# 私的独占の禁止及び公正取引の確保に関する法律 / Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — 第十三条 (Article 13) This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/art-13. 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: 私的独占の禁止及び公正取引の確保に関する法律 (Act on Prohibition of Private Monopolization and Maintenance of Fair Trade), 昭和二十二年法律第五十四号 - English title "Act on Prohibition of Private Monopolization and Maintenance of Fair Trade": 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: 第十三条 (Article 13) — address `art-13` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/art-13 - e-Gov law ID: 322AC0000000054 — 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. --- ### 第十三条 art-13 · https://japanlaw.org/ja/antimonopoly-act/art-13 **第一項** 会社の役員又は従業員（継続して会社の業務に従事する者であつて、役員以外の者をいう。以下この条において同じ。）は、他の会社の役員の地位を兼ねることにより一定の取引分野における競争を実質的に制限することとなる場合には、当該役員の地位を兼ねてはならない。 art-13/par-1 · https://japanlaw.org/ja/antimonopoly-act/art-13/par-1 An officer or an employee (meaning, in this Article, a person other than an officer engaged in the business of a company on a regular basis) of a company must not hold a position as an officer of another company at the same time, if the person's doing so substantially restrains competition in any particular field of trade. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 会社は、不公正な取引方法により、自己と国内において競争関係にある他の会社に対し、自己の役員がその会社の役員若しくは従業員の地位を兼ね、又は自己の従業員がその会社の役員の地位を兼ねることを認めるべきことを強制してはならない。 art-13/par-2 · https://japanlaw.org/ja/antimonopoly-act/art-13/par-2 A company must not use unfair trade practices to coerce another company with which it is in competition in Japan to admit its officer to a concurrent position as an officer or employee of the other company, or to coerce another company to admit its employee to a concurrent position as an officer. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-13/par-1: この条 → 私的独占の禁止及び公正取引の確保に関する法律 第十三条 (Article 13), art-13 — https://japanlaw.org/ja/antimonopoly-act/art-13 ## Cited by 7 provisions cite this one. No official source publishes this direction. - 私的独占の禁止及び公正取引の確保に関する法律 第十三条第一項 — https://japanlaw.org/ja/antimonopoly-act/art-13/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 第十七条第一項 — https://japanlaw.org/ja/antimonopoly-act/art-17/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 第十七条の二第二項 — https://japanlaw.org/ja/antimonopoly-act/art-17-2/par-2 - 私的独占の禁止及び公正取引の確保に関する法律 第四十八条の二第一項 — https://japanlaw.org/ja/antimonopoly-act/art-48-2/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 第七十条の四第一項 — https://japanlaw.org/ja/antimonopoly-act/art-70-4/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第八条第一項 — https://japanlaw.org/ja/antimonopoly-act/suppl-3221-54/art-8/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第八条第二項 — https://japanlaw.org/ja/antimonopoly-act/suppl-3221-54/art-8/par-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 私的独占の禁止及び公正取引の確保に関する法律 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/322AC0000000054/20260521_505AC0000000063), retrieved 2026-11-06 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), retrieved 2026-11-06 - This site's parser, version 225 — 私的独占の禁止及び公正取引の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-11-06