# 刑事訴訟法 / Code of Criminal Procedure — 第百条 (Article 100)

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- Law: 刑事訴訟法 (Code of Criminal Procedure), 昭和二十三年法律第百三十一号
- English title "Code of Criminal Procedure": 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: 第百条 (Article 100) — address `art-100`
- Text in force since: 2026-10-20
- URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/art-100
- e-Gov law ID: 323AC0000000131 — 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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### 第百条
<sup>art-100 · https://japanlaw.org/ja/code-of-criminal-procedure/art-100</sup>

  **第一項**  裁判所は、被告人から発し、又は被告人に対して発した郵便物、信書便物又は電信に関する書類で法令の規定に基づき通信事務を取り扱う者が保管し、又は所持するものを差し押え、又は提出させることができる。
  <sup>art-100/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-1</sup>
  The court may seize or order the submission of postal items, items of correspondence or documents sent by telegraph sent to or from the defendant which, based on the provisions of laws and regulations are held in the custody of or are in the possession of a person who handles communications.
  <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "The court may seize or order the submission of postal items, items of correspondence or documents sent by telegraph sent to or from the accused which, based on the provisions of laws and regulations are held in the custody of or are in the possession of a person who handles communications." — https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb</sup>

  **第二項**  前項の規定に該当しない郵便物、信書便物又は電信に関する書類で法令の規定に基づき通信事務を取り扱う者が保管し、又は所持するものは、被告事件に関係があると認めるに足りる状況のあるものに限り、これを差し押え、又は提出させることができる。
  <sup>art-100/par-2 · https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-2</sup>
  The postal items, items of correspondence or documents sent by telegraph which, based on the provisions of laws and regulations are held in the custody of or are in the possession of a person who handles communications, but are not subject to the preceding paragraph, may be seized or their submission ordered only when they can be reasonably supposed to be related to the case charged to the court.
  <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "The postal items, items of correspondence or documents sent by telegraph sent to or from the accused which, based on the provisions of laws and regulations are held in the custody of or are in the possession of a person who handles communications, but are not subject to the preceding paragraph, may be seized or their submission ordered only when they can be reasonably supposed to be related to the case charged to the court." — https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb</sup>

  **第三項**  前二項の規定による処分をしたときは、その旨を発信人又は受信人に通知しなければならない。但し、通知によつて審理が妨げられる虞がある場合は、この限りでない。
  <sup>art-100/par-3 · https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-3</sup>
  When the court has made the disposition in the preceding two paragraphs, the sender or recipient must be so notified; provided however, that this does not apply when there is a concern that such notification would obstruct court proceedings.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-100/par-2: 前項 → 刑事訴訟法 第百条第一項 (Article 100, paragraph (1)), art-100/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-1
- art-100/par-3: 前二項 → 刑事訴訟法 第百条第一項 (Article 100, paragraph (1)), art-100/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-1
- art-100/par-3: 前二項 → 刑事訴訟法 第百条第二項 (Article 100, paragraph (2)), art-100/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-2

## Cited by

6 provisions cite this one. No official source publishes this direction.

- 刑事訴訟法 第百条第二項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-2
- 刑事訴訟法 第百条第三項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-100/par-3
- 刑事訴訟法 第百二十五条第四項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-125/par-4
- 刑事訴訟法 第二百二十二条第一項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-222/par-1
- 刑事訴訟法 第五百十三条第一項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-513/par-1
- 刑事訴訟法 第五百十三条第七項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-513/par-7

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of the Code of Criminal Procedure, written 2026-11-06
- e-Gov 法令検索, Digital Agency (デジタル庁) — 刑事訴訟法 — the text in force from 2026-10-20 (https://laws.e-gov.go.jp/law/323AC0000000131/20261020_508AC0000000067), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure (刑事訴訟法), Article 100, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure (刑事訴訟法), Article 100, paragraph (2) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- This site's parser, version 225 — 刑事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-11-06
