# 少年法 / Juveniles Act — 第四十八条 (Article 48) This is the Markdown twin of https://japanlaw.org/en/juvenile-act/art-48. 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: 第四十八条 (Article 48)（勾留） — address `art-48` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/juvenile-act/art-48 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/art-48 - 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. --- ### 第四十八条（勾留） — (Detention) caption: Ministry of Justice translation — Japanese Law Translation Database System art-48 · https://japanlaw.org/en/juvenile-act/art-48 · https://japanlaw.org/l/323AC0000000168/art-48 **第一項** 勾留状は、やむを得ない場合でなければ、少年に対して、これを発することはできない。 art-48/par-1 · https://japanlaw.org/en/juvenile-act/art-48/par-1 · https://japanlaw.org/l/323AC0000000168/art-48/par-1 A detention warrant may not be issued against a juvenile unless it is unavoidable. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 少年を勾留する場合には、少年鑑別所にこれを拘禁することができる。 art-48/par-2 · https://japanlaw.org/en/juvenile-act/art-48/par-2 · https://japanlaw.org/l/323AC0000000168/art-48/par-2 If a juvenile is detained, then the juvenile may be detained in a juvenile classification home. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 本人が満二十歳に達した後でも、引き続き前項の規定によることができる。 art-48/par-3 · https://japanlaw.org/en/juvenile-act/art-48/par-3 · https://japanlaw.org/l/323AC0000000168/art-48/par-3 The provisions of the preceding paragraph remain applicable even after the juvenile reaches 20 years of age. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-48/par-3: 前項 → 少年法 第四十八条第二項 (Article 48, paragraph (2)), art-48/par-2 — https://japanlaw.org/en/juvenile-act/art-48/par-2 · https://japanlaw.org/l/323AC0000000168/art-48/par-2 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 少年法 第四十八条第三項（勾留） — https://japanlaw.org/en/juvenile-act/art-48/par-3 · https://japanlaw.org/l/323AC0000000168/art-48/par-3 - 少年法 第六十七条第二項 — https://japanlaw.org/en/juvenile-act/art-67/par-2 · https://japanlaw.org/l/323AC0000000168/art-67/par-2 --- ## 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 - This site's parser, version 220 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02