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Juveniles Act

少年法(しょうねんほう)

Chapter II Juvenile Protection Cases (Articles 17-2 to 22-5)

The law as Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) 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 17-2第十七条の二

Filing of Objections(異議の申立て)
Article 17-2, paragraph (1)

A juvenile, their legal representative, or attendant may file an objection against a ruling as prescribed in paragraph (1), item (ii) of the preceding Article or in the proviso of paragraph (3) of the preceding Article to a family court where the protection case is pending; provided, however, that the attendant may not file an objection that is contrary to the intent clearly indicated by the parent or guardian, who appointed the attendant.

少年、その法定代理人又は付添人は、前条第一項第二号又は第三項ただし書の決定に対して、保護事件の係属する家庭裁判所に異議の申立てをすることができる。ただし、付添人は、選任者である保護者の明示した意思に反して、異議の申立てをすることができない。

Article 17-2, paragraph (2)

The objection referred to in the preceding paragraph may not be filed on the reasoning that there are no grounds for referring the case to trial and decision.

前項の異議の申立ては、審判に付すべき事由がないことを理由としてすることはできない。

Article 17-2, paragraph (3)

A ruling by the family court, on the objection referred to in paragraph (1), must be made by a panel. In this case, a judge who was involved in the ruling of prior instance may not participate in giving this ruling.

第一項の異議の申立てについては、家庭裁判所は、合議体で決定をしなければならない。この場合において、その決定には、原決定に関与した裁判官は、関与することができない。

Article 17-2, paragraph (4)

The provisions of Articles 32-3, 33 and 34 apply mutatis mutandis to a case in which the objection prescribed in paragraph (1) is filed. In this case, the phrase "revoke the ruling given in the prior instance, and remand the case to the court of prior instance, or transfer the case to another family court" in Article 33, paragraph (2) is deemed to be replaced with "revoke the ruling given in the prior instance, and a further judicial decision must be made if it is deemed necessary."

第三十二条の三、第三十三条及び第三十四条の規定は、第一項の異議の申立てがあつた場合について準用する。この場合において、第三十三条第二項中「取り消して、事件を原裁判所に差し戻し、又は他の家庭裁判所に移送しなければならない」とあるのは、「取り消し、必要があるときは、更に裁判をしなければならない」と読み替えるものとする。

Article 17-3第十七条の三

Special Appeal(特別抗告)
Article 17-3, paragraph (1)

The provisions of Article 35, paragraph (1) apply mutatis mutandis to the ruling prescribed in paragraph (3) of the preceding Article. In this case, the term "two weeks" in Article 35, paragraph (1) is deemed to be replaced with "five days."

第三十五条第一項の規定は、前条第三項の決定について準用する。この場合において、第三十五条第一項中「二週間」とあるのは、「五日」と読み替えるものとする。

Article 17-3, paragraph (2)

The provisions of paragraph (4) of the preceding Article and Article 32-2 apply mutatis mutandis if an appeal is filed pursuant to the provisions of the preceding paragraph.

前条第四項及び第三十二条の二の規定は、前項の規定による抗告があつた場合について準用する。

Article 17-4第十七条の四

Provisional Detention in Case of Referral to a Juvenile Classification Home(少年鑑別所送致の場合の仮収容)
Article 17-4, paragraph (1)

If there are circumstances under which immediate custody in a juvenile classification home is found extremely difficult, following the implementation of the measures prescribed in Article 17, paragraph (1), item (ii), the family court may, by a ruling, provisionally detain the juvenile to the nearest juvenile training school or to a specially separated place inside the nearest penal institution; provided, however, that the period must not exceed 72 hours from commencement of detention.

家庭裁判所は、第十七条第一項第二号の措置をとつた場合において、直ちに少年鑑別所に収容することが著しく困難であると認める事情があるときは、決定をもつて、少年を仮に最寄りの少年院又は刑事施設の特に区別した場所に収容することができる。ただし、その期間は、収容した時から七十二時間を超えることができない。

Article 17-4, paragraph (2)

In case of an emergency, the presiding judge may take the dispositions stated in the preceding paragraph or have a member from a panel of judges do it.

