# 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 — 第四条 (Supplementary Provisions, Article 4)

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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: 第四条 (Supplementary Provisions, Article 4) — address `suppl-4101-81/art-4`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4
- 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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### 第四条
<sup>suppl-4101-81/art-4 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4</sup>

**第一項**  附則第一条ただし書に規定する規定の施行前にした改正前の私的独占の禁止及び公正取引の確保に関する法律第十三条第三項に規定する役員の兼任又は同法第十四条第二項に規定する会社以外の者による株式所有に係る届出又は報告書の提出については、なお従前の例による。
<sup>suppl-4101-81/art-4/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4/par-1</sup>
With regard to a notification or the submission of a report made before the enforcement of the provisions prescribed in the proviso to Article 1 of the Supplementary Provisions pertaining to interlocking officers prescribed in Article 13, paragraph (3) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment, or to shareholding by a person other than a company prescribed in Article 14, paragraph (2) of that Act, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4101-81/art-4/par-1: 附則第一条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第一条 (Supplementary Provisions, Article 1), suppl-4101-81/art-1 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1

## 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 附則第一条第一項（施行期日） — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1/par-1
- 私的独占の禁止及び公正取引の確保に関する法律 附則第七条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7/par-1
- 私的独占の禁止及び公正取引の確保に関する法律 附則第八条第一項（政令への委任） — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-8/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-20261106T060022-009, 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
