# 少年法 / Juveniles Act — 附　則 (Supplementary Provisions) This is the Markdown twin of https://japanlaw.org/ja/juvenile-act/suppl-5031-47. 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: 少年法 (Juveniles Act), 昭和二十三年法律第百六十八号 - English title "Juveniles Act": 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: 附　則 (Supplementary Provisions) — address `suppl-5031-47` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/juvenile-act/suppl-5031-47 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-5031-47 - Every provision below carries its address and both URLs 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. --- ## 附　則 令和三年五月二八日法律第四七号 suppl-5031-47 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-5031-47/art-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-1 **第一項** この法律は、令和四年四月一日から施行する。 suppl-5031-47/art-1/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-1/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-1/par-1 This Act comes into effect as of April 1, 2022. machine translation, not official ### 第二条（検察官への送致に関する経過措置） — Transitional Measures Concerning Referral to a Public Prosecutor caption: machine translation, not official suppl-5031-47/art-2 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-2 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-2 **第一項** 第一条の規定による改正後の少年法（以下「新少年法」という。）第六十二条及び第六十三条の規定は、この法律の施行後にした行為に係る事件の家庭裁判所から検察官への送致について適用する。 suppl-5031-47/art-2/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-2/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-2/par-1 The provisions of Articles 62 and 63 of the Juveniles Act as amended by the provisions of Article 1 (hereinafter referred to as the "New Juveniles Act") apply to the referral by a family court to a public prosecutor of a case relating to an act committed after this Act comes into effect. machine translation, not official ### 第三条（司法警察員の送致に関する経過措置） — Transitional Measures Concerning Referral by a Judicial Police Officer caption: machine translation, not official suppl-5031-47/art-3 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-3 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-3 **第一項** 新少年法第六十七条第一項（少年法第四十一条に係る部分に限る。）の規定は、この法律の施行後にした行為に係る事件の司法警察員から家庭裁判所への送致について適用する。 suppl-5031-47/art-3/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-3/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-3/par-1 The provisions of Article 67, paragraph (1) of the New Juveniles Act (limited to the portion relating to Article 41 of the Juveniles Act) apply to the referral by a judicial police officer to a family court of a case relating to an act committed after this Act comes into effect. machine translation, not official ### 第四条（不定期刑、仮釈放及び仮釈放期間の終了に関する経過措置） — Transitional Measures Concerning Indeterminate Sentences, Parole, and Termination of the Parole Period caption: machine translation, not official suppl-5031-47/art-4 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-4 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-4 **第一項** 新少年法第六十七条第四項（少年法第五十二条に係る部分に限る。以下この条において同じ。）及び第五項の規定は、この法律の施行前にした行為（一個の行為が二個以上の罪名に触れる場合におけるこれらの罪名に触れる行為、犯罪の手段若しくは結果である行為が他の罪名に触れる場合におけるこれらの罪名に触れる行為又は併合罪として処断すべき罪に当たる行為にこの法律の施行前のものと施行後のものがある場合においては、これらの行為を含む。）に係る刑の適用、仮釈放をすることができるまでの期間及び仮釈放期間の終了については、適用しない。ただし、一個の行為が二個以上の罪名に触れる場合におけるこれらの罪名に触れる行為、犯罪の手段若しくは結果である行為が他の罪名に触れる場合におけるこれらの罪名に触れる行為又は併合罪として処断すべき罪に当たる行為にこの法律の施行前のものと施行後のものがある場合において、これらの行為のうちこの法律の施行後のものであるものに係る罪のみについて新少年法第六十七条第四項の規定を適用することとした場合に言い渡すことができる刑が、これらの行為に係る罪の全てについて同項の規定を適用しないこととした場合に言い渡すことができる刑より重い刑となるときは、刑の適用についてはその重い刑をもって言い渡すことができる刑とし、仮釈放をすることができるまでの期間及び仮釈放期間の終了については同条第五項の規定を適用する。 suppl-5031-47/art-4/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-4/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-4/par-1 The provisions of Article 67, paragraph (4) of the New Juveniles Act (limited to the portion relating to Article 52 of the Juveniles Act; the same applies hereinafter in this Article) and paragraph (5) of that Article do not apply to the application of sentences, the period until parole may be granted, and the termination of the parole period for acts committed before this Act comes into effect (including, in the case where acts falling under those crime names where a single act falls under two or more crime names, acts falling under those crime names where an act that is the means or result of a crime falls under another crime name, or acts constituting crimes to be dealt with as concurrent crimes include acts both before and after this Act comes into effect, those acts); provided, however, that in the case where acts falling under those crime names where a single act falls under two or more crime names, acts falling under those crime names where an act that is the means or result of a crime falls under another crime name, or acts constituting crimes to be dealt with as