# 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 — 第十一条 (Supplementary Provisions, Article 11)

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- 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: 第十一条 (Supplementary Provisions, Article 11)（合併、分割又は事業等の譲受けに関する経過措置） — address `suppl-4211-51/art-11`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11
- 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.

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### 第十一条（合併、分割又は事業等の譲受けに関する経過措置） — Transitional Measures Concerning Mergers, Splits, or Acceptance of Assignment of Business, etc.
<sup>caption: machine translation, not official</sup>
<sup>suppl-4211-51/art-11 · https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11</sup>

**第一項**  旧独占禁止法第十五条第二項（同条第四項において読み替えて準用する場合を含む。）、第十五条の二第二項若しくは第三項（これらの規定を同条第六項において読み替えて準用する場合を含む。）又は第十六条第二項（同条第五項において読み替えて準用する場合を含む。）の規定によりされた届出であって、この法律の施行の際旧独占禁止法第十五条第五項本文（旧独占禁止法第十五条の二第七項又は第十六条第六項において読み替えて準用する場合を含む。）に規定する三十日の期間又は旧独占禁止法第十五条第五項ただし書（旧独占禁止法第十五条の二第七項又は第十六条第六項において読み替えて準用する場合を含む。）の規定により短縮された期間を経過していないものについては、なお従前の例による。
<sup>suppl-4211-51/art-11/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11/par-1</sup>
With regard to a notification made pursuant to the provisions of Article 15, paragraph (2) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15, paragraph (4) of the Former Antimonopoly Act), Article 15-2, paragraph (2) or (3) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15-2, paragraph (6) of the Former Antimonopoly Act), or Article 16, paragraph (2) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 16, paragraph (5) of the Former Antimonopoly Act), for which, at the time this Act comes into effect, neither the 30-day period prescribed in the main clause of Article 15, paragraph (5) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15-2, paragraph (7) or Article 16, paragraph (6) of the Former Antimonopoly Act) nor the period shortened pursuant to the provisions of the proviso to Article 15, paragraph (5) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15-2, paragraph (7) or Article 16, paragraph (6) of the Former Antimonopoly Act) has elapsed, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第二項**  施行日から起算して三十日を経過するまでに合併、共同新設分割、吸収分割又は事業等の譲受け（以下この項において「合併等」という。）をしようとする場合において、この法律の施行の際現に旧独占禁止法第十五条第二項（同条第四項において読み替えて準用する場合を含む。）、第十五条の二第二項若しくは第三項（これらの規定を同条第六項において読み替えて準用する場合を含む。）又は第十六条第二項（同条第五項において読み替えて準用する場合を含む。）の規定により当該合併等に関する計画を届け出なければならないとされていなかったときについては、なお従前の例による。
<sup>suppl-4211-51/art-11/par-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11/par-2</sup>
In the case where a merger, joint incorporation-type split, absorption-type split, or acceptance of assignment of business, etc. (hereinafter in this paragraph referred to as "merger, etc.") is to be carried out before 30 days have elapsed from the Effective Date, and at the time this Act comes into effect there was actually no requirement to notify a plan for that merger, etc. pursuant to the provisions of Article 15, paragraph (2) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15, paragraph (4) of the Former Antimonopoly Act), Article 15-2, paragraph (2) or (3) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 15-2, paragraph (6) of the Former Antimonopoly Act), or Article 16, paragraph (2) of the Former Antimonopoly Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 16, paragraph (5) of the Former Antimonopoly Act), the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4211-51/art-11/par-2: この項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第十一条第二項 (Supplementary Provisions, Article 11, paragraph (2)), suppl-4211-51/art-11/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11/par-2

## Cited by

3 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 附則第十一条第二項（合併、分割又は事業等の譲受けに関する経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-11/par-2
- 私的独占の禁止及び公正取引の確保に関する法律 附則第十八条第一項（罰則に関する経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-18/par-1
- 私的独占の禁止及び公正取引の確保に関する法律 附則第十九条第一項（政令への委任） — https://japanlaw.org/en/antimonopoly-act/suppl-4211-51/art-19/par-1

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## 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
- claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-014, translated 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
