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Code of Criminal Procedure

刑事訴訟法(けいじそしょうほう)

Amended by

Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc.

民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

The whole text as amended, on e-Gov

The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The exact day is not fixed yet.

The same amending law also changes

23 provisions changed · 2 provisions in the supplementary provisions

Each provision the amendment changes, as it will read: the words it adds are underlined, and a bar marks where it removes words. “Show removed words” strikes those through in place; “Before and after” sets the two wordings side by side. A provision that only moves to another number says the number it had. The Japanese is the law; the icon beside each English column says whose English it is.

How the changes are shown

Underlined: words the amendment adds. A bar: where it removes words.Underlined: words the amendment adds. Struck through: the words it removes.Underlined: words the amendment adds. Struck through: the words it removes.

Article 20第二十条

2 reworded
Read it in the amended law
  • ChangedArticle 20, paragraph (1), item (iii)

    the judge is a legal representative, supervisor of a guardian, curator, supervisor of a curator of a minor, assistant, or supervisor of an assistant for the defendant or the victim;

    裁判官が被告人又は被害者の法定代理人、後見監督人、保佐人、保佐未成年後見監督人、補助人又は補助監督人であるとき。

  • ChangedArticle 20, paragraph (1), item (vii)

    with regard to the case, the judge has participated in a ruling prescribed in Article 266, item (ii), summary order or the decision of the lower court, or in the original judgment of a case which was sent back or transferred pursuant to the provisions of Articles 398 to 400, 412, or 413, or in the examination of evidence which formed the basis of such decisions; provided, however, that this does not apply when said judge participated as a delegated judge.

    裁判官が事件について第二百六十六条第二号の決定、略式命令、前審の裁判、第三百九十八条乃至から第四百条まで、第四百十二条若しくは第四百十三条の規定により差し戻し、若しくは移送された場合における原判決又はこれらの裁判の基礎となつた取調べに関与したとき。ただし、受託裁判官として関与した場合は、この限りでない。

Article 30第三十条

Read it in the amended law
  • ChangedArticle 30, paragraph (2)

    The legal representative, curatorassistant, spouse, lineal relative or sibling of the defendant or suspect may independently appoint defense counsel.

    被告人又は被疑者の法定代理人、保佐補助人、配偶者、直系の親族及び兄弟姉妹は、独立して弁護人を選任することができる。

Article 42第四十二条

2 reworded
Read it in the amended law
  • ChangedArticle 42, paragraph (1)

    The legal representative, curatorassistant, spouse, lineal relative or sibling of the defendant may become an authorized assistant at any time.

    被告人の法定代理人、保佐補助人、配偶者、直系の親族及び兄弟姉妹は、何時でも補佐人となることができる。

  • ChangedArticle 42, paragraph (3)

    An authorized assistant may undertake a procedural action that the defendant is able to undertake insofar as it is not contrary to the intent expressed by the defendant; provided however, that this does not apply when otherwise provided for in this Code.

    補佐人は、被告人の明示した意思に反しない限り、被告人がすることのできる訴訟行為をすることができる。但ただし、この法律に特別の定めのある場合は、この限りでない。

Article 79第七十九条

Read it in the amended law
  • ChangedArticle 79, paragraph (1)

    If the defendant has been detained, the defense counsel must be notified immediately. When no defense counsel has been appointed for the defendant, notification must be given to the person who has been specified by the defendant from among the legal representative, curatorassistant, spouse, lineal relatives and siblings of the defendant.

    被告人を勾留したときは、直ちに弁護人にその旨を通知しなければならない。被告人に弁護人がないときは、被告人の法定代理人、保佐補助人、配偶者、直系の親族及び兄弟姉妹のうち被告人の指定する者一人にその旨を通知しなければならない。

Article 82第八十二条

2 reworded
Read it in the amended law
  • ChangedArticle 82, paragraph (2)

    The defense counsel, legal representative, curatorassistant, spouse, lineal relative, sibling or other interested party of the defendant under detention may also request the disclosure prescribed in the preceding paragraph.

    勾留されている被告人の弁護人、法定代理人、保佐補助人、配偶者、直系の親族、兄弟姉妹その他利害関係人も、前項の請求をすることができる。

  • ChangedArticle 82, paragraph (3)

    The requests prescribed in the preceding two paragraphs lose their effect when bail is granted or execution of detention is suspended or rescinded or when the detention warrant becomes ineffective.

