Speaking to the Tasnim News Agency, Behrouz Nemati said arrangements have been made for the ceremony, which will be held in the parliament building.
He said that in addition to high-ranking Iranian officials, the parliament speakers of a number of countries are also scheduled to attend the swearing-in.
Nemati went on to say that Iranian Parliament Speaker Ali Larijani has been contacting parliament speakers of other countries to invite them to participate in the ceremony.
President Rouhani is slated to take the oath of office at an open session of the parliament on August 5.
The inaugural ceremony will be held after the endorsement of Rouhani’s presidency by Leader of the Islamic Revolution Ayatollah Seyed Ali Khamenei.
Following the swearing-in ceremony, the president will have two weeks to submit his new cabinet to the parliament for a vote of confidence.
In Iran’s presidential election on May 19, Rouhani garnered 23,549,616 votes from a total of 41,220,131 ballots. The runner-up, Ebrahim Raisi, secured 38.5% of the votes.
No sitting president in Iran has failed to win a second term since 1981.
During the previous presidential election in June 2013, Rouhani had emerged victorious by winning 50.7 percent of a total of over 36 million votes. He had won more than three times as many votes as his closest challenger.