In a ceremony on 3 August 2017, Ayatollah Ali Khamenei formally endorsed Hassan Rouhani as president for a second four-year tenure.

[2] Interior Minister Abdolreza Rahmani Fazli, was first present a report on the 12th presidential election, followed by a reading of Rouhani's validation order by Mohammadi Golpayegani, Head of Ayatollah Khamenei's Office.

[citation needed] After that, Rouhani read and signed the text of the oath, and promised to use all his powers to protect the religion, order in the country and the constitution.

"Promoting constructive interaction with the world, deepening bonds with neighboring and regional countries, and developing cooperation with friendly states are not only an informed choice but also a necessity to improve international peace and security," he said.

[2] The following leaders attended the swearing in ceremony: Security in the capital has been increased to the highest level, the police said, two months after gunmen linked to the ISIL attacked the parliament and the mausoleum of the late Ayatollah Ruhollah Khomeini, killing 17 people.