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 17-4, paragraph (3)

The period of detention pursuant to the provisions of paragraph (1) is deemed to be the period of detention in a juvenile classification home by the measures prescribed in item (ii) of paragraph (1) of Article 17; the period prescribed in paragraph (3) of that Article is to begin from the day of detention in the juvenile training school or penal institution.

第一項の規定による収容の期間は、これを第十七条第一項第二号の措置により少年鑑別所に収容した期間とみなし、同条第三項の期間は、少年院又は刑事施設に収容した日から、これを起算する。

Article 17-4, paragraph (4)

If the judge detained a juvenile pursuant to paragraph (1) upon request prescribed in the provisions of Article 43, paragraph (1), the detention is deemed to be the detention prescribed in paragraph (1) if the case is subsequently referred to the family court.

裁判官が第四十三条第一項の請求のあつた事件につき、第一項の収容をした場合において、事件が家庭裁判所に送致されたときは、その収容は、これを第一項の規定による収容とみなす。

Article 18第十八条

Child Welfare Act Measures(児童福祉法の措置)
Article 18, paragraph (1)

When it is found appropriate to take measures prescribed in the provisions of the Child Welfare Act as a result of the investigation, the family court, by a ruling, must refer the case to a prefectural governor or director of a child guidance center who has authority over the case.

家庭裁判所は、調査の結果、児童福祉法の規定による措置を相当と認めるときは、決定をもつて、事件を権限を有する都道府県知事又は児童相談所長に送致しなければならない。

Article 18, paragraph (2)

The family court, by a ruling, may refer the case concerning a juvenile referred by a prefectural governor or director of child guidance center, pursuant to the provisions of Article 6-7, paragraph (2), to the prefectural governor or director of a child guidance center who has authority over the case, with a time limit and instructions as to the means of protection and any other measures to be taken.

第六条の七第二項の規定により、都道府県知事又は児童相談所長から送致を受けた少年については、決定をもつて、期限を付して、これに対してとるべき保護の方法その他の措置を指示して、事件を権限を有する都道府県知事又は児童相談所長に送致することができる。

Article 19第十九条

Ruling Not to Commence a Trial(審判を開始しない旨の決定)
Article 19, paragraph (1)

The family court must make a ruling not to commence a trial if it finds, as a result of the investigation, that it is impossible or inappropriate to subject the case to trial and decision.

家庭裁判所は、調査の結果、審判に付することができず、又は審判に付するのが相当でないと認めるときは、審判を開始しない旨の決定をしなければならない。

Article 19, paragraph (2)

Notwithstanding the provisions of the preceding paragraph, if it is found, as a result of the investigation, that the person in question is 20 years of age or older, the family court, by a ruling, must refer the case to a public prosecutor at the public prosecutor's office that is the counterpart of the district court with jurisdiction over the case.

家庭裁判所は、調査の結果、本人が二十歳以上であることが判明したときは、前項の規定にかかわらず、決定をもつて、事件を管轄地方裁判所に対応する検察庁の検察官に送致しなければならない。

Article 20第二十条

Referral to a Public Prosecutor(検察官への送致)
Article 20, paragraph (1)

The family court, by a ruling, must refer a case punishable by imprisonment or a heavier punishment to a public prosecutor at the public prosecutor's office that is the counterpart of the district court with jurisdiction over the case, if the criminal disposition of the case is found appropriate, as a result of the investigation, considering the nature and circumstances of the crime.

家庭裁判所は、拘禁刑以上の刑に当たる罪の事件について、調査の結果、その罪質及び情状に照らして刑事処分を相当と認めるときは、決定をもつて、これを管轄地方裁判所に対応する検察庁の検察官に送致しなければならない。

Article 20, paragraph (2)

Notwithstanding the provisions of the preceding paragraph, the family court must make a ruling as prescribed in that paragraph for a case in which a juvenile who is 16 years of age or older committed an intentional criminal act that caused the death of a victim; provided, however, that this does not apply if the court finds any measures other than the criminal disposition more appropriate, as a result of the investigation, which considers motive for the offense, manner , circumstances or situation after the offense, the juvenile's character, age, conduct, environment and other circumstances.

