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Juveniles Act

少年法(しょうねんほう)

Chapter II Juvenile Protection Cases (Articles 6-6 to 17)

The law as Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

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Article 6-6第六条の六

Referral by Police Officer(警察官の送致等)
2 changes in this article
Article 6-6, paragraph (1)(警察官の送致等)(Referral by Police Officer)Changed

A police officer must refer the case, together with the documents and electronic or magnetic records on the investigation, to the director of a child guidance center, if the case falls under any of the following items as a result of the investigation:

警察官は、調査の結果、次の各号のいずれかに該当するときは、当該調査に係る書類ととも及び電磁的記録と共に事件を児童相談所長に送致しなければならない。

Article 6-6, paragraph (1), item (i)(警察官の送致等)

a case concerning a juvenile as prescribed in Article 3, paragraph (1), item (ii), in which they are considered to have committed a violation of criminal laws and regulations concerning the following crimes:

第三条第一項第二号に掲げる少年に係る事件について、その少年の行為が次に掲げる罪に係る刑罰法令に触れるものであると思料するとき。

Article 6-6, paragraph (1), item (i), (a)(警察官の送致等)

an intentional criminal act which caused the death of a victim

故意の犯罪行為により被害者を死亡させた罪

Article 6-6, paragraph (1), item (i), (b)(警察官の送致等)

beyond what is stated in item (a), any crime punishable by death penalty, or imprisonment for life or imprisonment with a minimum term of two years or more

イに掲げるもののほか、死刑又は無期若しくは短期二年以上の拘禁刑に当たる罪

Article 6-6, paragraph (1), item (ii)(警察官の送致等)

any case, in addition to what is prescribed in the preceding item, when it is considered appropriate to refer a case involving a juvenile as prescribed in Article 3, paragraph (1), item (ii), to a family court for trial and decision.

前号に掲げるもののほか、第三条第一項第二号に掲げる少年に係る事件について、家庭裁判所の審判に付することが適当であると思料するとき。

Article 6-6, paragraph (2)(警察官の送致等)(Referral by Police Officer)Changed

The police officer must send the family court any evidence (including that which is an electronic or magnetic record; the same applies in Article 22-2, paragraph (3) and Article 45-3, paragraph (2)) obtained in relation to a case referred to the director of a child guidance center pursuant to the provisions of the preceding paragraph if the measures prescribed in Article 27, paragraph (1), item (iv) of the Child Welfare Act have been implemented.

警察官は、前項の規定により児童相談所長に送致した事件について、児童福祉法第二十七条第一項第四号の措置がとられた場合において、証拠物(電磁的記録であるものを含む。第二十二条の二第三項及び第四十五条の三第二項において同じ。)があるときは、これを家庭裁判所に送付しなければならない。

Article 6-6, paragraph (3)(警察官の送致等)

If a police officer notifies a child guidance center of a juvenile subject to investigation pursuant to the provisions of Article 25, paragraph (1) of the Child Welfare Act, except when the case is referred pursuant to the provisions of paragraph (1), then the police officer is to provide the child guidance center with the outline and results of the investigation which will serve as a reference for the implementation of measures under that Act, pursuant to the provisions of the Rules of the National Public Safety Commission.

警察官は、第一項の規定により事件を送致した場合を除き、児童福祉法第二十五条第一項の規定により調査に係る少年を児童相談所に通告するときは、国家公安委員会規則の定めるところにより、児童相談所に対し、同法による措置をとるについて参考となる当該調査の概要及び結果を通知するものとする。

Article 6-7第六条の七

Referral by a Prefectural Governor or Director of a Child Guidance Center(都道府県知事又は児童相談所長の送致)
Article 6-7, paragraph (1)

A prefectural governor or a director of a child guidance center must implement the measures prescribed in Article 27, paragraph (1), item (iv) of the Child Welfare Act in a case referred to the governor or the director pursuant to the provisions of paragraph (1) of the preceding Article (limited to the part concerning item (i)); provided, however, that this does not apply when it is found unnecessary to do so as a result of the investigation.

