However, in January 2012, it emerged that two senior civil servants were arrested under graft charges.
The state government had ignored requests to allow a Central Bureau of Investigation (CBI) probe into graft charges.
He appeared in court again on 12 March 2009 but failed to enter a plea on the 86 graft charges against him.
She is now appealing a conviction here on graft charges.
Rafiqul Islam said Khaleda made the announcement after the court ordered to send her to jail on graft charges rejecting her bail prayer.
Earlier, defending herself against graft charges, she denied any knowledge of the shares.
Her other son remains in jail on graft charges.
On 28 December 2007, the Taiwan High Court found Ma again not guilty of graft charges.
He said the move was unrelated to the arrests of three officers three weeks ago on graft charges.
The judge rejected arguments from Chiluba's lawyers and doctors that the former president is too sick to face prosecution over graft charges.
