Foreign/overseas investor in enterprises with foreign/overseas investment who directly reinvest their profits gained from their enterprises to increase the registered capital or use their profits as capital investment for the establishment of other enterprises with foreign/overseas investment covering a period of operation not less than 5 years shall receive a refund of 40% of the income tax already paid for the reinvested portion upon application to and approved by the Municipal tax authority. The whole amount of the income tax already paid for the reinvested portion shall be refunded in case of reinvestment in the establishment and expansion of export-oriented or technologically advanced enterprises with periods of operation of no less than 5 years upon application to and approved the Municipal tax authority.