都道府県知事又は児童相談所長は、前条第一項(第一号に係る部分に限る。)の規定により送致を受けた事件については、児童福祉法第二十七条第一項第四号の措置をとらなければならない。ただし、調査の結果、その必要がないと認められるときは、この限りでない。

Article 6-7, paragraph (2)

If it is necessary to take a compulsory measure, that may unintentionally restrict or deprive the child's freedom, to a juvenile to whom the Child Welfare Act applies, a prefectural governor or a director of a child guidance center must refer the case to the family court, except when it is found to be permitted to take the measures pursuant to the provisions of Articles 33, 33-2 and 47 of that Act.

都道府県知事又は児童相談所長は、児童福祉法の適用がある少年について、たまたま、その行動の自由を制限し、又はその自由を奪うような強制的措置を必要とするときは、同法第三十三条、第三十三条の二及び第四十七条の規定により認められる場合を除き、これを家庭裁判所に送致しなければならない。

Article 7第七条

Family Court Investigating Officer's Report(家庭裁判所調査官の報告)
Article 7, paragraph (1)

If any juvenile subject to trial and decision of the family court is found, then a family court investigating officer must report this to a judge.

家庭裁判所調査官は、家庭裁判所の審判に付すべき少年を発見したときは、これを裁判官に報告しなければならない。

Article 7, paragraph (2)

A family court investigating officer may investigate the circumstances surrounding the juvenile and the parent or guardian before the reporting stated in the preceding paragraph.

家庭裁判所調査官は、前項の報告に先だち、少年及び保護者について、事情を調査することができる。

Section 3 Investigation, and Trial and Decision第三節 調査及び審判

Article 8第八条

Investigation of Cases(事件の調査)
Article 8, paragraph (1)

When the family court considers that a juvenile should be subject to trial and decision following the notification prescribed in Article 6, paragraph (1) or the reporting prescribed in paragraph (1) of the preceding Article, it must investigate the case involving the juvenile. This also applies when a public prosecutor, a judicial police officer, a police officer, a prefectural governor or a child guidance center's director sends a juvenile case to be referred to a trial and decision by the family court.

家庭裁判所は、第六条第一項の通告又は前条第一項の報告により、審判に付すべき少年があると思料するときは、事件について調査しなければならない。検察官、司法警察員、警察官、都道府県知事又は児童相談所長から家庭裁判所の審判に付すべき少年事件の送致を受けたときも、同様とする。

Article 8, paragraph (2)

The family court may order a family court investigating officer to interview a juvenile, parent or guardian, or person of reference, and to carry out other necessary investigation.

家庭裁判所は、家庭裁判所調査官に命じて、少年、保護者又は参考人の取調その他の必要な調査を行わせることができる。

Article 9第九条

Investigation Policy(調査の方針)
Article 9, paragraph (1)

The investigation prescribed in the preceding Article must be carried out by making use of medical, psychological, pedagogical, sociological and any other specialized knowledge as much as possible, regarding conduct, background, temperament, and environment of the juvenile, the parent or guardian, and other concerned persons, and in particular, the results of classifications conducted by the juvenile classification home.

前条の調査は、なるべく、少年、保護者又は関係人の行状、経歴、素質、環境等について、医学、心理学、教育学、社会学その他の専門的智識特に少年鑑別所の鑑別の結果を活用して、これを行うように努めなければならない。

Article 9-2第九条の二

Hearing of Opinions by Victims upon Request(被害者等の申出による意見の聴取)
Article 9-2, paragraph (1)

The family court is to hear by itself, or order a family court investigating officer to hear from the victim, etc. of a juvenile case, as prescribed in Article 3, paragraph (1), item (i) or (ii) about their feelings and other opinions on the case upon their request pursuant to the Rules of the Supreme Court; provided, however, that this does not apply if it is found inappropriate considering the nature of the case, the state of investigation or trial and decision of the family court, or other circumstances.

