# 刑事訴訟法 / Code of Criminal Procedure — 第百九十七条 (Article 197) This is the Markdown twin of https://japanlaw.org/ja/code-of-criminal-procedure/art-197. 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: 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: 第百九十七条 (Article 197) — address `art-197` - Text in force since: 2026-10-20 - URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/art-197 - 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. --- ### 第百九十七条 art-197 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197 **第一項** 捜査については、その目的を達するため必要な取調べをすることができる。ただし、強制の処分は、この法律に特別の定めのある場合でなければ、これをすることができない。 art-197/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-1 With regard to investigations, examination necessary to achieve the objective of said investigation may be conducted; provided however, that compulsory dispositions may not be applied unless special provisions have been established in this Code. machine translation, not official **第二項** 捜査については、公務所又は公私の団体に照会して必要な事項の報告を求めることができる。 art-197/par-2 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-2 Public offices or public or private organizations may be asked to make a report on necessary particulars relating to the investigation. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 検察官、検察事務官又は司法警察員は、差押えをし、又は電磁的記録提供命令により電磁的記録を提供させるため必要があるときは、電気通信を行うための設備を他人の通信の用に供する事業を営む者又は自己の業務のために不特定若しくは多数の者の通信を媒介することのできる電気通信を行うための設備を設置している者に対し、その業務上記録している電気通信の送信元、送信先、通信日時その他の通信履歴の電磁的記録のうち必要なものを特定し、三十日を超えない期間を定めて、これを消去しないよう、書面又は電磁的記録により求めることができる。この場合において、当該求めに係る電磁的記録について差押えをし、又は電磁的記録提供命令により当該電磁的記録を提供させる必要がないと認めるに至つたときは、当該求めを取り消さなければならない。 art-197/par-3 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-3 When a public prosecutor, a public prosecutor's assistant officer or a judicial police officer finds it necessary to execute a seizure or to have electronic or magnetic records provided under an order to provide electronic or magnetic records, said person may specify the necessary electronic or magnetic records out of the electronic or magnetic records pertaining to the transmission source, the transmission destination, the date and time of the transmission and other transmission history of electronic communications which are recorded in the course of business, may determine a time period not exceeding 30 days, and may request in writing or by electronic or magnetic record a person engaged in the business of providing facilities for conducting electronic communications for use in the communications of other persons or a person establishing facilities for conducting electronic communications capable of acting as an intermediary for the transmissions of many, unspecified persons for the purpose of said person's own business not to erase said history. In this case, if it is deemed no longer necessary to execute the seizure or to have the electronic or magnetic records provided under an order to provide electronic or magnetic records with regard to the electronic or magnetic records pertaining to the request, said person must revoke such request. machine translation, not official **第四項** 前項の規定により消去しないよう求める期間については、特に必要があるときは、三十日を超えない範囲内で延長することができる。ただし、消去しないよう求める期間は、通じて六十日を超えることができない。 art-197/par-4 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-4 The time period of which the request that the history not be erased pursuant to the provisions of the preceding paragraph applies may be extended within limits not exceeding 30 days when it is particularly necessary; provided however, that the total time period of which the request that the history not be erased applies may not exceed 60 days. Ministry of Justice translation — Japanese Law Translation Database System **第五項** 第二項又は第三項の規定による求めを行う場合において、必要があるときは、みだりにこれらに関する事項を漏らさないよう求めることができる。 art-197/par-5 · https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-5 When a request pursuant to the provisions of paragraph (2) or paragraph (3) is to be made, if it is necessary, a request may be made that the particulars relating to such request not be divulged without reason. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-197/par-4: 前項 → 刑事訴訟法 第百九十七条第三項 (Article 197, paragraph (3)), art-197/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-3 - art-197/par-5: 第二項 → 刑事訴訟法 第百九十七条第二項 (Article 197, paragraph (2)), art-197/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-2 - art-197/par-5: 第三項 → 刑事訴訟法 第百九十七条第三項 (Article 197, paragraph (3)), art-197/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-3 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 刑事訴訟法 第百九十七条第四項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-4 - 刑事訴訟法 第百九十七条第五項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-197/par-5 --- ## Sources - 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 — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch code-of-criminal-procedure-20261106T054114-005, translated 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