# 金融商品取引法 / Financial Instruments and Exchange Act — 第十二条 (Supplementary Provisions, Article 12)

- 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: 第十二条 (Supplementary Provisions, Article 12)（会社関係者及び公開買付者等関係者の禁止行為に関する経過措置） — address `suppl-4041-73/art-12`
- Text in force since: 2026-08-12
- URL (the page that opens at this provision): https://japanlaw.org/en/financial-instruments-and-exchange-act/suppl-4041-73/art-12
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000025/suppl-4041-73/art-12
- 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.

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### 第十二条（会社関係者及び公開買付者等関係者の禁止行為に関する経過措置） — Transitional Measures Concerning Acts Prohibited for Persons Affiliated with the Company and Persons Affiliated with the Tender Offeror, etc.
<sup>caption: machine translation, not official</sup>
<sup>suppl-4041-73/art-12 · https://japanlaw.org/en/financial-instruments-and-exchange-act/suppl-4041-73/art-12 · https://japanlaw.org/l/323AC0000000025/suppl-4041-73/art-12</sup>

**第一項**  新証券取引法第百六十六条の規定は、施行日以後に生じた同条第一項に規定する重要事実（同条第二項第一号に規定する上場会社等の業務執行を決定する機関がした同号に掲げる事項を行わない旨の決定にあっては当該事項を行うことについての当該機関の決定が施行日以後に行われた場合に係るものに限るものとし、同項第三号に掲げる事実にあっては施行日以後に同条第四項の公表がされた同条第二項第三号に規定する直近の予想値又は前事業年度の実績値に比較して生じたものに限る。）を知った者又はこれらの事実の伝達を受けた者の同条の売買等について適用し、施行日前に生じた旧証券取引法第百九十条の二第一項に規定する重要事実（同条第二項第一号に規定する会社の業務執行を決定する機関がした同号に掲げる事項を行わない旨の決定にあっては当該事項を行うことについての当該機関の決定が施行日前に行われ、かつ、当該事項を行わない旨の決定が施行日以後に行われた場合に係るものを含むものとし、同項第三号に掲げる事実にあっては施行日前に同条第四項の公表がされた同条第二項第三号に規定する直近の予想値又は前事業年度の実績値に比較して施行日以後に生じたものを含む。）を知った者又はこれらの事実の伝達を受けた者の同条の売買等については、なお従前の例による。
<sup>suppl-4041-73/art-12/par-1 · https://japanlaw.org/en/financial-instruments-and-exchange-act/suppl-4041-73/art-12/par-1 · https://japanlaw.org/l/323AC0000000025/suppl-4041-73/art-12/par-1</sup>
The provisions of Article 166 of the New Securities and Exchange Act apply to the purchase and sale, etc. referred to in that Article by a person who has come to know a material fact prescribed in paragraph (1) of that Article that arose on or after the effective date (in the case of a decision, made by the organ that decides on the execution of the business of the listed company, etc. prescribed in paragraph (2), item (i) of that Article, not to carry out a matter listed in that item, limited to a case where the organ's decision to carry out that matter was made on or after the effective date; and in the case of a fact listed in item (iii) of that paragraph, limited to one that arose in comparison with the last forecast or the actual figure for the preceding business year prescribed in paragraph (2), item (iii) of that Article, publicly announced under paragraph (4) of that Article on or after the effective date) or who has received information on those facts, and the provisions then in force continue to govern the purchase and sale, etc. referred to in Article 190-2 of the Former Securities and Exchange Act by a person who has come to know a material fact prescribed in paragraph (1) of that Article that arose before the effective date (including, in the case of a decision, made by the organ that decides on the execution of the business of the company prescribed in paragraph (2), item (i) of that Article, not to carry out a matter listed in that item, a case where the organ's decision to carry out that matter was made before the effective date and the decision not to carry out that matter was made on or after the effective date; and including, in the case of a fact listed in item (iii) of that paragraph, one that arose on or after the effective date in comparison with the last forecast or the actual figure for the preceding business year prescribed in paragraph (2), item (iii) of that Article, publicly announced under paragraph (4) of that Article before the effective date) or who has received information on those facts.
<sup>machine translation, not official</sup>

**第二項**  新証券取引法第百六十七条の規定は、施行日以後に生じた同条第一項に規定する公開買付け等の実施に関する事実若しくは公開買付け等の中止に関する事実（同項に規定する公開買付け等の中止に関する事実にあっては、同項に規定する公開買付け等を行うことについての同条第二項に規定する公開買付者等の決定が施行日以後に行われた場合に係るものに限る。）を知った者又はこれらの事実の伝達を受けた者の同条の買付け等又は売付け等について適用し、施行日前に生じた旧証券取引法第百九十条の三第一項に規定する公開買付け等の実施に関する事実若しくは公開買付け等の中止に関する事実（同項に規定する公開買付け等の中止に関する事実にあっては、同項に規定する公開買付け等を行うことについての同条第二項に規定する公開買付者等の決定が施行日前に行われた場合で施行日以後の同条第一項に規定する公開買付け等の中止に係るものを含む。）を知った者又はこれらの事実の伝達を受けた者の同条の買付け等又は売付け等については、なお従前の例による。
<sup>suppl-4041-73/art-12/par-2 · https://japanlaw.org/en/financial-instruments-and-exchange-act/suppl-4041-73/art-12/par-2 · https://japanlaw.org/l/323AC0000000025/suppl-4041-73/art-12/par-2</sup>
The provisions of Article 167 of the New Securities and Exchange Act apply to the purchase, etc. or sale, etc. referred to in that Article by a person who has come to know a fact concerning the launch of a tender offer, etc. or a fact concerning the suspension of a tender offer, etc. prescribed in paragraph (1) of that Article that arose on or after the effective date (in the case of a fact concerning the suspension of a tender offer, etc. prescribed in that paragraph, limited to a case where the decision of the tender offeror, etc. prescribed in paragraph (2) of that Article to conduct the tender offer, etc. prescribed in paragraph (1) of that Article was made on or after the effective date) or who has received information on those facts, and the provisions then in force continue to govern the purchase, etc. or sale, etc. referred to in Article 190-3 of the Former Securities and Exchange Act by a person who has come to know a fact concerning the launch of a tender offer, etc. or a fact concerning the suspension of a tender offer, etc. prescribed in paragraph (1) of that Article that arose before the effective date (in the case of a fact concerning the suspension of a tender offer, etc. prescribed in that paragraph, including a case where the decision of the tender offeror, etc. prescribed in paragraph (2) of that Article to conduct the tender offer, etc. prescribed in paragraph (1) of that Article was made before the effective date and which relates to the suspension of the tender offer, etc. prescribed in paragraph (1) of that Article on or after the effective date) or who has received information on those facts.
<sup>machine translation, not official</sup>

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## 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
- claude-sonnet-5-5 — Machine translation, batch financial-instruments-and-exchange-act-20261023T035921-025, translated 2026-10-23
- This site's parser, version 212 — 金融商品取引法 — structure, counts, cross-references and defined terms, computed 2026-10-22
