Article 18. In the case where the following items are conducted by a law, an ordinance, an order based on law or ordinance, or under guidance or intermediation of the administrative authorities, the registratisn tax shall, as prescribed by Ordinance, be levied as shown below, notwithstanding the Registration Tax Law, unless otherwise prescribed by law or Ordinance;provided, however, that if the amount of the registration tax as computed pursuant to the Registration tax as computed pursuant to the Registration Tax Law proves less than the amount shown below, the former shall be levied.