# 会社法 / Companies Act — 第四百五十一条 (Article 451) This is the Markdown twin of https://japanlaw.org/ja/companies-act/art-451. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - 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: 第四百五十一条 (Article 451)（準備金の額の増加） — address `art-451` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-451 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-451 - 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. --- ### 第四百五十一条（準備金の額の増加） — (Increase in Amount of Reserves) caption: Ministry of Justice translation — Japanese Law Translation Database System art-451 · https://japanlaw.org/ja/companies-act/art-451 · https://japanlaw.org/l/417AC0000000086/art-451 **第一項** 株式会社は、剰余金の額を減少して、準備金の額を増加することができる。この場合においては、次に掲げる事項を定めなければならない。 art-451/par-1 · https://japanlaw.org/ja/companies-act/art-451/par-1 · https://japanlaw.org/l/417AC0000000086/art-451/par-1 A stock company may increase the amount of its reserves by reducing the amount of its surplus. In these cases, the following matters must be decided: Ministry of Justice translation — Japanese Law Translation Database System **一** 減少する剰余金の額 art-451/par-1/item-1 · https://japanlaw.org/ja/companies-act/art-451/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-451/par-1/item-1 the amount by which the surplus is reduced; Ministry of Justice translation — Japanese Law Translation Database System **二** 準備金の額の増加がその効力を生ずる日 art-451/par-1/item-2 · https://japanlaw.org/ja/companies-act/art-451/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-451/par-1/item-2 the day on which the increase in the amount of the reserves takes effect. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項各号に掲げる事項の決定は、株主総会の決議によらなければならない。 art-451/par-2 · https://japanlaw.org/ja/companies-act/art-451/par-2 · https://japanlaw.org/l/417AC0000000086/art-451/par-2 Decisions on the matters set forth in the items of the preceding paragraph must be made by a resolution at a shareholders meeting. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項第一号の額は、同項第二号の日における剰余金の額を超えてはならない。 art-451/par-3 · https://japanlaw.org/ja/companies-act/art-451/par-3 · https://japanlaw.org/l/417AC0000000086/art-451/par-3 The amount under paragraph (1), item (i) may not exceed the amount of surplus as at the day under item (ii) of that paragraph. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-451/par-2: 前項 → 会社法 第四百五十一条第一項 (Article 451, paragraph (1)), art-451/par-1 — https://japanlaw.org/ja/companies-act/art-451/par-1 · https://japanlaw.org/l/417AC0000000086/art-451/par-1 - art-451/par-3: 第一項第一号 → 会社法 第四百五十一条第一項第一号 (Article 451, paragraph (1), item (i)), art-451/par-1/item-1 — https://japanlaw.org/ja/companies-act/art-451/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-451/par-1/item-1 - art-451/par-3: 同項第二号 → 会社法 第四百五十一条第一項第二号 (Article 451, paragraph (1), item (ii)), art-451/par-1/item-2 — https://japanlaw.org/ja/companies-act/art-451/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-451/par-1/item-2 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 会社法 第四百五十一条第二項（準備金の額の増加） — https://japanlaw.org/ja/companies-act/art-451/par-2 · https://japanlaw.org/l/417AC0000000086/art-451/par-2 - 会社法 第四百五十一条第三項（準備金の額の増加） — https://japanlaw.org/ja/companies-act/art-451/par-3 · https://japanlaw.org/l/417AC0000000086/art-451/par-3 --- ## 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