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

(定款の変更の手続の特則)
第百十条   定款を変更してその発行する全部の株式の内容として第百七条第一項第三号に掲げる事項についての定款の定めを設け、又は当該事項についての定款の変更（当該事項についての定款の定めを廃止するものを除く。）をしようとする場合（株式会社が種類株式発行会社である場合を除く。）には、株主全員の同意を得なければならない。

Special Provisions on Procedures for Amendments in Articles of Incorporation
Article 110   In cases where it is intended to create, as a feature of all shares to be issued by a Stock Company, a provision in the articles of incorporation with respect to the matters listed in Article 107, paragraph (1), item (iii) by amending the articles of incorporation, or to effect any amendment (excluding that which abolishes the provisions of the articles of incorporation with respect to such matters) in the articles of incorporation with respect to such matters (excluding the case where the Stock Company is a Company with Class Shares), the consent of all shareholders must be obtained.