Once Kissinger approved an approach, State Department officials prepared the substance of communications with Moscow, which included a basic five-point paper constituting proposed “undertakings” for a suppliers’ group. The proposed guidelines for nuclear exporters included no “peaceful nuclear explosives” for non-nuclear states, IAEA safeguards for nuclear supplies, and “special restraints” over exports of sensitive enrichment and reprocessing technologies, including comprehensive safeguards and multinational plants.