SALT was first
The Treaty on the Non-Proliferation of Nuclear Weapons, also know as the Nuclear Non-Proliferation Treaty or NPT.
The US and the Societs had two discussions called the Strategic Arms Limitation Talks, SALT I and SALT II. START I and II, Strategic Arms Reduction Treaty, limited the production of nuclear weapons.
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Canada
On August 5, 1963, representatives of the United States, Soviet Union and Great Britain signed the Limited Nuclear Test Ban Treaty, which prohibited the testing of nuclear weapons in outer space, underwater or in the atmosphere.
The Enhanced Defense Cooperation Agreement - this was an agreement signed on April 28, 2014 between the U.S. and the Philippines. It allows the U.S. to station troops in the Philippines, but not set up a permanent base. The U.S. is also not allowed to store any nuclear weapons there.
The Nuclear Non-Proliferation Treaty was signed by 43 members between 1 July 1968 and 5 March 1970.
It's a pact in order to reduce the production of nuclear weapons
only treaties, which nations that have not signed them are free to ignore.
Indonesia hasn't signed or ratified the Nuclear Nonproliferation Treaty. Even though they use nuclear power they don't have any nuclear weapons that we know of.