Notwithstanding anything contained in the Business Profits Tax Act, 1947 (XXI of 1947), the Gift-tax Act, 1963 (XIV of 1963). the Wealth-tax Act, 1963 (XV of 1963), the Income Tax Ordinance 1979 (XXXI of 1979, or any other law for the time being in force relating to income-tax, super-tax, wealth-tax, gift-tax, capital gains tax or business profi...