    前二項の請求は、保釈、勾留の執行停止若しくは勾留の取消しがあつたとき、又は勾留状の効力が消滅したときは、その効力を失う。

Article 87第八十七条

Read it in the amended law
  • ChangedArticle 87, paragraph (1)

    When the grounds for or necessity of detention no longer exist, the court must, upon the request of a public prosecutor, the defendant under detention, the defense counsel of the defendant, legal representative, curatorassistant, spouse, lineal relative or sibling or ex officio, make a ruling to rescind the detention.

    勾留の理由又は勾留の必要がなくなつたときは、裁判所は、検察官、勾留されている被告人若しくはその弁護人、法定代理人、保佐補助人、配偶者、直系の親族若しくは兄弟姉妹の請求により、又は職権で、決定を以てで、勾留を取り消さなければならない。

Article 88第八十八条

Read it in the amended law
  • ChangedArticle 88, paragraph (1)

    The defendant under detention or the defense counsel of the defendant, legal representative, curatorassistant, spouse, lineal relative or sibling may request bail.

    勾留されている被告人又はその弁護人、法定代理人、保佐補助人、配偶者、直系の親族若しくは兄弟姉妹は、保釈の請求をすることができる。

Article 147第百四十七条

3 reworded
Read it in the amended law
  • ChangedArticle 147, paragraph (1)

    Any person may refuse to give testimony when there is a concern that such testimony may result in criminal prosecution or conviction against:

    何人も、左次に掲げる者が刑事訴追を受け、又は有罪判決を受ける虞おそれのある証言を拒むことができる。

  • ChangedArticle 147, paragraph (1), item (ii)

    said person's guardian, the of a minor, supervisor of said person's guardian or said person's curatora guardian of a minor, specified assistant or supervisor of an assistant (limited to one pertaining to a specified assistant; the same applies in the following item);

    自己の未成年後見人、未成年後見監督人又は保佐人、特定補助人又は補助監督人(特定補助人に係るものに限る。次号において同じ。)

  • ChangedArticle 147, paragraph (1), item (iii)

    a person for whom said person is a guardian of a minor, supervisor of a guardian orof a curatorminor, specified assistant or supervisor of an assistant.

    自己を未成年後見人、未成年後見監督人又は保佐、特定補助人又は補助監督人とする者

Article 342-3第三百四十二条の三

Read it in the amended law
  • ChangedArticle 342-3, paragraph (1)

    A person who has received the pronouncement of a judgment to impose imprisonment or a greater punishment, or the defense counsel, legal representative, curatorassistant, spouse, lineal relative or sibling of that person, may file a request for the permission under the preceding Article.

    拘禁刑以上の刑に処する判決の宣告を受けた者又はその弁護人、法定代理人、保佐補助人、配偶者、直系の親族若しくは兄弟姉妹は、前条の許可の請求をすることができる。

Article 345-4第三百四十五条の四

Read it in the amended law
  • ChangedArticle 345-4, paragraph (1)

    When the court finds that the grounds for the ruling under Article 345-2 no longer exist, it must make a ruling to rescind that ruling, upon the request of the public prosecutor, the person who has received that ruling, or that person's defense counsel, legal representative, curatorassistant, spouse, lineal relative or sibling, or ex officio.

    裁判所は、第三百四十五条の二の規定による決定の理由がなくなつたと認めるときは、検察官、当該決定を受けた者若しくはその弁護人、法定代理人、保佐補助人、配偶者、直系の親族若しくは兄弟姉妹の請求により、又は職権で、決定で、当該決定を取り消さなければならない。

Article 353第三百五十三条

Read it in the amended law
  • ChangedArticle 353, paragraph (1)

    A statutory agent or a curatorlegal representative or assistant of the defendant may appeal for the defendant.

    被告人の法定代理人又は保佐補助人は、被告人のため上訴をすることができる。

Article 439第四百三十九条

5 reworded
Read it in the amended law
  • ChangedArticle 439, paragraph (1)

    A retrial may be requested by:

    再審の請求は、左の次に掲げる者がこれをすることができる。

  • ChangedArticle 439, paragraph (1), item (ii)

    The person who has been found guilty;

    有罪の言渡しを受けた者

  • ChangedArticle 439, paragraph (1), item (iii)

    The legal representative or curatorassistant of the person who has been found guilty; or

    有罪の言渡しを受けた者の法定代理人及び保佐補助人

  • ChangedArticle 439, paragraph (1), item (iv)

    The spouse, lineal relative, brother, or sister or sibling of the person who has been found guilty, in the event that said person is deceased or is in a state of insanity.

