Article 26-(5). In case there is the income tax which is allowed to be deducted from the corporation tax on the income for each accounting period of a corporation in accordance with the provision of Article 10 but could not actually be deducted from the said corporation tax, in the income tax paid in the said accounting period in accordance with the provisions of Article 18 of the Income Tax Law or Article 19 paragraph 1 of the Law for Temporary Exceptions to the Income Tax Law, if the said corporation requests the refund to the Government at the same time of filing the return of the said accounting period under the provisions of Article 18 or Article 21 or the return under the provisions of Article 23 which states the matters as provided for in Article 18 or Article 21, the Government shall refund the said income tax as may be prescribed by Order.