Former Prime Minister Tun Dr Mahathir Mohamad held a press conference on Thursday to state that the Registrar of Societies (ROS) had rejected Parti Pejuang Tanah Air's application to be registered as a political party.br br Pro-tem Pejuang secretary-general Datuk Amiruddin Hamzah said they had held meetings with the Registrar of Societies (ROS) to ensure the registration process was as complete as possible.br br However, they received a letter from ROS on Wednesday that their application had been rejected.