    有罪の言渡しを受けた者が死亡し、又は心神喪失の状態に在ある場合には、その配偶者、直系の親族及び兄弟姉妹

  • ChangedArticle 439, paragraph (2)

    Only the public prosecutor may file a request for retrial on the grounds prescribed in item (vii) of Article 435 or, item (ii) of paragraph (1) of Article 436(vii) or Article 436, paragraph (1), item (ii) when the person who was found guilty induces another to commit such crime.

    第四百三十五条第七号又は第四百三十六条第一項第二号に規定する事由による再審の請求は、有罪の言渡しを受けた者がその罪を犯させた場合には、検察官でなければこれをすることができない。

Article 494-8第四百九十四条の八

Read it in the amended law
  • ChangedArticle 494-8, paragraph (1)

    When a person who has received a ruling under the provisions of Article 345-2 or Article 494-3 has been confined, notification to that effect must be given to one person specified by the person who received the ruling from among the person's legal representative, curatorassistant, spouse, lineal relatives and siblings.

    第三百四十五条の二又は第四百九十四条の三の規定による決定を受けた者を拘置したときは、その法定代理人、保佐補助人、配偶者、直系の親族及び兄弟姉妹のうちその決定を受けた者の指定する者一人にその旨を通知しなければならない。

Article 502第五百二条

Read it in the amended law
  • ChangedArticle 502, paragraph (1)

    A person subject to the execution of a decision, or his/her legal representative or curatorassistant may file an objection with the court that rendered said decision when he/she finds a measure taken by the public prosecutor in connection with the execution (excluding one under the provisions of the following Chapter) to be inappropriate.

    裁判の執行を受ける者又はその法定代理人若しくは保佐補助人は、執行に関し検察官のした処分(次章の規定によるものを除く。)を不当とするときは、言渡しをした裁判所に異議の申立てをすることができる。

2 changes in the supplementary provisions (附則)

Supplementary Provisions, Article 2 · Transitional Measures Concerning Adult Wards, etc.附則第二条(成年被後見人等に関する経過措置)

Read it in the amended law
  • AddedSupplementary Provisions, Article 2, paragraph (1)

    With regard to an adult ward, a guardian of an adult and a supervisor of a guardian of an adult prescribed in Article 2, paragraph (1) of the Supplementary Provisions of the Civil Code, etc. Amendment Act with respect to whom the provisions then in force continue to govern pursuant to the provisions of that paragraph, and a person under curatorship, a curator and a supervisor of a curator prescribed in Article 3, paragraph (1) of the Supplementary Provisions of the Civil Code, etc. Amendment Act with respect to whom the provisions then in force continue to govern pursuant to the provisions of that paragraph, the provisions then in force continue to govern, notwithstanding the provisions of the respective Acts as amended by this Act (including where those provisions are applied mutatis mutandis pursuant to other Acts).

    民法等改正法附則第二条第一項の規定によりなお従前の例によることとされる同項に規定する成年被後見人、成年後見人及び成年後見監督人並びに民法等改正法附則第三条第一項の規定によりなお従前の例によることとされる同項に規定する被保佐人、保佐人及び保佐監督人については、この法律による改正後のそれぞれの法律の規定(これらの規定を他の法律において準用する場合を含む。)にかかわらず、なお従前の例による。

Supplementary Provisions, Article 4 · Transitional Measures Concerning Penal Provisions附則第四条(罰則に関する経過措置)

Read it in the amended law
  • AddedSupplementary Provisions, Article 4, paragraph (1)

    With regard to the application of penal provisions to acts committed before this Act comes into effect and to acts committed after this Act comes into effect in the case where the provisions then in force continue to govern pursuant to the provisions of Article 2, paragraph (1) or Article 3, paragraph (1) of the Supplementary Provisions of the Civil Code, etc. Amendment Act, the provisions then in force continue to govern.

    この法律の施行前にした行為及び民法等改正法附則第二条第一項又は第三条第一項の規定によりなお従前の例によることとされる場合におけるこの法律の施行後にした行為に対する罰則の適用については、なお従前の例による。