United Nations Security Council Resolution 255

United Nations Security Council Resolution 255, adopted on June 19, 1968, after a large number of states began to subscribe to the Treaty on the Non-Proliferation of Nuclear Weapons the Council recognized that aggression with nuclear weapons or the threat of it against a non-nuclear-weapon state would create a situation in which the Security Council, and above all its nuclear-weapon State members would have to act immediately in accordance with their obligations under the UN Charter.

UN Security Council Resolution 255
MGM-5 Corporal
Date	June 19 1968
Meeting no.	1433
Code	S/RES/255 (Document)
Subject	Question relating to measures to safeguard non-nuclear-weapon States parties to the Treaty on the Non-Proliferation of Nuclear Weapons
Voting summary	10 voted for None voted against 5 abstained
Result	Adopted
Security Council composition
Permanent members	China  France  United Kingdom  United States  Soviet Union
Non-permanent members	Algeria  Brazil  Canada  Denmark  Ethiopia  Hungary  India  Pakistan  Paraguay  Senegal
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The council also welcomed the intention expressed by certain States that they will provide or support immediate assistance to a non-nuclear-weapon state party to the treaty that is a victim of an act or the object of the threat in which nuclear weapons are used and reaffirmed that inherent right of individual and collective self-defense.

The resolution passed with 10 votes to none; Algeria, Brazil, France, India and Pakistan abstained.