# 会社法 / Companies Act — 第百七十一条 (Article 171)

- Law: 会社法 (Companies Act), 平成十七年法律第八十六号
- English title "Companies Act": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第百七十一条 (Article 171)（全部取得条項付種類株式の取得に関する決定） — address `art-171`
- Text in force since: 2026-08-12
- URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-171
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-171
- Every provision below carries its address and both URLs on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

---

### 第百七十一条（全部取得条項付種類株式の取得に関する決定） — (Determinations Regarding Acquisition of Shares Subject to Class-Wide Call)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-171 · https://japanlaw.org/ja/companies-act/art-171 · https://japanlaw.org/l/417AC0000000086/art-171</sup>

      **第一項**  全部取得条項付種類株式（第百八条第一項第七号に掲げる事項についての定めがある種類の株式をいう。以下この款において同じ。）を発行した種類株式発行会社は、株主総会の決議によって、全部取得条項付種類株式の全部を取得することができる。この場合においては、当該株主総会の決議によって、次に掲げる事項を定めなければならない。
      <sup>art-171/par-1 · https://japanlaw.org/ja/companies-act/art-171/par-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1</sup>
      A company with class shares which has issued shares subject to class-wide call (meaning the class shares that have provisions with respect to the matters set forth in Article 108, paragraph (1), item (vii) hereof; hereinafter the same applies in this Subsection) may acquire all of the shares subject to class-wide call by a resolution at a shareholders meeting. In these cases, the following matters must be prescribed by a resolution at relevant shareholders meeting:
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **一**  全部取得条項付種類株式を取得するのと引換えに金銭等を交付するときは、当該金銭等（以下この条において「取得対価」という。）についての次に掲げる事項
        <sup>art-171/par-1/item-1 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1</sup>
        if monies, etc. will be delivered in exchange for the acquisition of the shares subject to class-wide call, the following matters with respect to relevant monies, etc. (hereinafter in this Article referred to as "consideration for acquisition"):
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **イ**  当該取得対価が当該株式会社の株式であるときは、当該株式の種類及び種類ごとの数又はその数の算定方法
          <sup>art-171/par-1/item-1/sub-1 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1/sub-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1/sub-1</sup>
          if relevant consideration for acquisition consists of the shares in the stock company, the classes of relevant shares and the number of shares for each class, or the method for calculating the numbers;
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **ロ**  当該取得対価が当該株式会社の社債（新株予約権付社債についてのものを除く。）であるときは、当該社債の種類及び種類ごとの各社債の金額の合計額又はその算定方法
          <sup>art-171/par-1/item-1/sub-2 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1/sub-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1/sub-2</sup>
          if relevant consideration for acquisition consists of the bonds of the stock company (excluding those with respect to the bonds with share option), the classes of relevant bonds and the total amount of bonds for each class, or the method for calculating the total amounts;
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **ハ**  当該取得対価が当該株式会社の新株予約権（新株予約権付社債に付されたものを除く。）であるときは、当該新株予約権の内容及び数又はその算定方法
          <sup>art-171/par-1/item-1/sub-3 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1/sub-3 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1/sub-3</sup>
          if consideration for acquisition consists of the share options of the stock company (excluding those attached to bonds with share option), the features and number of relevant share options, or the method for calculating the number;
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **ニ**  当該取得対価が当該株式会社の新株予約権付社債であるときは、当該新株予約権付社債についてのロに規定する事項及び当該新株予約権付社債に付された新株予約権についてのハに規定する事項