concurrent crimes include acts both before and after this Act comes into effect, if the sentence that could be imposed were Article 67, paragraph (4) of the New Juveniles Act applied only to the crimes relating to those of these acts that were committed after this Act comes into effect is heavier than the sentence that could be imposed were that paragraph not applied to all of the crimes relating to these acts, the heavier sentence is to be the sentence that may be imposed for the application of sentences, and paragraph (5) of that Article applies to the period until parole may be granted and the termination of the parole period. machine translation, not official ### 第五条（換刑処分の禁止に関する経過措置） — Transitional Measures Concerning Prohibition on Disposition in Lieu of Punishment caption: machine translation, not official suppl-5031-47/art-5 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-5 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-5 **第一項** 新少年法第六十七条第四項（少年法第五十四条に係る部分に限る。）の規定は、この法律の施行後にした行為について科せられる罰金又は科料（次に掲げる罰金又は科料を除く。）に係る労役場留置の言渡しについて適用する。 suppl-5031-47/art-5/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-5/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-5/par-1 The provisions of Article 67, paragraph (4) of the New Juveniles Act (limited to the portion relating to Article 54 of the Juveniles Act) apply to sentencing to detention in a workhouse relating to a fine or petty fine imposed for an act committed after this Act comes into effect (excluding a fine or petty fine set out in the following items). machine translation, not official **一** 一個の行為が二個以上の罪名に触れる場合におけるこれらの罪名に触れる行為又は犯罪の手段若しくは結果である行為が他の罪名に触れる場合におけるこれらの罪名に触れる行為にこの法律の施行前のものと施行後のものがある場合において、これらの行為について科せられる罰金又は科料 suppl-5031-47/art-5/par-1/item-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-5/par-1/item-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-5/par-1/item-1 In the case where acts falling under those crime names where a single act falls under two or more crime names, or acts falling under those crime names where an act that is the means or result of a crime falls under another crime name, include acts both before and after this Act comes into effect, a fine or petty fine imposed for those acts; machine translation, not official **二** 刑法（明治四十年法律第四十五号）第四十八条第二項の規定により併合罪として処断された罪に当たる行為にこの法律の施行前のものと施行後のものがある場合において、これらの行為について科せられる罰金 suppl-5031-47/art-5/par-1/item-2 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-5/par-1/item-2 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-5/par-1/item-2 In the case where acts constituting crimes dealt with as concurrent crimes pursuant to Article 48, paragraph (2) of the Penal Code (Act No. 45 of 1907) include acts both before and after this Act comes into effect, a fine imposed for those acts. machine translation, not official ### 第六条（人の資格に関する法令の適用に関する経過措置） — Transitional Measures Concerning Application of Laws and Regulations Concerning Personal Qualification caption: machine translation, not official suppl-5031-47/art-6 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-6 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-6 **第一項** 十八歳以上の少年のとき犯した罪により刑に処せられてこの法律の施行前に当該刑の執行を受け終わり若しくは執行の免除を受けた者又は十八歳以上の少年のとき犯した罪について刑に処せられた者でこの法律の施行の際現に当該刑の執行猶予中のものに対する人の資格に関する法令の適用については、新少年法第六十七条第六項の規定は、適用しない。 suppl-5031-47/art-6/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-6/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-6/par-1 With regard to the application of laws and regulations concerning personal qualification to a person who was sentenced for an offense committed as a juvenile aged 18 or older and, before this Act comes into effect, has finished serving the sentence or been exempted from execution of the sentence, or a person who was sentenced for an offense committed as a juvenile aged 18 or older and is, at the time this Act comes into effect, under suspension of execution of the sentence, the provisions of Article 67, paragraph (6) of the New Juveniles Act do not apply. machine translation, not official ### 第七条（記事等の掲載の禁止に関する経過措置） — Transitional Measures Concerning Prohibition on Publication of News Articles caption: machine translation, not official suppl-5031-47/art-7 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-7 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-7 **第一項** 新少年法第六十八条の規定は、この法律の施行後に公訴を提起された場合について適用する。 suppl-5031-47/art-7/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-7/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-7/par-1 The provisions of Article 68 of the New Juveniles Act apply to a case where a public prosecution is instituted after this Act comes into effect. machine translation, not official ### 第八条（検討） — Review caption: machine translation, not official suppl-5031-47/art-8 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-8 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-8 **第一項** 政府は、この法律の施行後五年を経過した場合において、この法律による改正後の規定及び民法の一部を改正する法律（平成三十年法律第五十九号）による改正後の規定の施行の状況並びにこれらの規定の施行後の社会情勢及び国民の意識の変化等を踏まえ、罪を犯した十八歳以上二十歳未満の者に係る事件の手続及び処分並びにその者に対する処遇に関する制度の在り方等について検討を加え、必要があると認めるときは、その結果に基づいて所要の措置を講ずるものとする。 