Simplify the following text for a Grade 19 native English-speaking person.
Original: On August 2 , 2007 , the Japan Skating Federation , itself wracked by scandal , announced that it had suspended Oda from national competition until the end of October and from international competition and exhibitions until the end of December , effectively withdrawing him from his two Grand Prix of Figure Skating assignments ( Skate Canada and TrophÃ e Eric Bompard ) , while allowing him to compete at Nationals and try to earn a spot to the 2008 World Championships .
Simplified: On August 2 , 2007 , the Japan Skating Federation announced that it had suspended Oda from national competition until the end of October and from international competition and exhibitions until the end of December , effectively withdrawing him from his two Grand Prix assignments while allowing him to compete at Nationals and try to earn a spot to the 2008 Worlds .