家庭裁判所は、最高裁判所規則の定めるところにより第三条第一項第一号又は第二号に掲げる少年に係る事件の被害者等から、被害に関する心情その他の事件に関する意見の陳述の申出があるときは、自らこれを聴取し、又は家庭裁判所調査官に命じてこれを聴取させるものとする。ただし、事件の性質、調査又は審判の状況その他の事情を考慮して、相当でないと認めるときは、この限りでない。

Article 10第十条

Attendant(付添人)
Article 10, paragraph (1)

A juvenile or a parent or guardian, legal representative, curator, spouse, lineal relative, or sibling of a juvenile may, with the family court's permission, appoint an attendant; provided, however, that no permission is needed to appoint an attorney-at-law as the attendant.

少年並びにその保護者、法定代理人、保佐人、配偶者、直系の親族及び兄弟姉妹は、家庭裁判所の許可を受けて、付添人を選任することができる。ただし、弁護士を付添人に選任するには、家庭裁判所の許可を要しない。

Article 10, paragraph (2)

A parent or guardian may serve as attendant if permitted by the family court.

保護者は、家庭裁判所の許可を受けて、付添人となることができる。

Article 11第十一条

Summons and Escort(呼出し及び同行)
1 change in this article
Article 11, paragraph (1)(呼出し及び同行)

The family court may issue a summons to a juvenile or parent or guardian and summon them when it is found necessary for the investigation or trial and decision of the case.

家庭裁判所は、事件の調査又は審判について必要があると認めるときは、少年又は保護者に対して、呼出状を発して、その呼出しをすることができる。

Article 11, paragraph (2)(呼出し及び同行)

The family court may issue an escort warrant for a juvenile or a parent or guardian and escort them if they fail to comply with, or are likely to fail to comply with, the summons provided in the preceding paragraph without reasonable grounds.

家庭裁判所は、少年又は保護者が、正当な理由がなく、前項の規定による呼出しに応じないとき、又は応じないおそれがあるときは、その少年又は保護者に対して、同行状を発して、その同行をすることができる。

Article 11, paragraph (3)(呼出し及び同行)(Summons and Escort)Added

A summons and an escort warrant may, in addition to being in writing, be in the form of an electronic or magnetic record, in accordance with the Rules of the Supreme Court.

呼出状及び同行状は、書面によるほか、最高裁判所規則の定めるところにより、電磁的記録によることができる。

Article 12第十二条

Escort in Case of Emergency(緊急の場合の同行)
1 change in this article
Article 12, paragraph (1)(緊急の場合の同行)

Notwithstanding the provisions of paragraph (2) of the preceding Article, the family court may issue an escort warrant for a juvenile and escort them in case of an emergency need of protection, and if it is found necessary for their welfare.

家庭裁判所は、少年が保護のため緊急を要する状態にあつて、その福祉上必要であると認めるときは、前条第二項の規定にかかわらず、その少年に対して、同行状を発して、その同行をすることができる。

Article 12, paragraph (2)(緊急の場合の同行)

In urgent cases the presiding judge may take the measures stated in the preceding paragraph or have a member of the panel of judges do this.

裁判長は、急速を要する場合には、前項の処分をし、又は合議体の構成員にこれをさせることができる。

Article 12, paragraph (3)(緊急の場合の同行)(Escort in Case of Emergency)Added

The provisions of paragraph (3) of the preceding Article apply mutatis mutandis to the escort warrant prescribed in paragraph (1).

前条第三項の規定は、第一項の同行状について準用する。

Article 13第十三条

Execution of an Escort Warrant(同行状の執行)
Article 13, paragraph (1)

An escort warrant is executed by a family court investigating officer.

同行状は、家庭裁判所調査官がこれを執行する。

Article 13, paragraph (2)

The family court may have a police officer, a probation officer, or a court clerk execute an escort warrant.

家庭裁判所は、警察官、保護観察官又は裁判所書記官をして、同行状を執行させることができる。

Article 13, paragraph (3)

In urgent cases, the presiding judge may take the measures stated in the preceding paragraph or have a member of the panel of judges do this.

