# 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 — 第百四条 (Article 104)

This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/art-104. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp.

- 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: 第百四条 (Article 104) — address `art-104`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/art-104
- 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.

---

### 第百四条
<sup>art-104 · https://japanlaw.org/ja/antimonopoly-act/art-104</sup>

**第一項**  臨検、捜索、差押え又は記録命令付差押えは、許可状に夜間でも執行することができる旨の記載がなければ、日没から日の出までの間には、してはならない。
<sup>art-104/par-1 · https://japanlaw.org/ja/antimonopoly-act/art-104/par-1</sup>
No on-site inspection, search, seizure, or seizure with ordering records may be conducted during the period from sunset to sunrise unless it is specified on the warrant that the warrant may be executed at night.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  日没前に開始した臨検、捜索、差押え又は記録命令付差押えは、必要があると認めるときは、日没後まで継続することができる。
<sup>art-104/par-2 · https://japanlaw.org/ja/antimonopoly-act/art-104/par-2</sup>
If it is considered to be necessary, an on-site inspection, search, seizure, or seizure with ordering records that was initiated before sunset may be continued beyond sunset.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## 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
- 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