# 会社法 / Companies Act — 第百七十三条 (Article 173)

- 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: 第百七十三条 (Article 173)（効力の発生） — address `art-173`
- Text in force since: 2026-08-12
- URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-173
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-173
- 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.

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### 第百七十三条（効力の発生） — (Effectuation)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-173 · https://japanlaw.org/en/companies-act/art-173 · https://japanlaw.org/l/417AC0000000086/art-173</sup>

      **第一項**  株式会社は、取得日に、全部取得条項付種類株式の全部を取得する。
      <sup>art-173/par-1 · https://japanlaw.org/en/companies-act/art-173/par-1 · https://japanlaw.org/l/417AC0000000086/art-173/par-1</sup>
      A stock company acquires shares subject to class-wide call on the acquisition day.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **第二項**  次の各号に掲げる場合には、当該株式会社以外の全部取得条項付種類株式の株主（前条第一項の申立てをした株主を除く。）は、取得日に、第百七十一条第一項の株主総会の決議による定めに従い、当該各号に定める者となる。
      <sup>art-173/par-2 · https://japanlaw.org/en/companies-act/art-173/par-2 · https://japanlaw.org/l/417AC0000000086/art-173/par-2</sup>
      In the cases set forth in the following items, shareholders of the shares subject to class-wide call other than the stock company (excluding shareholders who file a petition under paragraph (1) of the preceding Article) become the person specified in each of those items in accordance with provisions made by a resolution at the shareholders meeting under Article 171, paragraph (1) on the acquisition day:
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **一**  第百七十一条第一項第一号イに掲げる事項についての定めがある場合　同号イの株式の株主
        <sup>art-173/par-2/item-1 · https://japanlaw.org/en/companies-act/art-173/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-1</sup>
        if there are provisions on the matters set forth in Article 171, paragraph (1), item (i), (a):the holders of shares referred to in (a) of that item;
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **二**  第百七十一条第一項第一号ロに掲げる事項についての定めがある場合　同号ロの社債の社債権者
        <sup>art-173/par-2/item-2 · https://japanlaw.org/en/companies-act/art-173/par-2/item-2 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-2</sup>
        if there are provisions on the matters set forth in Article 171, paragraph (1), item (i), (b):the holders of bonds referred to in (b) of that item;
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **三**  第百七十一条第一項第一号ハに掲げる事項についての定めがある場合　同号ハの新株予約権の新株予約権者
        <sup>art-173/par-2/item-3 · https://japanlaw.org/en/companies-act/art-173/par-2/item-3 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-3</sup>
        if there are provisions on the matters set forth in Article 171, paragraph (1), item (i), (c):the holders of share option referred to in (c) of that item;
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **四**  第百七十一条第一項第一号ニに掲げる事項についての定めがある場合　同号ニの新株予約権付社債についての社債の社債権者及び当該新株予約権付社債に付された新株予約権の新株予約権者
        <sup>art-173/par-2/item-4 · https://japanlaw.org/en/companies-act/art-173/par-2/item-4 · https://japanlaw.org/l/417AC0000000086/art-173/par-2/item-4</sup>
        if there are provisions on the matters set forth in Article 171, paragraph (1), item (i), (d):the holders of bonds constituting the bonds with share option referred to in (d) of that item, and holders of the share option attached to those bonds.
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-173/par-2: 前条第一項 → 会社法 第百七十二条第一項 (Article 172, paragraph (1)), art-172/par-1 — https://japanlaw.org/en/companies-act/art-172/par-1 · https://japanlaw.org/l/417AC0000000086/art-172/par-1
- art-173/par-2: 第百七十一条第一項 → 会社法 第百七十一条第一項 (Article 171, paragraph (1)), art-171/par-1 — https://japanlaw.org/en/companies-act/art-171/par-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1
- art-173/par-2/item-1: 第百七十一条第一項第一号 → 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/en/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1
- art-173/par-2/item-2: 第百七十一条第一項第一号 → 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/en/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1
- art-173/par-2/item-3: 第百七十一条第一項第一号 → 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/en/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1
- art-173/par-2/item-4: 第百七十一条第一項第一号 → 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/en/companies-act/art-171/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-171/par-1/item-1

## Cited by

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

- 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/en/companies-act/art-151/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-151/par-1/item-3
- 会社法 第二百三十四条第一項第二号（一に満たない端数の処理） — https://japanlaw.org/en/companies-act/art-234/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-234/par-1/item-2
- 会社法 第四百六十一条第一項第四号（配当等の制限） — https://japanlaw.org/en/companies-act/art-461/par-1/item-4 · https://japanlaw.org/l/417AC0000000086/art-461/par-1/item-4
- 会社法 第四百六十五条第一項第六号（欠損が生じた場合の責任） — https://japanlaw.org/en/companies-act/art-465/par-1/item-6 · https://japanlaw.org/l/417AC0000000086/art-465/par-1/item-6

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## 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