Under Article 6 of the Constitution, which covers treason, the retired general could face death or life imprisonment, Attorney General Munir Malik said. An early verdict in the case against Musharraf is possible, he added.
He also did not rule out the possibility that Musharraf could be re-arrested during the proceedings. The Federal Investigation Agency would have the authority to carry out his arrest, he said.
Prime Minister Nawaz Sharif yesterday approved the names of three judges for a special court that will try the 70-year-old Musharraf for subverting the Constitution and imposing emergency in 2007.
This is the first time the civilian administration has sought the criminal prosecution of a military ruler.
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In the event of Musharraf's re-arrest, the special court will have the jurisdiction to grant him bail and only the President will have the power to pardon him, Malik said.
Speaking to reporters outside the Supreme Court, Malik said the special court will listen if the accused appeals.
Musharraf was recently granted bail in four major cases, including one over the assassination of former premier Benazir Bhutto in 2007. However, he is barred from travelling out of Pakistan as his name is on the Interior Ministry's Exit Control List.