裁判長は、急速を要する場合には、前項の処分をし、又は合議体の構成員にこれをさせることができる。

Article 14第十四条

Witness Examination, Expert Opinion, Interpretation, and Translation(証人尋問・鑑定・通訳・翻訳)
Article 14, paragraph (1)

The family court may examine a witness, or order an expert opinion, interpretation, or translation.

家庭裁判所は、証人を尋問し、又は鑑定、通訳若しくは翻訳を命ずることができる。

Article 14, paragraph (2)

The provisions of the Code of Criminal Procedure concerning examination of a witness, or ordering of an expert opinion, interpretation, and translation to be conducted by the court apply mutatis mutandis to the case stated in the preceding paragraph unless contrary to the nature of the protection case.

刑事訴訟法中、裁判所の行う証人尋問、鑑定、通訳及び翻訳に関する規定は、保護事件の性質に反しない限り、前項の場合に、これを準用する。

Article 15第十五条

Inspection, Seizure, Search, etc.(検証、押収、捜索等)
Article 15, paragraph (1)

The family court may conduct an inspection, seizure, or search, or issue an order to provide electronic or magnetic records.

家庭裁判所は、検証、押収、捜索又は電磁的記録提供命令をすることができる。

Article 15, paragraph (2)

The provisions of the Code of Criminal Procedure concerning inspection, seizure, search, and order to provide electronic or magnetic records to be conducted by the court, apply mutatis mutandis to the case stated in the preceding paragraph, unless contrary to the nature of the protection case.

刑事訴訟法中、裁判所の行う検証、押収、捜索及び電磁的記録提供命令に関する規定は、保護事件の性質に反しない限り、前項の場合について準用する。

Article 16第十六条

Assistance and Cooperation(援助、協力)
Article 16, paragraph (1)

The family court may have a police officer, a probation officer, a volunteer probation officer, a child welfare officer (which means a child welfare officer as prescribed in Article 12-3, paragraph (2), item (vi) of the Child Welfare Act; this also applies in Article 26, paragraph (1) of this Act), or a commissioned child welfare volunteer provide necessary assistance in investigation and observation.

家庭裁判所は、調査及び観察のため、警察官、保護観察官、保護司、児童福祉司(児童福祉法第十二条の三第二項第六号に規定する児童福祉司をいう。第二十六条第一項において同じ。)又は児童委員に対して、必要な援助をさせることができる。

Article 16, paragraph (2)

The family court may request the necessary cooperation from public offices, public and private organizations, schools, hospitals and others in performing their duties.

家庭裁判所は、その職務を行うについて、公務所、公私の団体、学校、病院その他に対して、必要な協力を求めることができる。

Article 17第十七条

Measure for Observation and Protection(観護の措置)
Article 17, paragraph (1)

A family court may implement measures for observation and protection listed in the following items by a ruling if the measures are needed for its trial and decision:

家庭裁判所は、審判を行うため必要があるときは、決定をもつて、次に掲げる観護の措置をとることができる。

Article 17, paragraph (1), item (i)

to put under the observation and protection of a family court investigating officer;

家庭裁判所調査官の観護に付すること。

Article 17, paragraph (1), item (ii)

to refer to a juvenile classification home.

少年鑑別所に送致すること。

Article 17, paragraph (2)

Measures for observation and protection regarding an escorted juvenile must be implemented within 24 hours, at the latest, from the time of the arrival. This also applies to the measures regarding a juvenile who has been detained or arrested, and is referred to the court by a public prosecutor or a judicial police officer.

同行された少年については、観護の措置は、遅くとも、到着のときから二十四時間以内に、これを行わなければならない。検察官又は司法警察員から勾留又は逮捕された少年の送致を受けたときも、同様である。

Article 17, paragraph (3)

If the measures prescribed in item (ii) of paragraph (1) are implemented, then the period of detention of the juvenile at the juvenile classification home may not exceed two weeks; provided, however, that the period may be renewed by the court's ruling if continued custody is particularly needed.

