Foreign Minister Mohammad Javad Zarif submitted his resignation on Tuesday because he was not informed of Syrian President Bashar al-Assad's visit to Tehran last week, Iranian media reported Tuesday, quoting Foreign Ministry spokesman Bahram Qasimi.
"The Ministry of Foreign Affairs has not received any information on any level (of the visit), and this situation remained until the end of the visit," ISNA news agency quoted Qasimi as saying.
He added that "one of the reasons for the resignation of Zarif was the lack of coordination with the Ministry of Foreign Affairs as announced earlier, the resignation of the minister was not because of a personal and individual issue."
"The aim and purpose was a positive attempt to restore the country's Ministry of Foreign Affairs and the diplomatic system to their basic status," he said.
Mohammed Javad Zarif announced his resignation in late February.
Zarif assumed the post of foreign minister in August 2013 after serving on the Iranian envoy to the United Nations for the period 2002-2007.
Zarif holds a Ph.D. in international law from the University of Denver in the United States of America.