# 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 — 第百九条 (Article 109)

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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: 第百九条 (Article 109) — address `art-109`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/art-109
- 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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### 第百九条
<sup>art-109 · https://japanlaw.org/en/antimonopoly-act/art-109</sup>

**第一項**  委員会職員は、人の住居又は人の看守する邸宅若しくは建造物その他の場所で臨検、捜索、差押え又は記録命令付差押えをするときは、その所有者若しくは管理者（これらの者の代表者、代理人その他これらの者に代わるべき者を含む。）又はこれらの者の使用人若しくは同居の親族で成年に達した者を立ち会わせなければならない。
<sup>art-109/par-1 · https://japanlaw.org/en/antimonopoly-act/art-109/par-1</sup>
When conducting an on-site inspection, search, seizure, or seizure with ordering records of a person's residence, or a residence, building, or other site guarded by a person, a Japan Fair Trade Commission staff member must have the owner or superintendent (including their representative or agent or other person who should act on their behalf), or their employee or cohabitating relative who has attained the age of majority witness it.
<sup>machine translation, not official</sup>

**第二項**  前項の場合において、同項に規定する者を立ち会わせることができないときは、その隣人で成年に達した者又はその地の警察官若しくは地方公共団体の職員を立ち会わせなければならない。
<sup>art-109/par-2 · https://japanlaw.org/en/antimonopoly-act/art-109/par-2</sup>
If it is not possible, in cases under the preceding paragraph, to have a person provided in that paragraph witness the on-site inspection, search, or seizure, a Japan Fair Trade Commission staff member must have a neighbor who has attained the age of majority or a local police official or local government official witness it.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  女子の身体について捜索するときは、成年の女子を立ち会わせなければならない。ただし、急速を要する場合は、この限りでない。
<sup>art-109/par-3 · https://japanlaw.org/en/antimonopoly-act/art-109/par-3</sup>
Any body-search of a female must be conducted in the presence of a female witness over the age of majority provided, however, that this does not apply to urgent cases.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-109/par-2: 前項 → 私的独占の禁止及び公正取引の確保に関する法律 第百九条第一項 (Article 109, paragraph (1)), art-109/par-1 — https://japanlaw.org/en/antimonopoly-act/art-109/par-1

## Cited by

1 provision cites 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 第百九条第二項 — https://japanlaw.org/en/antimonopoly-act/art-109/par-2

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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-20261106T060022-004, 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
