Where the shareholder exercises its option for the payment of the dividend in shares, the shareholder meeting the legal requirements may pay a balancing amount in cash to receive an additional share. In the case of a bonus shares distribution, the rights to any fractions of a share arising from the increase shall not be negotiable and the corresponding shares shall be sold and the proceeds distribute to the holders of such rights no later than thirty days after the registration in their account of the whole number of shares allocated to them .