# 会社法 / Companies Act — 第六百三十七条 (Article 637) This is the Markdown twin of https://japanlaw.org/en/companies-act/art-637. 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: 第六百三十七条 (Article 637)（定款の変更） — address `art-637` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-637 - e-Gov law ID: 417AC0000000086 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL 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. --- ### 第六百三十七条（定款の変更） — (Change in Articles of Incorporation) caption: Ministry of Justice translation — Japanese Law Translation Database System art-637 · https://japanlaw.org/en/companies-act/art-637 **第一項** 持分会社は、定款に別段の定めがある場合を除き、総社員の同意によって、定款の変更をすることができる。 art-637/par-1 · https://japanlaw.org/en/companies-act/art-637/par-1 A membership company may change its articles of incorporation with the consent of all members, unless otherwise provided for in the articles of incorporation. Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 1 provision cites this one. No official source publishes this direction. - 会社法 第五百八十五条第三項（持分の譲渡） — https://japanlaw.org/en/companies-act/art-585/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 224 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17