The surprise move by the Islamist Mohammed Morsi could lead to a clash with Egypt's powerful generals.
Egypt's president on Sunday ordered the country's Islamist-dominated parliament to reconvene in defiance of a military decree dissolving the legislature last month following a court ruling that a third of its members were illegally elected, the state news agency reported.
The surprise move by the Islamist Mohammed Morsi will almost certainly lead to a clash with the powerful generals who formally handed power to him on June 30 after spending 16 months at the nation's helm following the ouster of Hosni Mubarak in a popular uprising.
The decree by Morsi, a longtime Muslim Brotherhood member, also called for new parliamentary elections to be held within 60 days of the adoption of a new constitution for the country, which is not expected before late this year.
Last month, the then-ruling military generals dissolved the legislature based on the ruling by the Supreme Constitutional Court, the country's highest tribunal.