HomeNATO Status Lists ...11. NATO Agreement on the Communication of Technical Information for Defense Purposes, done at Brussels October 19, 1970 hide 11. NATO Agreement on the Communication of Technical Information for Defense Purposes, done at Brussels October 19, 1970 Depositary – Treaty Affairs Office of Treaty Affairs Entered into force February 7, 1971. In accordance with Article VIII, instruments of ratification or approval of the Agreement shall be deposited with the Government of the United States of America. The Agreement entered into force 30 days after deposit by two signatory Parties of their instruments of ratification or approval. The Agreement shall enter into force for each of the other signatory Parties 30 days after the deposit of its instrument of ratification or approval. Download Status List [139 KB] Tags Multilateral North Atlantic Treaty Organization Treaties