          <sup>art-171/par-1/item-1/sub-4 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1/sub-4 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1/sub-4</sup>
          if relevant consideration for acquisition consists of the bonds with share option of the stock company, the matters prescribed in (b) above with respect to relevant bonds with share option, and the matters prescribed in (c) above with respect to the share options attached to relevant bonds with share option; and
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **ホ**  当該取得対価が当該株式会社の株式等以外の財産であるときは、当該財産の内容及び数若しくは額又はこれらの算定方法
          <sup>art-171/par-1/item-1/sub-5 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-1/sub-5 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1/sub-5</sup>
          if relevant consideration for acquisition consists of properties other than the shares, etc. of the stock company, the description and number or value of relevant properties, or the method for calculating the number or value;
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **二**  前号に規定する場合には、全部取得条項付種類株式の株主に対する取得対価の割当てに関する事項
        <sup>art-171/par-1/item-2 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-2</sup>
        in the cases provided for in the preceding item, the matters regarding the allotment of the consideration for acquisition to the shareholders of the shares subject to class-wide call;
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **三**  株式会社が全部取得条項付種類株式を取得する日（以下この款において「取得日」という。）
        <sup>art-171/par-1/item-3 · https://japanlaw.org/ja/companies-act/art-171/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-3</sup>
        the day on which the stock company will acquire the shares subject to class-wide call (hereinafter in this Subsection referred to as "acquisition day").
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **第二項**  前項第二号に掲げる事項についての定めは、株主（当該株式会社を除く。）の有する全部取得条項付種類株式の数に応じて取得対価を割り当てることを内容とするものでなければならない。
      <sup>art-171/par-2 · https://japanlaw.org/ja/companies-act/art-171/par-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-2</sup>
      The provisions regarding the matters set forth in item (ii) of the preceding paragraph must stipulate that the consideration for acquisition will be allotted in proportion to the number of the shares subject to class-wide call held by the shareholders (excluding the relevant stock company).
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **第三項**  取締役は、第一項の株主総会において、全部取得条項付種類株式の全部を取得することを必要とする理由を説明しなければならない。
      <sup>art-171/par-3 · https://japanlaw.org/ja/companies-act/art-171/par-3 · https://japanlaw.org/l/417AC0000000086/art-171/par-3</sup>
      The directors, at the shareholders meeting under paragraph (1) above, must explain the reasons for the need to acquire all of the shares subject to class-wide call.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-171/par-1: 第百八条第一項第七号 → 会社法 第百八条第一項第七号 (Article 108, paragraph (1), item (vii)), art-108/par-1/item-7 — https://japanlaw.org/ja/companies-act/art-108/par-1/item-7 · https://japanlaw.org/l/417AC0000000086/art-108/par-1/item-7
- art-171/par-1/item-1: この条 → 会社法 第百七十一条 (Article 171), art-171 — https://japanlaw.org/ja/companies-act/art-171 · https://japanlaw.org/l/417AC0000000086/art-171
- art-171/par-1/item-2: 前号 → 会社法 第百七十一条第一項第一号 (Article 171, paragraph (1), item (i)), art-171/par-1/item-1 — https://japanlaw.org/ja/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1
- art-171/par-2: 前項第二号 → 会社法 第百七十一条第一項第二号 (Article 171, paragraph (1), item (ii)), art-171/par-1/item-2 — https://japanlaw.org/ja/companies-act/art-171/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-2
- art-171/par-3: 第一項 → 会社法 第百七十一条第一項 (Article 171, paragraph (1)), art-171/par-1 — https://japanlaw.org/ja/companies-act/art-171/par-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1

