Against the backdrop of a Shia election sweep, Iraqi elder statesman Adnan Pachachi said he would work to ensure Sunnis participate in new elections later this year.
Sunni Muslim tribal chief Ghazi al-Yawir has been sworn in as Iraq's new interim president by the US-appointed Iraqi Governing Council.
The nomination of president of Iraq by the Iraqi Governing Council has been postponed.
The head of Iraq's interim Governing Council has been meeting US President George Bush to discuss the transition to self-rule in Iraq.
The UN's role in transferring power to Iraqis in the US-occupied country will top the agenda at talks in New York next week.