# 金融商品取引法 / Financial Instruments and Exchange Act — 第四十一条の二 (Article 41-2) - 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: 第四十一条の二 (Article 41-2)（禁止行為） — address `art-41-2` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000025/art-41-2 - 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. --- ### 第四十一条の二（禁止行為） — (Prohibited Actions) caption: Ministry of Justice translation — Japanese Law Translation Database System art-41-2 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2 · https://japanlaw.org/l/323AC0000000025/art-41-2 **第一項** 金融商品取引業者等は、その行う投資助言業務に関して、次に掲げる行為をしてはならない。 art-41-2/par-1 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1 A financial instruments business operator, etc. must not perform any of the following acts in connection with the investment advisory business it conducts: Ministry of Justice translation — Japanese Law Translation Database System **一** 顧客相互間において、他の顧客の利益を図るため特定の顧客の利益を害することとなる取引を行うことを内容とした助言を行うこと。 art-41-2/par-1/item-1 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-1 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-1 giving advice to customers to conduct a transaction between themselves that would be detrimental to a particular customer's interests in the interest of another customer; Ministry of Justice translation — Japanese Law Translation Database System **二** 特定の金融商品、金融指標又はオプションに関し、顧客の取引に基づく価格、指標、数値又は対価の額の変動を利用して自己又は当該顧客以外の第三者の利益を図る目的をもつて、正当な根拠を有しない助言を行うこと。 art-41-2/par-1/item-2 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-2 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-2 giving advice regarding a particular financial instrument, financial index, or option for which there is no justifiable basis, with the aim of using fluctuations in the price, indicator, figure, or amount receivable based on a customer's transaction, to benefit itself or a third party other than that customer; Ministry of Justice translation — Japanese Law Translation Database System **三** 通常の取引の条件と異なる条件で、かつ、当該条件での取引が顧客の利益を害することとなる条件での取引を行うことを内容とした助言を行うこと（第一号に掲げる行為に該当するものを除く。）。 art-41-2/par-1/item-3 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-3 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-3 giving advice to a customer to conduct a transaction under terms and conditions that are different from the ordinary terms and conditions and detrimental to the customer's interests (other than an act that falls under the act set forth in item (i)); Ministry of Justice translation — Japanese Law Translation Database System **四** 助言を受けた顧客が行う取引に関する情報を利用して、自己の計算において有価証券の売買その他の取引又はデリバティブ取引（以下「有価証券の売買その他の取引等」という。）を行うこと。 art-41-2/par-1/item-4 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-4 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-4 making a purchase and sale or other transaction of securities, or a derivatives transaction (hereinafter referred to as "purchase and sale or other transaction of securities"), on its own account, using information from a transaction conducted by a customer that has received its advice; Ministry of Justice translation — Japanese Law Translation Database System **五** その助言を受けた取引により生じた顧客の損失の全部又は一部を補てんし、又はその助言を受けた取引により生じた顧客の利益に追加するため、当該顧客又は第三者に対し、財産上の利益を提供し、又は第三者に提供させること（事故による損失の全部又は一部を補てんする場合を除く。）。 art-41-2/par-1/item-5 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-5 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-5 providing an economic benefit to a customer or a third party or having a third party provide an economic benefit to a customer, in order to cover the whole or part of a loss incurred by the customer due to a transaction about which the customer has received its advice, or in order to add to the profit that a customer has accrued in connection with a transaction about which the customer has received its advice (unless this is to cover the whole or part of a loss incurred due to problematic conduct); and Ministry of Justice translation — Japanese Law Translation Database System **六** 前各号に掲げるもののほか、投資者の保護に欠け、若しくは取引の公正を害し、又は金融商品取引業の信用を失墜させるものとして内閣府令で定める行為 art-41-2/par-1/item-6 · https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-6 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-6 beyond what is set forth in the preceding items, any act specified by Cabinet Office Order as resulting in insufficient investor protection, harming the fairness of transactions, or causing a loss of confidence in the financial instruments business. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-41-2/par-1/item-3: 第一号 → 金融商品取引法 第四十一条の二第一項第一号 (Article 41-2, paragraph (1), item (i)), art-41-2/par-1/item-1 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-1 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-1 - art-41-2/par-1/item-6: 前各号 → 金融商品取引法 第四十一条の二第一項第一号 (Article 41-2, paragraph (1), item (i)), art-41-2/par-1/item-1 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-1 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-1 - art-41-2/par-1/item-6: 前各号 → 金融商品取引法 第四十一条の二第一項第二号 (Article 41-2, paragraph (1), item (ii)), art-41-2/par-1/item-2 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-2 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-2 - art-41-2/par-1/item-6: 前各号 → 金融商品取引法 第四十一条の二第一項第三号 (Article 41-2, paragraph (1), item (iii)), art-41-2/par-1/item-3 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-3 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-3 - art-41-2/par-1/item-6: 前各号 → 金融商品取引法 第四十一条の二第一項第四号 (Article 41-2, paragraph (1), item (iv)), art-41-2/par-1/item-4 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-4 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-4 - art-41-2/par-1/item-6: 前各号 → 金融商品取引法 第四十一条の二第一項第五号 (Article 41-2, paragraph (1), item (v)), art-41-2/par-1/item-5 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-5 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-5 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 金融商品取引法 第四十一条の二第一項第三号（禁止行為） — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-3 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-3 - 金融商品取引法 第四十一条の二第一項第六号（禁止行為） — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-41-2/par-1/item-6 · https://japanlaw.org/l/323AC0000000025/art-41-2/par-1/item-6 - 金融商品取引法 第五十条の二第四項（廃業等の届出等） — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-50-2/par-4 · https://japanlaw.org/l/323AC0000000025/art-50-2/par-4 - 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/en/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 第百九十八条の三第一項 — https://japanlaw.org/en/financial-instruments-and-exchange-act/art-198-3/par-1 · https://japanlaw.org/l/323AC0000000025/art-198-3/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