Volume 3007, I-52241 167 No. 52241 ____ Ukraine, Russian Federation, United Kingdom of Great Britain and Northern Ireland and United States of America '''Memorandum on security assurances in connection with Ukraine’s accession to the Treaty on the Non-Proliferation of Nuclear Weapons. Budapest, 5 December 1994''' Entry into force: 5 December 1994 by signature Authentic texts: English, Russian and Ukrainian Registration with the Secretariat of the United Nations: Ukraine, 2 October 2014