Complex sentence: As speaker of the parliament on June 21 2002 he became acting president due to the resignation of President A.Q.M. Badruddoza Chowdhury and remained until a new president Iajuddin Ahmed was elected on September 6,2002.
Split into simpler sentences: As speaker of the parliament on June 21 2002 he became acting president due to the resignation of President A.Q.M. Badruddoza Chowdhury. He remained acting president until a new president Iajuddin Ahmed was elected on September 6,2002.