Continue of negotiations is based on the solutions have been reached in Lausanne, Iranian Foreign Minister added.

Zarif emphasized any agreement must guarantee the rights of the Iranian people and lift all bans on Iran.

Iranian Foreign Minister Mohammad Javad Zarif will negotiate with p5+1 countries in Vienna and join a final push for a comprehensive nuclear deal with six world powers.

Zarif will meet his US counterpart John Kerry to address all outstanding issues ahead of a June 30 deadline to reach a deal on Tehran's nuclear program.

The preliminary agreement - between 60 and 70 pages long - is written in English and Farsi. The exact wording of certain passages has caused delays in the negotiations with Britain, China, France, Russia, the United States and Germany, DPA reports.