# 少年法 / Juveniles Act — 第四条 (Supplementary Provisions, Article 4) This is the Markdown twin of https://japanlaw.org/en/juvenile-act/suppl-5031-47/art-4. 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: 第四条 (Supplementary Provisions, Article 4)（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） — address `suppl-5031-47/art-4` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/juvenile-act/suppl-5031-47/art-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-5031-47/art-4 - 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. --- ### 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/en/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/en/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 --- ## Cites - 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/en/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/en/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/en/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/en/juvenile-act/art-67/par-5 · https://japanlaw.org/l/323AC0000000168/art-67/par-5 ## 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/en/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-20261102T172711-005, 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 - This site's parser, version 223 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02