第一項第二号の措置においては、少年鑑別所に収容する期間は、二週間を超えることができない。ただし、特に継続の必要があるときは、決定をもつて、これを更新することができる。

Article 17, paragraph (4)

The renewal pursuant to the proviso of the preceding paragraph is not to take place more than once; provided, however, that the renewal may take place with a limit of up to two additional times if the family court has decided to conduct an examination of a witness, seek an expert's opinion, or conduct an inspection or has implemented these measures to find out the facts of the delinquent act (including motive for the offense, the manner and impact of the crime, or other important facts closely related to the crime; this also applies below) punishable by imprisonment or a heavier punishment, concerning a juvenile as prescribed in Article 3, paragraph (1), item (i), and if there are reasonable grounds to suspect that a family court trial and decision would be severely hindered without detaining the juvenile.

前項ただし書の規定による更新は、一回を超えて行うことができない。ただし、第三条第一項第一号に掲げる少年に係る拘禁刑以上の刑に当たる罪の事件でその非行事実(犯行の動機、態様及び結果その他の当該犯罪に密接に関連する重要な事実を含む。以下同じ。)の認定に関し証人尋問、鑑定若しくは検証を行うことを決定したもの又はこれを行つたものについて、少年を収容しなければ審判に著しい支障が生じるおそれがあると認めるに足りる相当の理由がある場合には、その更新は、更に二回を限度として、行うことができる。

Article 17, paragraph (5)

Notwithstanding the proviso of paragraph (3), the period of detention in a case once again referred by a public prosecutor may not be renewed if the measures prescribed in item (ii) of paragraph (1) have already been implemented or a detention warrant has already been issued regarding the case.

第三項ただし書の規定にかかわらず、検察官から再び送致を受けた事件が先に第一項第二号の措置がとられ、又は勾留状が発せられた事件であるときは、収容の期間は、これを更新することができない。

Article 17, paragraph (6)

If the judge implements the measures prescribed in paragraph (1), item (i) of this Article upon request pursuant to the provisions of Article 43, paragraph (1), the measures are deemed as those prescribed in paragraph (1), item (i) of this Article if the case is subsequently referred to a family court.

裁判官が第四十三条第一項の請求により、第一項第一号の措置をとつた場合において、事件が家庭裁判所に送致されたときは、その措置は、これを第一項第一号の措置とみなす。

Article 17, paragraph (7)

If the judge implements the measures prescribed in item (ii), paragraph (1) of this Article upon request pursuant to the provisions of Article 43, paragraph (1), the measures are deemed to be those prescribed in item (ii), paragraph (1) of this Article if the case is subsequently referred to a family court. In this case, the period prescribed in paragraph (3) begins from the day when the case is referred to a family court.

裁判官が第四十三条第一項の請求により第一項第二号の措置をとつた場合において、事件が家庭裁判所に送致されたときは、その措置は、これを第一項第二号の措置とみなす。この場合には、第三項の期間は、家庭裁判所が事件の送致を受けた日から、これを起算する。

Article 17, paragraph (8)

The measures for observation and protection may be repealed or amended by a ruling.

観護の措置は、決定をもつて、これを取り消し、又は変更することができる。

Article 17, paragraph (9)

Regarding the measures provided in paragraph (1), item (ii), the total period of detention may not exceed eight weeks; provided, however, that no ruling that makes a total custody period longer than four weeks is to be rendered without the grounds prescribed in the proviso of paragraph (4).

第一項第二号の措置については、収容の期間は、通じて八週間を超えることができない。ただし、その収容の期間が通じて四週間を超えることとなる決定を行うときは、第四項ただし書に規定する事由がなければならない。

Article 17, paragraph (10)

In case of emergency, the presiding judge may take the dispositions prescribed in paragraphs (1) or (8), or have a member of the panel of judges do this.

裁判長は、急速を要する場合には、第一項及び第八項の処分をし、又は合議体の構成員にこれをさせることができる。

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