Edited sentence: Former exiled president of Madagascar Marc Ravalomanana, President of the High Authority of Transition of Madagascar Andry Rajoelina, former exiled Madasgcar president Didier Ratsiraka and former president of the Malagasy Republic Albert Zafy are meeting beginning Tuesday August 4, 2009 in Madagascar for four day long mediation crisis talks with the former Mozambican President Joaquim Chissano acting as mediator.Ratsiraka who has been exiled in France has seen his amnesty issue resolved at the talks.Representatives from the African Union (AU), United Nations (UN), the International Organisation of the Francophonie and the Southern African Development Community (SADC).The four leaders seek to again become a customs union (SADC), and representatives of the United Nations.The mediation talks hope to arrive at a way for Rajoelina to return to Madasgcar from his exile in South Africa.The talks are also a trade meeting to begin negotiations on the transition charter to seek new elections in Madascar