Microsoft and the US Department of Justice have been given four extra days to come up with a key report into the long-running antitrust case.
Both sides were told to submit a joint report to US District Court Judge Colleen Kollar-Kotelly today outlining how they see the next phase of the dispute.
The reports are vital for the next hearing which aims to prevent future antitrust violations and suggest suitable sanctions that should be placed on the software giant.
Both sides had requested the extension and Judge Kollar-Kotelly said there were "very good reasons" to delay the hearing until Tuesday.
Industry watchers believe that the terrorist attack on the World Trade Center is the most likely reason, although other aspects of the case are continuing to be dealt with.
On 28 June a federal appeals court upheld a ruling that Microsoft had abused its monopoly power, but reversed a decision to break up the company and ordered a new remedies hearing to be held under Judge Kollar-Kotelly.
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