# 会社法 / Companies Act — 第百八十四条 (Article 184)

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- 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: 第百八十四条 (Article 184)（効力の発生等） — address `art-184`
- Text in force since: 2026-08-12
- URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-184
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-184
- 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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### 第百八十四条（効力の発生等） — (Effectuation)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-184 · https://japanlaw.org/en/companies-act/art-184 · https://japanlaw.org/l/417AC0000000086/art-184</sup>

      **第一項**  基準日において株主名簿に記載され、又は記録されている株主（種類株式発行会社にあっては、基準日において株主名簿に記載され、又は記録されている前条第二項第三号の種類の種類株主）は、同項第二号の日に、基準日に有する株式（種類株式発行会社にあっては、同項第三号の種類の株式。以下この項において同じ。）の数に同条第二項第一号の割合を乗じて得た数の株式を取得する。
      <sup>art-184/par-1 · https://japanlaw.org/en/companies-act/art-184/par-1 · https://japanlaw.org/l/417AC0000000086/art-184/par-1</sup>
      Shareholders that have been entered or recorded in the shareholder register on the record date (or, for a company with class shares, class shareholders of the classes provided for in paragraph (2), item (iii) of the preceding Article that have been entered or recorded in the shareholder register on the record date) acquire, on the day provided for in item (ii) of that paragraph, shares in the number obtained by multiplying the number of shares (or, for a company with class shares, shares of the classes provided for in item (iii) of that paragraph; hereinafter the same applies in this paragraph) they hold on the record date, by the ratio provided for in paragraph (2), item (i) of that Article.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **第二項**  株式会社（現に二以上の種類の株式を発行しているものを除く。）は、第四百六十六条の規定にかかわらず、株主総会の決議によらないで、前条第二項第二号の日における発行可能株式総数をその日の前日の発行可能株式総数に同項第一号の割合を乗じて得た数の範囲内で増加する定款の変更をすることができる。
      <sup>art-184/par-2 · https://japanlaw.org/en/companies-act/art-184/par-2 · https://japanlaw.org/l/417AC0000000086/art-184/par-2</sup>
      Notwithstanding the provisions of Article 466, a stock company (excluding a stock company that in fact issues two or more classes of shares) may, without a resolution at a shareholders meeting, effect an amendment to the articles of incorporation that is intended to increase the total number of authorized shares on the day provided for in paragraph (2), item (ii) of the preceding Article to the extent of the number obtained by multiplying the total number of authorized shares as of the day immediately preceding that day, by the ratio provided for in item (i) of that paragraph.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-184/par-1: 前条第二項第三号 → 会社法 第百八十三条第二項第三号 (Article 183, paragraph (2), item (iii)), art-183/par-2/item-3 — https://japanlaw.org/en/companies-act/art-183/par-2/item-3 · https://japanlaw.org/l/417AC0000000086/art-183/par-2/item-3
- art-184/par-1: 同項第二号 → 会社法 第百八十三条第二項第二号 (Article 183, paragraph (2), item (ii)), art-183/par-2/item-2 — https://japanlaw.org/en/companies-act/art-183/par-2/item-2 · https://japanlaw.org/l/417AC0000000086/art-183/par-2/item-2
- art-184/par-1: この項 → 会社法 第百八十四条第一項 (Article 184, paragraph (1)), art-184/par-1 — https://japanlaw.org/en/companies-act/art-184/par-1 · https://japanlaw.org/l/417AC0000000086/art-184/par-1
- art-184/par-1: 同条第二項第一号 → 会社法 第百八十三条第二項第一号 (Article 183, paragraph (2), item (i)), art-183/par-2/item-1 — https://japanlaw.org/en/companies-act/art-183/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-183/par-2/item-1
- art-184/par-2: 第四百六十六条 → 会社法 第四百六十六条 (Article 466), art-466 — https://japanlaw.org/en/companies-act/art-466 · https://japanlaw.org/l/417AC0000000086/art-466
- art-184/par-2: 前条第二項第二号 → 会社法 第百八十三条第二項第二号 (Article 183, paragraph (2), item (ii)), art-183/par-2/item-2 — https://japanlaw.org/en/companies-act/art-183/par-2/item-2 · https://japanlaw.org/l/417AC0000000086/art-183/par-2/item-2
- art-184/par-2: 同項第一号 → 会社法 第百八十三条第二項第一号 (Article 183, paragraph (2), item (i)), art-183/par-2/item-1 — https://japanlaw.org/en/companies-act/art-183/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-183/par-2/item-1

## Cited by

1 provision cites this one. No official source publishes this direction.

- 会社法 第百八十四条第一項（効力の発生等） — https://japanlaw.org/en/companies-act/art-184/par-1 · https://japanlaw.org/l/417AC0000000086/art-184/par-1

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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 223 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17
