法令翻訳 http://www.japaneselawtranslat...amp;page=5

(買取請求に応じて株式を取得した場合の責任)
第四百六十四条   株式会社が第百十六条第一項又は第百八十二条の四第一項の規定による請求に応じて株式を取得する場合において、当該請求をした株主に対して支払った金銭の額が当該支払の日における分配可能額を超えるときは、当該株式の取得に関する職務を行った業務執行者は、株式会社に対し、連帯して、その超過額を支払う義務を負う。 ただし、その者がその職務を行うについて注意を怠らなかったことを証明した場合は、この限りでない。

Liability Where Shares Are Acquired in Response to Exercise of Appraisal Rights
Article 464   In cases where a Stock Company acquires shares in response to a demand for appraisal pursuant to the provisions of Article 116, paragraph (1) or Article 182-4, paragraph (1), if the amount of the monies paid to the shareholders who made such demands exceeds the Distributable Amount as at the day when such payment is made, the Executives who performed duties in relation to the acquisition of such shares are jointly and severally liable to the Stock Company for payment of such excess amount; provided, however, that this does not apply in cases where such persons prove that they did not fail to exercise due care with respect to the performance of their duties.

前項の義務は、総株主の同意がなければ、免除することができない。

Exemption from the obligations under the preceding paragraph may not be given without the consent of all shareholders.