P5+1

The first resolution, #1696, was adopted in July 2006 and demands that Iran halt its uranium enrichment-related and reprocessing activities.

The last Security Council resolution, #1929, adopted in June 2010, saw the expansion of more sanctions on Iran for its lack of cooperation and its continued uranium enrichment-related and reprocessing activities A round of the talks between Iran and the P5+1, chaired by EU High Representative Catherine Ashton,[1][5] was held in the Kazakh city of Almaty on 26–27 February 2013.

[citation needed] In a further meeting of the P5+1 in Geneva on 16 October 2013, Iran stated that it may allow unannounced visits to its nuclear sites as a "last step" in a proposal to resolve differences with the West.

"[9] Senior officials of the P5+1 and Iran met on 18–20 February 2014 in Vienna and agreed on a framework for future negotiations.

[10][11] Former Israeli UN Ambassador Dore Gold claimed that the comprehensive agreement being negotiated between Iran and the P5+1 focused on increased transparency instead of a reduction in nuclear capability.

The foreign ministers of the P5+1 nations, the High Representative of the European Union for Foreign Affairs , and the Iranian foreign minister in November 2013, when the Joint Plan of Action , an interim agreement on the Iranian nuclear program, was adopted in Geneva .
The ministers of foreign affairs of France, Germany, Iran, the United Kingdom and the United States as well as Chinese and Russian diplomats and the High Representative of the European Union for Foreign Affairs announcing an Iran nuclear deal framework in Lausanne on 2 April 2015. The framework deal became the basis for a final agreement, the Joint Comprehensive Plan of Action , which was agreed on 15 July 2015.
Last meetings before nuclear agreement