suppl-5031-47/art-8/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-8/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-8/par-1 If five years have elapsed after this Act comes into effect, the Government is to review the desirable form of the system for the procedure in cases concerning persons aged 18 or older and under 20 who have committed an offense, dispositions, and the treatment of such persons, etc., taking into account the status of enforcement of the provisions as amended by this Act and the provisions as amended by the Act Partially Amending the Civil Code (Act No. 59 of 2018), and changes in social conditions and public awareness after the enforcement of those provisions, and, if it finds it necessary, take the necessary measures based on the results. machine translation, not official --- ## Cites - suppl-5031-47/art-2/par-1: 第六十二条 → 少年法 第六十二条 (Article 62), art-62 — https://japanlaw.org/ja/juvenile-act/art-62 · https://japanlaw.org/l/323AC0000000168/art-62 - suppl-5031-47/art-2/par-1: 第六十三条 → 少年法 第六十三条 (Article 63), art-63 — https://japanlaw.org/ja/juvenile-act/art-63 · https://japanlaw.org/l/323AC0000000168/art-63 - suppl-5031-47/art-3/par-1: 新少年法第六十七条第一項 → 少年法 第六十七条第一項 (Article 67, paragraph (1)), art-67/par-1 — https://japanlaw.org/ja/juvenile-act/art-67/par-1 · https://japanlaw.org/l/323AC0000000168/art-67/par-1 - suppl-5031-47/art-3/par-1: 少年法第四十一条 → 少年法 第四十一条 (Article 41), art-41 — https://japanlaw.org/ja/juvenile-act/art-41 · https://japanlaw.org/l/323AC0000000168/art-41 - suppl-5031-47/art-4/par-1: 新少年法第六十七条第四項 → 少年法 第六十七条第四項 (Article 67, paragraph (4)), art-67/par-4 — https://japanlaw.org/ja/juvenile-act/art-67/par-4 · https://japanlaw.org/l/323AC0000000168/art-67/par-4 - suppl-5031-47/art-4/par-1: 少年法第五十二条 → 少年法 第五十二条 (Article 52), art-52 — https://japanlaw.org/ja/juvenile-act/art-52 · https://japanlaw.org/l/323AC0000000168/art-52 - suppl-5031-47/art-4/par-1: この条 → 少年法 附則第四条 (Supplementary Provisions, Article 4), suppl-5031-47/art-4 — https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-4 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-4 - suppl-5031-47/art-4/par-1: 第五項 → 少年法 第六十七条第五項 (Article 67, paragraph (5)), art-67/par-5 — https://japanlaw.org/ja/juvenile-act/art-67/par-5 · https://japanlaw.org/l/323AC0000000168/art-67/par-5 - suppl-5031-47/art-5/par-1: 新少年法第六十七条第四項 → 少年法 第六十七条第四項 (Article 67, paragraph (4)), art-67/par-4 — https://japanlaw.org/ja/juvenile-act/art-67/par-4 · https://japanlaw.org/l/323AC0000000168/art-67/par-4 - suppl-5031-47/art-5/par-1: 少年法第五十四条 → 少年法 第五十四条 (Article 54), art-54 — https://japanlaw.org/ja/juvenile-act/art-54 · https://japanlaw.org/l/323AC0000000168/art-54 - suppl-5031-47/art-5/par-1/item-2: 刑法（明治四十年法律第四十五号）第四十八条第二項 → 刑法 第四十八条第二項 (Article 48, paragraph (2)), art-48/par-2 — https://japanlaw.org/ja/penal-code/art-48/par-2 · https://japanlaw.org/l/140AC0000000045/art-48/par-2 - suppl-5031-47/art-6/par-1: 新少年法第六十七条第六項 → 少年法 第六十七条第六項 (Article 67, paragraph (6)), art-67/par-6 — https://japanlaw.org/ja/juvenile-act/art-67/par-6 · https://japanlaw.org/l/323AC0000000168/art-67/par-6 - suppl-5031-47/art-7/par-1: 新少年法第六十八条 → 少年法 第六十八条 (Article 68), art-68 — https://japanlaw.org/ja/juvenile-act/art-68 · https://japanlaw.org/l/323AC0000000168/art-68 ## Cited by 1 provision cites this one. No official source publishes this direction. - 少年法 附則第四条第一項（不定期刑、仮釈放及び仮釈放期間の終了に関する経過措置） — https://japanlaw.org/ja/juvenile-act/suppl-5031-47/art-4/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-4/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 少年法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/323AC0000000168/20260624_508AC0000000046), retrieved 2026-11-02 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Juveniles Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4827/tb), retrieved 2026-11-02 - claude-sonnet-5-5 — Machine translation, batch juvenile-act-20261102T172711-003, translated 2026-11-03 - claude-sonnet-5-5 — Machine translation, batch juvenile-act-20261102T172711-004, translated 2026-11-03 - claude-sonnet-5-5 — Machine translation, batch juvenile-act-20261102T172711-005, translated 2026-11-03 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch juvenile-act-20261102T172711-005, translated 2026-11-03 - claude-sonnet-5-5 — Machine translation, batch juvenile-act-20261102T172711-006, translated 2026-11-03 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch juvenile-act-20261102T172711-006, translated 2026-11-03 - This site's parser, version 220 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02