Pages 132-136 from FCO 151_47 - centrifuge export controls and multilateral discussions

This document includes an aide-memoire regarding centrifuge export controls and an accompanying letter. The purpose of the memo is to inform recipients in Ottawa, Rome, and Stockholm about the upcoming meeting on centrifuge enrichment technology. The memo provides background information and requests recipients to hand over a copy of the aide-memoire to an appropriate official. It also outlines key points to be communicated orally, including the draft letter to the Director General of the IAEA, the basis for inviting participants to the meeting, the need for technical expertise, and the expectation of firm indications on accepting proposed procedures. The memo mentions that the meeting will take place in London and provides administrative details. The letter attached to the memo discusses the need to clarify and improve the trigger list related to gas centrifuge uranium enrichment. It suggests a new formulation and proposes that each member of the Zangger Committee reinterprets the relevant paragraph to allow suppliers to halt exports of critical components. The letter highlights the importance of maintaining confidentiality and mentions the informal meeting that took place in London, as well as future discussions involving additional countries. The document concludes by emphasizing the sensitive nature of the topic and the need for strict confidentiality.