intelligence shall be responsible for protecting intelligence sources and methods from unauthorized disclosure;
(4) to perform, for the benefit of the existing intelligence agencies, such additional services of common concern as the National Security council determines can be more efficiently accomplished centrally;
(5) to perform such other functions and duties related to intelligence affecting the national security as the National Security Council may from time to time direct.
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