(1) The nullification of a merger may be asserted only by a lawsuit filed by a shareholder, director, auditor, liquidator or bankruptcy trustee or creditor of each company who has opposed the merger. <Amended by Act No. 3724, Apr. 10, 1984>
(2) A lawsuit under paragraph (1) shall be filed within six months from the date of the registration under Article 528. <Amended by Act No. 3724, Apr. 10, 1984>