# 金融商品取引法 / Financial Instruments and Exchange Act — 第四十条の六 (Article 40-6) - Law: 金融商品取引法 (Financial Instruments and Exchange Act), 昭和二十三年法律第二十五号 - English title "Financial Instruments and Exchange 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: 第四十条の六 (Article 40-6)（のみ行為の禁止） — address `art-40-6` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-40-6 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000025/art-40-6 - 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. --- ### 第四十条の六（のみ行為の禁止） — (Prohibition of Trading Against Self) caption: Ministry of Justice translation — Japanese Law Translation Database System art-40-6 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-40-6 · https://japanlaw.org/l/323AC0000000025/art-40-6 **第一項** 金融商品取引業者等は、商品関連市場デリバティブ取引等（商品関連市場デリバティブ取引又はその委託の媒介、取次ぎ若しくは代理をいう。以下この条において同じ。）の委託を受けたときは、その委託に係る商品関連市場デリバティブ取引等をしないで、自己がその相手方となつて取引を成立させてはならない。 art-40-6/par-1 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-40-6/par-1 · https://japanlaw.org/l/323AC0000000025/art-40-6/par-1 When a financial instruments business operator, etc. accepts entrustment of a commodity-related market derivatives transaction, etc. (meaning a commodity-related derivatives transaction, or intermediation, brokerage, or agency for the entrustment; hereinafter the same applies in this Article), the business operator, etc. must not close a transaction by becoming the counterparty without conducting commodity-related derivatives transaction, etc. in relation to that entrustment. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-40-6/par-1: この条 → 金融商品取引法 第四十条の六 (Article 40-6), art-40-6 — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-40-6 · https://japanlaw.org/l/323AC0000000025/art-40-6 ## Cited by 8 provisions cite this one. No official source publishes this direction. - 資金決済に関する法律 第六十二条の十七第一項（金融商品取引法の準用） — https://japanlaw.org/ja/payment-services-act/art-62-17/par-1 · https://japanlaw.org/l/421AC0000000059/art-62-17/par-1 - 金融商品取引法 第四十条の六第一項（のみ行為の禁止） — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-40-6/par-1 · https://japanlaw.org/l/323AC0000000025/art-40-6/par-1 - 金融商品取引法 第六十五条の四第一項（内閣府令への委任） — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-65-4/par-1 · https://japanlaw.org/l/323AC0000000025/art-65-4/par-1 - 金融商品取引法 第二百条第一項第十五号の二 — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-200/par-1/item-15-2 · https://japanlaw.org/l/323AC0000000025/art-200/par-1/item-15-2 - 銀行法 第十三条の四第一項（金融商品取引法の準用） — https://japanlaw.org/ja/banking-act/art-13-4/par-1 · https://japanlaw.org/l/356AC0000000059/art-13-4/par-1 - 銀行法 第五十二条の二の五第一項（外国銀行代理銀行についての金融商品取引法の準用） — https://japanlaw.org/ja/banking-act/art-52-2-5/par-1 · https://japanlaw.org/l/356AC0000000059/art-52-2-5/par-1 - 銀行法 第五十二条の四十五の二第一項（銀行代理業者についての金融商品取引法の準用） — https://japanlaw.org/ja/banking-act/art-52-45-2/par-1 · https://japanlaw.org/l/356AC0000000059/art-52-45-2/par-1 - 銀行法 第五十二条の六十の十七第一項（金融商品取引法の準用） — https://japanlaw.org/ja/banking-act/art-52-60-17/par-1 · https://japanlaw.org/l/356AC0000000059/art-52-60-17/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 金融商品取引法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/323AC0000000025/20260812_508AC0000000064), retrieved 2026-10-22 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Financial Instruments and Exchange Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4633/tb), retrieved 2026-10-22 - This site's parser, version 212 — 金融商品取引法 — structure, counts, cross-references and defined terms, computed 2026-10-22