Coalition officials and the Iraqi government have agreed to transfer legal custody of Saddam Hussein in a week, a coalition official said in Baghdad.
The official made the remarks only hours after the US-led coalition handed over power to an Iraqi interim government in a low-key ceremony in Baghdad.
No further specifics on the exact timing were available.
The ousted Iraqi leader, however, will remain in the hands of US troops, because Iraq does not have a prison strong enough to hold him, a US official had said earlier.
The Iraqi Special Tribunal, established six months ago, is expected to try Saddam for atrocities committed during his 23 years as president, including the deaths of some 300,000 people.