INTERNATIONAL LEGAL ASPECT OF THE OCCUPATION OF ARC AND THE CITY OF SEVASTOPOL PART 2 2.1.2. The Memorandum on Security Assurances in connection with Ukraine’s Accession to the Treaty 16 on the Non-Proliferation of Nuclear Weapons Date of signature: 5 December 1994. Date of entry into force: 5 December 1994. Content: Accession of Ukraine to the Treaty on Non-Proliferation of Nuclear Weap- ons as a non-nuclear state. The signatory states conR rm to Ukraine that they will respect the independence, sovereignty, and existing borders of Ukraine. The sig- natory states conR rm their obligation to refrain from the threat or use of force against the territorial integrity and the political independence of Ukraine; and they also conR rm that neither weapon of theirs will any day be used against Ukraine, and they also conR rm their obligation to assist Ukraine if it becomes a victim of aggression. 2.1.3. The Treaty on Friendship, Cooperation, and Partnership 17 between Ukraine and the Russian Federation Date of signature: 31 May 1997. Date of rati+ cation: 14 January 1998. Date of entry into force: 01 April 1999. Signatory states: Ukraine, the Russian Federation. Content: The signatory states conR rm their loyalty to the international laws, the goals, and principles of the UN Charter and comply with their obligations as OSCE members. The signatory states build their relations with each other based on the principles of mutual respect of sovereign equality, territorial integrity, inviolabil- ity of borders, peaceful resolution of disputes, non-use of force or threat of force, including economic and other means of pressure, the right of the nations to make free with their living. They also build their relations on the principles of non-inter- ference in internal aT airs, observance of human rights and basic freedoms, fulR ll- ment of their international liabilities, and other generally accepted international laws in good faith. 16 http://zakon4.rada.gov.ua/laws/show/998_158 17 http://zakon4.rada.gov.ua/laws/show/643_006 21