4. The United States of America, the Russian Federation, and the United Kingdom of Great Britain and Northern Ireland, reaffirm their commitment to seek immediate United Nations Security Council action to provide assistance to Ukraine, as a non-nuclear-weapon State Party to the Treaty on the Non-Proliferation of Nuclear Weapons, if Ukraine should become a victim of an act of aggression or an object of a threat of aggression in which nuclear weapons are used.
4. 美利坚合众国、俄罗斯联邦、大不列颠及北爱尔兰联合王国北爱尔兰重申，致力于寻求联合国安理会立即采取行动, 向缔结《不扩散核武器条约》的无核武器国家乌克兰提供援助，如果乌克兰成为被侵略的受害者或者受到核武器威胁。
