# 会社法 / Companies Act — 第五百九十四条 (Article 594) This is the Markdown twin of https://japanlaw.org/ja/companies-act/art-594. 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: 第五百九十四条 (Article 594)（競業の禁止） — address `art-594` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-594 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-594 - 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. --- ### 第五百九十四条（競業の禁止） — (Non-Competition) caption: Ministry of Justice translation — Japanese Law Translation Database System art-594 · https://japanlaw.org/ja/companies-act/art-594 · https://japanlaw.org/l/417AC0000000086/art-594 **第一項** 業務を執行する社員は、当該社員以外の社員の全員の承認を受けなければ、次に掲げる行為をしてはならない。ただし、定款に別段の定めがある場合は、この限りでない。 art-594/par-1 · https://japanlaw.org/ja/companies-act/art-594/par-1 · https://japanlaw.org/l/417AC0000000086/art-594/par-1 Members who execute the business may not carry out the following acts without the approval of all members other than relevant members; provided, however, that this does not apply if the articles of incorporation provide otherwise: Ministry of Justice translation — Japanese Law Translation Database System **一** 自己又は第三者のために持分会社の事業の部類に属する取引をすること。 art-594/par-1/item-1 · https://japanlaw.org/ja/companies-act/art-594/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-594/par-1/item-1 carrying out, for themselves or for a third party, any transaction which is in the line of business of the membership company; or Ministry of Justice translation — Japanese Law Translation Database System **二** 持分会社の事業と同種の事業を目的とする会社の取締役、執行役又は業務を執行する社員となること。 art-594/par-1/item-2 · https://japanlaw.org/ja/companies-act/art-594/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-594/par-1/item-2 becoming directors, executive officers or members who execute the business of a company the purpose of which is a business that is similar to the business of the membership company. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 業務を執行する社員が前項の規定に違反して同項第一号に掲げる行為をしたときは、当該行為によって当該業務を執行する社員又は第三者が得た利益の額は、持分会社に生じた損害の額と推定する。 art-594/par-2 · https://japanlaw.org/ja/companies-act/art-594/par-2 · https://japanlaw.org/l/417AC0000000086/art-594/par-2 If members who execute the business carry out any act set forth in item (i) of the preceding paragraph in violation of the provisions of that paragraph, the amount of the profit obtained by the members who execute relevant business or any third party as a result of relevant act is presumed to be amount of the loss suffered by the membership company. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-594/par-2: 前項 → 会社法 第五百九十四条第一項 (Article 594, paragraph (1)), art-594/par-1 — https://japanlaw.org/ja/companies-act/art-594/par-1 · https://japanlaw.org/l/417AC0000000086/art-594/par-1 - art-594/par-2: 同項第一号 → 会社法 第五百九十四条第一項第一号 (Article 594, paragraph (1), item (i)), art-594/par-1/item-1 — https://japanlaw.org/ja/companies-act/art-594/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-594/par-1/item-1 ## Cited by 6 provisions cite this one. No official source publishes this direction. - 会社法 第五百九十四条第二項（競業の禁止） — https://japanlaw.org/ja/companies-act/art-594/par-2 · https://japanlaw.org/l/417AC0000000086/art-594/par-2 - 会社法 第五百九十八条第二項（法人が業務を執行する社員である場合の特則） — https://japanlaw.org/ja/companies-act/art-598/par-2 · https://japanlaw.org/l/417AC0000000086/art-598/par-2 - 会社法 第六百五十一条第二項（清算人と清算持分会社との関係） — https://japanlaw.org/ja/companies-act/art-651/par-2 · https://japanlaw.org/l/417AC0000000086/art-651/par-2 - 会社法 第八百五十九条第一項第二号（持分会社の社員の除名の訴え） — https://japanlaw.org/ja/companies-act/art-859/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-859/par-1/item-2 - 社会保険労務士法 第二十五条の二十五第一項（一般社団法人及び一般財団法人に関する法律及び会社法の準用等） — https://japanlaw.org/ja/labor-and-social-security-attorney-act/art-25-25/par-1 · https://japanlaw.org/l/343AC1000000089/art-25-25/par-1 - 社会保険労務士法 第二十五条の二十五第二項（一般社団法人及び一般財団法人に関する法律及び会社法の準用等） — https://japanlaw.org/ja/labor-and-social-security-attorney-act/art-25-25/par-2 · https://japanlaw.org/l/343AC1000000089/art-25-25/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 223 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17