# 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-3231-168/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) — address `suppl-3231-168/art-4`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/juvenile-act/suppl-3231-168/art-4
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-3231-168/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
suppl-3231-168/art-4 · https://japanlaw.org/en/juvenile-act/suppl-3231-168/art-4 · https://japanlaw.org/l/323AC0000000168/suppl-3231-168/art-4
**第一項** 旧法第四条の保護処分を受けた少年に対しては、旧法第六十三条の規定により刑事訴追をすることのできない事件について、刑事訴追をし、又は家庭裁判所の審判に付することはできない。
suppl-3231-168/art-4/par-1 · https://japanlaw.org/en/juvenile-act/suppl-3231-168/art-4/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-3231-168/art-4/par-1
With respect to a juvenile who has been subjected to a disposition for rehabilitation of an adjudicated delinquent under Article 4 of the Former Act, a criminal prosecution may not be instituted, nor may the juvenile be subjected to a trial and decision in a family court, for a case in which a criminal prosecution cannot be instituted under the provisions of Article 63 of the Former Act.
machine translation, not official
---
## 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
- This site's parser, version 220 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02