前項の規定にかかわらず、家庭裁判所は、故意の犯罪行為により被害者を死亡させた罪の事件であつて、その罪を犯すとき十六歳以上の少年に係るものについては、同項の決定をしなければならない。ただし、調査の結果、犯行の動機及び態様、犯行後の情況、少年の性格、年齢、行状及び環境その他の事情を考慮し、刑事処分以外の措置を相当と認めるときは、この限りでない。

Article 21第二十一条

Ruling to Commence a Trial(審判開始の決定)
Article 21, paragraph (1)

If it is found appropriate to commence a trial as a result of the investigation, the family court must make a ruling to that effect.

家庭裁判所は、調査の結果、審判を開始するのが相当であると認めるときは、その旨の決定をしなければならない。

Article 22第二十二条

Trial and Decision Procedure(審判の方式)
Article 22, paragraph (1)

Trial and decision must be conducted cordially and amicably, and encourage the delinquent juvenile to reflect on their delinquency.

審判は、懇切を旨として、和やかに行うとともに、非行のある少年に対し自己の非行について内省を促すものとしなければならない。

Article 22, paragraph (2)

The trial and decision are not open to the public.

審判は、これを公開しない。

Article 22, paragraph (3)

The presiding judge is to direct the trial and decision.

審判の指揮は、裁判長が行う。

Article 22-2第二十二条の二

Public Prosecutor Participation(検察官の関与)
Article 22-2, paragraph (1)

The family court, by a ruling, may have a public prosecutor participate in a trial and decision for a case involving a juvenile as prescribed in Article 3, paragraph (1), item (i) concerning a crime which is punishable by the death penalty, imprisonment for life, or imprisonment with a maximum term exceeding three years, when the court finds that the participation of a public prosecutor in the trial and decision is necessary to certify the facts of the delinquent act.

家庭裁判所は、第三条第一項第一号に掲げる少年に係る事件であつて、死刑又は無期若しくは長期三年を超える拘禁刑に当たる罪のものにおいて、その非行事実を認定するための審判の手続に検察官が関与する必要があると認めるときは、決定をもつて、審判に検察官を出席させることができる。

Article 22-2, paragraph (2)

The family court must hear the opinion of a public prosecutor, in advance, to give the ruling stated in the preceding paragraph, except for when the public prosecutor requests to attend the hearing.

家庭裁判所は、前項の決定をするには、検察官の申出がある場合を除き、あらかじめ、検察官の意見を聴かなければならない。

Article 22-2, paragraph (3)

If a ruling, as prescribed in paragraph (1), is given on the case, the public prosecutor, as provided for by the Rules of the Supreme Court, may inspect and copy the records of the case and articles of evidence, attend the trial and decision (including the announcement of the ruling that closes the case), ask questions to the juvenile, witnesses and other concerned persons, and give opinions to the extent that is necessary to certify the facts of the delinquent act.

検察官は、第一項の決定があつた事件において、その非行事実の認定に資するため必要な限度で、最高裁判所規則の定めるところにより、事件の記録及び証拠物を閲覧し及び謄写し、審判の手続(事件を終局させる決定の告知を含む。)に立ち会い、少年及び証人その他の関係人に発問し、並びに意見を述べることができる。

Article 22-3第二十二条の三

Court-Appointed Attendants(国選付添人)
Article 22-3, paragraph (1)

If the juvenile has no attendant who is an attorney-at-law when the family court gives a ruling as prescribed in paragraph (1) of the preceding Article, the court must appoint an attendant who is an attorney-at-law.

家庭裁判所は、前条第一項の決定をした場合において、少年に弁護士である付添人がないときは、弁護士である付添人を付さなければならない。

Article 22-3, paragraph (2)

The family court may appoint an attendant who is an attorney-at-law in a juvenile case as prescribed in Article 3, paragraph (1), item (i) for a crime prescribed in paragraph (1) of the preceding Article, or in a juvenile case as prescribed in Article 3, paragraph (1), item (ii) for an act violating criminal laws and regulations, concerning a crime prescribed in paragraph (1) of the preceding Article, for the juvenile against whom the measures prescribed in Article 17, paragraph (1), item (ii) has been implemented, and who has no attendant who is an attorney-at-law, if the court finds that participation of an attendant who is an attorney-at-law is required for the trial and decision proceedings, considering the nature of the case, presence or absence of the parent or guardian, and other circumstances.

