# 金融商品取引法 / Financial Instruments and Exchange Act — 第六十六条の五十七 (Article 66-57) - 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: 第六十六条の五十七 (Article 66-57)（業務の運営に関する規制） — address `art-66-57` - 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-66-57 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000025/art-66-57 - 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. --- ### 第六十六条の五十七（業務の運営に関する規制） — (Regulation on Business Operations) caption: Ministry of Justice translation — Japanese Law Translation Database System art-66-57 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57 · https://japanlaw.org/l/323AC0000000025/art-66-57 **第一項** 高速取引行為者は、業務の運営の状況が次の各号のいずれかに該当することのないように、その業務を行わなければならない。 art-66-57/par-1 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57/par-1 · https://japanlaw.org/l/323AC0000000025/art-66-57/par-1 A high-speed trader must conduct its business in such a manner that the state of its business operations does not fall under any of the following items: Ministry of Justice translation — Japanese Law Translation Database System **一** 高速取引行為に係る電子情報処理組織その他の設備について、電子情報処理組織の異常な動作その他の事由により金融商品市場の機能の十全な発揮に支障を及ぼさないようにするための管理が十分でないと認められる状況にあること。 art-66-57/par-1/item-1 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57/par-1/item-1 · https://japanlaw.org/l/323AC0000000025/art-66-57/par-1/item-1 the electronic data processing system or any other equipment related to high-speed trading is in such a state that its management for preventing grounds such as abnormal operation of the electronic data processing system from compromising the full utilization of the functions of the financial instruments market is found to be insufficient; or Ministry of Justice translation — Japanese Law Translation Database System **二** 前号に掲げるもののほか、業務の運営の状況が公益に反し、又は投資者の保護に支障を生ずるおそれがあるものとして内閣府令で定める状況にあること。 art-66-57/par-1/item-2 · https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57/par-1/item-2 · https://japanlaw.org/l/323AC0000000025/art-66-57/par-1/item-2 beyond what is set forth in the preceding item, the business operations are in a state specified by Cabinet Office Order as one that is contrary to the public interest or that is likely to compromise the protection of investors. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-66-57/par-1/item-2: 前号 → 金融商品取引法 第六十六条の五十七第一項第一号 (Article 66-57, paragraph (1), item (i)), art-66-57/par-1/item-1 — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57/par-1/item-1 · https://japanlaw.org/l/323AC0000000025/art-66-57/par-1/item-1 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 金融商品取引法 第六十六条の五十七第一項第二号（業務の運営に関する規制） — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-57/par-1/item-2 · https://japanlaw.org/l/323AC0000000025/art-66-57/par-1/item-2 - 金融商品取引法 第六十六条の七十第一項（内閣府令への委任） — https://japanlaw.org/ja/financial-instruments-and-exchange-act/art-66-70/par-1 · https://japanlaw.org/l/323AC0000000025/art-66-70/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