KARACHI - All Karachi Tajir Ittehad has demanded the restoration of previous income tax return system. The traders from all over the Karachi have burnt new income tax return forms in front of Karachi Press Club building. Protestors from different business areas of city demand that they would not summit their income tax return unless restoration of the previously tax payer system. Attiq Mir president All Karachi Tajir Ittehad told The Nation that traders have already shown their concerns about current tax system to Chairman FBR in a meeting which was held in Karachi Chamber. He added that traders requested to Chairman for a simple form. Mir said that this is being done on the demand of IMF and World Bank. He blamed that IMF and WB inducted their agents in government organisations and they are trying to collapse countrys economy.