家庭裁判所は、第三条第一項第一号に掲げる少年に係る事件であつて前条第一項に規定する罪のもの又は第三条第一項第二号に掲げる少年に係る事件であつて前条第一項に規定する罪に係る刑罰法令に触れるものについて、第十七条第一項第二号の措置がとられており、かつ、少年に弁護士である付添人がない場合において、事案の内容、保護者の有無その他の事情を考慮し、審判の手続に弁護士である付添人が関与する必要があると認めるときは、弁護士である付添人を付することができる。

Article 22-3, paragraph (3)

An attendant to be appointed by the family court, pursuant to the provisions of the preceding two paragraphs, is to be appointed as provided for by the Rules of the Supreme Court.

前二項の規定により家庭裁判所が付すべき付添人は、最高裁判所規則の定めるところにより、選任するものとする。

Article 22-3, paragraph (4)

An attendant appointed pursuant to the provisions of the preceding paragraph (including when it is applied mutatis mutandis pursuant to Article 22-5, paragraph (4)), may claim travel expenses, daily allowances, accommodation fees and remuneration.

前項(第二十二条の五第四項において準用する場合を含む。)の規定により選任された付添人は、旅費、日当、宿泊料及び報酬を請求することができる。

Article 22-4第二十二条の四

Observation of Trial and Decision by Victims(被害者等による少年審判の傍聴)
Article 22-4, paragraph (1)

The family court may, pursuant to the Rules of the Supreme Court, permit, upon request, the victim, etc. to observe the trial and decision of a juvenile case on the trial and decision date for a juvenile case as prescribed in Article 3, paragraph (1), item (i) who committed a crime stated in any of the following items, or for a juvenile case as prescribed in item (ii) of that paragraph (excluding any juvenile under 12 years of age who committed an act violating criminal laws and regulations; this also applies in the next paragraph), who committed an act violating criminal laws and regulations concerning crimes stated in any of the following items (limited to any act that caused serious danger to victim's life in either of the relevant cases when the victim was injured), if the victim, etc. requests to observe the trial and decision on the trial and decision date, and the court finds it appropriate and unlikely to hinder the sound development of the juvenile, considering the age of the juvenile, mental or physical state, the nature of the case, status of the trial and decision and 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に掲げる少年に係る事件であつて次に掲げる罪のもの又は同項第二号に掲げる少年(十二歳に満たないで刑罰法令に触れる行為をした少年を除く。次項において同じ。)に係る事件であつて次に掲げる罪に係る刑罰法令に触れるもの(いずれも被害者を傷害した場合にあつては、これにより生命に重大な危険を生じさせたときに限る。)の被害者等から、審判期日における審判の傍聴の申出がある場合において、少年の年齢及び心身の状態、事件の性質、審判の状況その他の事情を考慮して、少年の健全な育成を妨げるおそれがなく相当と認めるときは、その申出をした者に対し、これを傍聴することを許すことができる。

Article 22-4, paragraph (1), item (i)

the crime of committing an intentional criminal act that causes the death of or injury to the victim;

故意の犯罪行為により被害者を死傷させた罪

Article 22-4, paragraph (1), item (ii)

the crime prescribed in Article 211 (Causing Death or Injury Due to Negligence in the Pursuit of Social Activities) of the Penal Code (Act No. 45 of 1907);

刑法(明治四十年法律第四十五号)第二百十一条(業務上過失致死傷等)の罪

Article 22-4, paragraph (1), item (iii)

the crime prescribed in Article 4, Article 5 or paragraph (3) or paragraph (4) of Article 6 of the Act on Punishment of Acts Inflicting Death or Injury on Others by Driving a Motor Vehicle, etc. (Act No. 86 of 2013).

