IAEA Report, 31 August 2006, “Implementation of the NPT Safeguards Agreement in the Islamic Republic of Iran”.
Stored copy. Original Source (Vital Perspective). Explanation: this is the report that the IAEA delivered as required by Security Council resolution 1696 (see below.)
United Nations Security Council Resolution 1696, 31 July 2006. Original Source (UN Security Council). Explanation: This is the resolution which endorsed the package of incentives offered by the “P5+1” on 13 July 2006.
“Letter dated 13 July 2006 from the Permanent Representative of France to the United Nations addressed to the President of the Security Council.” Original Source: use the UN’s document search facility. Go to http://documents.un.org/simple.asp, enter “S/2006/521” as the search in the “symbol” field. Explanation: This is the set of incentives offered to Iran by the “P5+1”. The later Security Council resolution 1696 specifically endorses these incentives.
(Several other primary sources on the Iranian nuclear program (including IAEA reports preceding the 31 August 2006 report above) can be found at the website of the Federation of American Scientists.)