The cabinet approved of the continuation of collaboration. The United States was discussed with to provide advice on how to move forward. Talks between the US and Iran about this are currently concluding. Deliveries of fuel assemblies are also discussed. 

Haunschild and Wieck meet with Dr. Etemad. First Haunschild discusses cooperation with Brazil on peaceful uses of nuclear energy as well as other international partners. There is agreement on future plans for a IAEO Conference in Vienna in September. The continuation of all current projects, collaboration for education and research projects, and sending experts in research. 

This memorandum is a compendium of comments about the Treaty of Tlatelolco made by different delegations at the UN. It includes statements by the delegates from the United States, Brazil, Ireland, Ethiopia, Austria, Italy, Pakistan, El Salvador, Mauritania, Iraq, Greece, Spain, Tanzania, Zambia, the Netherlands, Argentina, Venezuela, Sierra Leone, Canada, Jordan, Ecuador, Guyana, Colombia, Malta, Panama, Bolivia, Costa Rica, and Peru, in that order.

Alfonso Garcia Robles explained how the Mexican delegation tried to gather the support of the Latin American countries for the NPT draft. These countries prepared and presented modifications to the NPT text, and the United States and the Soviet Union accepted some of these proposals. Garcia Robles reported that the Argentinian and Brazilian representatives said they recognized the value of the NPT but would not support it if it kept its clause prohibiting peaceful nuclear explosions. The Ambassador also reported the Soviet positive reactions toward the Treaty of Tlatelolco. Garcia Robles recounted the skepticism of some delegations toward the NPT. He recommended not to sign the NPT in 1968 unless the Soviet Union signed Protocol II of the Treaty of Tlatelolco, which includes negative security assurances.

Soviet representatives being sent to Italy, Japan, Mexico, Brazil, and Italy, are instructed to visit the head of state or the minister of foreign affairs and relay the oral declarations contained in this document. The country-specific oral declarations reinforce the Soviet position against the use of nuclear technology for militaristic objectives and object to proposed measures that would undermine the efficacy of the NPT.

Document is notifying Soviet ambassadors to visit respective heads of state and Ministers of Foreign Affairs and inform them of the Soviet position on the draft treaty of the NPT given that the 18-Nation Committee on Disarmament recently finished its deliberations on the Treaty and submitted it to the UNGA.

Brezhnev discusses negotiations with the United States over the Non-Proliferation Treaty.

The treaty creating the Latin American Nuclear Free Zone (LANFZ) was signed at Tlatelolco, Mexico, on 14 February 1967. Taking a close look at key provisions, INR found that the entry into force provisions included loopholes which “unenthusiastic” states could use so the treaty did not cover their territory.

This lengthy report was State Department Bureau of Intelligence and Research's contribution to the first National Intelligence Estimate on the nuclear proliferation, NIE 100-6-57. Written at a time when the United States, the Soviet Union, and the United Kingdom were the only nuclear weapons states, the “Fourth Country” problem referred to the probability that some unspecified country, whether France or China, was likely to be the next nuclear weapons state. Enclosed with letter from Helmut Sonnenfeldt, Division of Research for USSR and Western Europe, to Roger Mateson, 4 June 1957, Secret

Mexican and Brazilian representatives disagree on if peaceful nuclear explosions (PNEs) are allowed by the Latin American treaty.