自動車の運転により人を死傷させる行為等の処罰に関する法律(平成二十五年法律第八十六号)第四条、第五条又は第六条第三項若しくは第四項の罪

Article 22-4, paragraph (2)

When deciding whether or not to permit the victim, etc. of a juvenile case as prescribed in Article 3, paragraph (1), item (ii), to observe the trial and decision pursuant to the provisions of the preceding paragraph, the family court must give full consideration to the fact that, in general, the juvenile, as prescribed in that item, is highly emotionally immature.

家庭裁判所は、前項の規定により第三条第一項第二号に掲げる少年に係る事件の被害者等に審判の傍聴を許すか否かを判断するに当たつては、同号に掲げる少年が、一般に、精神的に特に未成熟であることを十分考慮しなければならない。

Article 22-4, paragraph (3)

When permitting observation of the trial and decision pursuant to the provisions of paragraph (1), the family court may allow a person who can ease the anxiety or the tension of the observer appropriately and is unlikely to disrupt the trial and decision, or have undue impact on it, to accompany the observer, if it finds that the observer is likely to feel severe anxiety or tension in consideration of age, mental or physical state of the observer and other circumstances.

家庭裁判所は、第一項の規定により審判の傍聴を許す場合において、傍聴する者の年齢、心身の状態その他の事情を考慮し、その者が著しく不安又は緊張を覚えるおそれがあると認めるときは、その不安又は緊張を緩和するのに適当であり、かつ、審判を妨げ、又はこれに不当な影響を与えるおそれがないと認める者を、傍聴する者に付き添わせることができる。

Article 22-4, paragraph (4)

When determining the seating arrangements for the person observing the trial and decision pursuant to the provisions of paragraph (1), and the person accompanying that person, pursuant to the preceding paragraph, and the seating arrangements for court officials where the trial and decision takes place, the presiding judge must consider the impact it will have on the mental and physical state of the juvenile.

裁判長は、第一項の規定により審判を傍聴する者及び前項の規定によりこの者に付き添う者の座席の位置、審判を行う場所における裁判所職員の配置等を定めるに当たつては、少年の心身に及ぼす影響に配慮しなければならない。

Article 22-4, paragraph (5)

The provisions of Article 5-2, paragraph (3) apply mutatis mutandis to the person observing the trial and decision pursuant to the provisions of paragraph (1) and to the person accompanying that person pursuant to the provisions of paragraph (3).

第五条の二第三項の規定は、第一項の規定により審判を傍聴した者又は第三項の規定によりこの者に付き添つた者について、準用する。

Article 22-5第二十二条の五

Hearing of Opinions from the Attendant Who is an Attorney-at-Law(弁護士である付添人からの意見の聴取等)
Article 22-5, paragraph (1)

Before permitting observation of the trial and decision pursuant to the provisions of paragraph (1) of the preceding Article, the family court must hear opinions from the attendant who is an attorney-at-law.

家庭裁判所は、前条第一項の規定により審判の傍聴を許すには、あらかじめ、弁護士である付添人の意見を聴かなければならない。

Article 22-5, paragraph (2)

In the case of the preceding paragraph, the family court must appoint an attendant who is an attorney-at-law, if the juvenile does not have such an attendant.

家庭裁判所は、前項の場合において、少年に弁護士である付添人がないときは、弁護士である付添人を付さなければならない。

Article 22-5, paragraph (3)

If the juvenile does not have an attendant who is an attorney-at-law, then the provisions in the preceding two paragraphs do not apply if the juvenile and the parent or guardian clearly indicate that they do not require an attendant pursuant to the Rules of the Supreme Court.

少年に弁護士である付添人がない場合であつて、最高裁判所規則の定めるところにより少年及び保護者がこれを必要としない旨の意思を明示したときは、前二項の規定は適用しない。

Article 22-5, paragraph (4)

The provisions of Article 22-3, paragraph (3) apply mutatis mutandis to the attendant who must be appointed by the family court pursuant to the provisions of paragraph (2).

第二十二条の三第三項の規定は、第二項の規定により家庭裁判所が付すべき付添人について、準用する。

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