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.

Proposed joint statement to create an Argentina-Brazil working group to discuss nuclear energy.

The memo produced by the General Directory of Nuclear and Disarmament Issues of the Argentine Foreign Ministry presents a strategy in regard to Brazil in the nuclear area, considering the meetings between Dante Caputo and Olavo Setúbal between 20 and 21 May 1985 in Buenos Aires. Argentina presented the regime of mutual inspections as the most important aspect.

Quihillalt suggests to the new Argentine foreign minister, Juan B. Martin, the formalization of the nuclear relationship with Brazil through the signature of a memorandum of understanding.

The document highlights that the export of Argentine uranium to Brazil will be a difficult operation due to diplomatic hurdles.

This document reports on CNEA’s position on the exports of uranium to Brazil and reports that the operation will not produce any economic benefit. Nevertheless, it is favorable to the export as a token of Argentina’s good will in regard to nuclear cooperation with Brazil.

President Alfonsín of Argentina and President Sarney of Brazil declare their commitment to peaceful nuclear energy cooperation and mutual guarantees.

In this memorandum, General Director for Nuclear and Disarmament Affairs Adolfo Saracho reports on a Brazilian airplane's flight over the uranium enrichment plant at Pilcaniyeu.

In this cable to Buenos Aires, Ambassador Vazquez reports that he requested a meeting with Minister Olavo Setúbal after General Leonidas Pires Gonçalves suggested that he would support a Brazilian nuclear weapons program. Vazquez also discusses a conversation with the Brazilian Foreign Minister's chief of staff, who told Vazquez that General Leônidas Pires refuted the reports of a Brazilian atomic bomb.