# 会社法 / Companies Act — 第六百四十条 (Article 640) This is the Markdown twin of https://japanlaw.org/en/companies-act/art-640. 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: 第六百四十条 (Article 640)（定款の変更時の出資の履行） — address `art-640` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/en/companies-act/art-640 - 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. --- ### 第六百四十条（定款の変更時の出資の履行） — (Performance of Contributions in Changing Articles of Incorporation) caption: Ministry of Justice translation — Japanese Law Translation Database System art-640 · https://japanlaw.org/en/companies-act/art-640 **第一項** 第六百三十八条第一項第三号又は第二項第二号に掲げる定款の変更をする場合において、当該定款の変更をする持分会社の社員が当該定款の変更後の合同会社に対する出資に係る払込み又は給付の全部又は一部を履行していないときは、当該定款の変更は、当該払込み及び給付が完了した日に、その効力を生ずる。 art-640/par-1 · https://japanlaw.org/en/companies-act/art-640/par-1 If changes in the articles of incorporation set forth in Article 638, paragraph (1), item (iii) or paragraph (2), item (ii) of the same Article is to be effected, if members of the membership company that effects relevant changes in the articles of incorporation have not performed all or part of the payment in or delivery relating to the contributions to the limited liability company after relevant changes in the articles of incorporation, relevant changes in the articles of incorporation take effect on the day when relevant payment in and delivery have been completed. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前条第二項の規定により合同会社となる定款の変更をしたものとみなされた場合において、社員がその出資に係る払込み又は給付の全部又は一部を履行していないときは、当該定款の変更をしたものとみなされた日から一箇月以内に、当該払込み又は給付を完了しなければならない。ただし、当該期間内に、合名会社又は合資会社となる定款の変更をした場合は、この限りでない。 art-640/par-2 · https://japanlaw.org/en/companies-act/art-640/par-2 If changes in the articles of incorporation to become a limited liability company are deemed to have been effected pursuant to the provisions of paragraph (2) of the preceding Article, if the members have not performed all or part of the payment in or delivery relating to the members' contributions, the payment in or delivery must be completed within one month of the day when relevant changes in the articles of incorporation are deemed to have been effected; provided, however, that this does not apply if changes in the articles of incorporation to become a general partnership company or limited partnership company are effected within relevant period. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-640/par-1: 第六百三十八条第一項第三号 → 会社法 第六百三十八条第一項第三号 (Article 638, paragraph (1), item (iii)), art-638/par-1/item-3 — https://japanlaw.org/en/companies-act/art-638/par-1/item-3 - art-640/par-1: 第二項第二号 → 会社法 第六百三十八条第二項第二号 (Article 638, paragraph (2), item (ii)), art-638/par-2/item-2 — https://japanlaw.org/en/companies-act/art-638/par-2/item-2 - art-640/par-2: 前条第二項 → 会社法 第六百三十九条第二項 (Article 639, paragraph (2)), art-639/par-2 — https://japanlaw.org/en/companies-act/art-639/par-2 --- ## 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