## Cited by

24 provisions cite this one. No official source publishes this direction.

- 会社法 第百八条第二項第七号イ（異なる種類の株式） — https://japanlaw.org/ja/companies-act/art-108/par-2/item-7/sub-1 · https://japanlaw.org/l/417AC0000000086/art-108/par-2/item-7/sub-1
- 会社法 第百五十一条第一項第三号（株式の質入れの効果） — https://japanlaw.org/ja/companies-act/art-151/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-151/par-1/item-3
- 会社法 第百五十五条第一項第五号 — https://japanlaw.org/ja/companies-act/art-155/par-1/item-5 · https://japanlaw.org/l/417AC0000000086/art-155/par-1/item-5
- 会社法 第百七十一条第一項第一号（全部取得条項付種類株式の取得に関する決定） — https://japanlaw.org/ja/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1
- 会社法 第百七十一条第一項第二号（全部取得条項付種類株式の取得に関する決定） — https://japanlaw.org/ja/companies-act/art-171/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-2
- 会社法 第百七十一条第二項（全部取得条項付種類株式の取得に関する決定） — https://japanlaw.org/ja/companies-act/art-171/par-2 · https://japanlaw.org/l/417AC0000000086/art-171/par-2
- 会社法 第百七十一条第三項（全部取得条項付種類株式の取得に関する決定） — https://japanlaw.org/ja/companies-act/art-171/par-3 · https://japanlaw.org/l/417AC0000000086/art-171/par-3
- 会社法 第百七十一条の二第一項（全部取得条項付種類株式の取得対価等に関する書面等の備置き及び閲覧等） — https://japanlaw.org/ja/companies-act/art-171-2/par-1 · https://japanlaw.org/l/417AC0000000086/art-171-2/par-1
- 会社法 第百七十一条の二第一項第一号（全部取得条項付種類株式の取得対価等に関する書面等の備置き及び閲覧等） — https://japanlaw.org/ja/companies-act/art-171-2/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171-2/par-1/item-1
- 会社法 第百七十一条の三第一項（全部取得条項付種類株式の取得をやめることの請求） — https://japanlaw.org/ja/companies-act/art-171-3/par-1 · https://japanlaw.org/l/417AC0000000086/art-171-3/par-1
- 会社法 第百七十二条第一項（裁判所に対する価格の決定の申立て） — https://japanlaw.org/ja/companies-act/art-172/par-1 · https://japanlaw.org/l/417AC0000000086/art-172/par-1
- 会社法 第百七十三条第二項（効力の発生） — https://japanlaw.org/ja/companies-act/art-173/par-2 · https://japanlaw.org/l/417AC0000000086/art-173/par-2
- 会社法 第百七十三条第二項第一号（効力の発生） — https://japanlaw.org/ja/companies-act/art-173/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-1
- 会社法 第百七十三条第二項第二号（効力の発生） — https://japanlaw.org/ja/companies-act/art-173/par-2/item-2 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-2
- 会社法 第百七十三条第二項第三号（効力の発生） — https://japanlaw.org/ja/companies-act/art-173/par-2/item-3 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-3
- 会社法 第百七十三条第二項第四号（効力の発生） — https://japanlaw.org/ja/companies-act/art-173/par-2/item-4 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-4
- 会社法 第百八十九条第二項第一号（単元未満株式についての権利の制限等） — https://japanlaw.org/ja/companies-act/art-189/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-189/par-2/item-1
- 会社法 第二百十九条第一項第三号（株券の提出に関する公告等） — https://japanlaw.org/ja/companies-act/art-219/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-219/par-1/item-3
- 会社法 第三百九条第二項第三号（株主総会の決議） — https://japanlaw.org/ja/companies-act/art-309/par-2/item-3 · https://japanlaw.org/l/417AC0000000086/art-309/par-2/item-3
- 会社法 第四百六十二条第一項第三号（剰余金の配当等に関する責任） — https://japanlaw.org/ja/companies-act/art-462/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-462/par-1/item-3
- 会社法 第七百五十八条第一項第八号イ（株式会社に権利義務を承継させる吸収分割契約） — https://japanlaw.org/ja/companies-act/art-758/par-1/item-8/sub-1 · https://japanlaw.org/l/417AC0000000086/art-758/par-1/item-8/sub-1
- 会社法 第七百六十条第一項第七号イ（持分会社に権利義務を承継させる吸収分割契約） — https://japanlaw.org/ja/companies-act/art-760/par-1/item-7/sub-1 · https://japanlaw.org/l/417AC0000000086/art-760/par-1/item-7/sub-1
- 会社法 第七百六十三条第一項第十二号イ（株式会社を設立する新設分割計画） — https://japanlaw.org/ja/companies-act/art-763/par-1/item-12/sub-1 · https://japanlaw.org/l/417AC0000000086/art-763/par-1/item-12/sub-1
- 会社法 第七百六十五条第一項第八号イ（持分会社を設立する新設分割計画） — https://japanlaw.org/ja/companies-act/art-765/par-1/item-8/sub-1 · https://japanlaw.org/l/417AC0000000086/art-765/par-1/item-8/sub-1

---

## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 会社法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/417AC0000000086/20260812_508AC0000000064), retrieved 2026-09-17
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4481/tb), retrieved 2026-09-17
- This site's parser, version 211 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17