# 少年法 / Juveniles Act — 第二条 (Supplementary Provisions, Article 2) This is the Markdown twin of https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2. 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: 第二条 (Supplementary Provisions, Article 2)（少年法の一部改正に伴う経過措置） — address `suppl-4121-142/art-2` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2 - 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. --- ### 第二条（少年法の一部改正に伴う経過措置） — Transitional Measures Accompanying the Partial Amendment of the Juveniles Act caption: machine translation, not official suppl-4121-142/art-2 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2 **第一項** この法律の施行の際現に家庭裁判所に係属している事件についてとられる少年法第十七条第一項第二号の措置における収容の期間の更新及び通算した収容の期間の限度については、第一条の規定による改正後の同法（以下「新法」という。）第十七条第三項から第五項まで及び第九項の規定にかかわらず、なお従前の例による。 suppl-4121-142/art-2/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-1 With regard to the renewal of the period of detention and the limit on the total period of detention in the measures under Article 17, paragraph (1), item (ii) of the Juveniles Act taken in a case that is pending before a family court at the time this Act comes into effect, notwithstanding Article 17, paragraphs (3) through (5) and paragraph (9) of the Juveniles Act as amended by the provisions of Article 1 (hereinafter referred to as the "New Act"), the provisions then in force continue to govern. machine translation, not official **第二項** 新法第十七条の二の規定は、前項に規定する少年法第十七条第一項第二号の措置及びその収容の期間の更新の決定については、適用しない。 suppl-4121-142/art-2/par-2 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-2 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-2 The provisions of Article 17-2 of the New Act do not apply to the measures under Article 17, paragraph (1), item (ii) of the Juveniles Act prescribed in the preceding paragraph or to the decision to renew the period of detention under those measures. machine translation, not official **第三項** 新法第二十二条の二の規定（新法において準用し、又はその例による場合を含む。）は、この法律の施行の際現に裁判所に係属している事件の手続並びにこの法律の施行後に係属する当該事件の抗告審及び再抗告審の手続については、適用しない。 suppl-4121-142/art-2/par-3 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-3 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-3 The provisions of Article 22-2 of the New Act (including where they are applied mutatis mutandis or governed by the same rules in the New Act) do not apply to the procedure in a case that is pending before a court at the time this Act comes into effect, or to the procedure in the proceedings of second instance and of re-appeal in that case that become pending after this Act comes into effect. machine translation, not official **第四項** 新法第二十七条の二第二項の規定は、この法律の施行後に終了する保護処分について適用する。 suppl-4121-142/art-2/par-4 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-4 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-4 The provisions of Article 27-2, paragraph (2) of the New Act apply to a disposition for rehabilitation of an adjudicated delinquent that ends after this Act comes into effect. machine translation, not official **第五項** この法律の施行前にした行為に係る検察官への送致、刑の適用及び仮釈放をすることができるまでの期間については、なお従前の例による。 suppl-4121-142/art-2/par-5 · https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-5 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-5 With regard to referral to a public prosecutor, the application of penalties, and the period until parole may be granted, in relation to an act committed before this Act comes into effect, the provisions then in force continue to govern. machine translation, not official --- ## Cites - suppl-4121-142/art-2/par-1: 少年法第十七条第一項第二号 → 少年法 第十七条第一項第二号 (Article 17, paragraph (1), item (ii)), art-17/par-1/item-2 — https://japanlaw.org/ja/juvenile-act/art-17/par-1/item-2 · https://japanlaw.org/l/323AC0000000168/art-17/par-1/item-2 - suppl-4121-142/art-2/par-1: 第十七条第三項から第五項まで → 少年法 第十七条第三項 (Article 17, paragraph (3)), art-17/par-3 — https://japanlaw.org/ja/juvenile-act/art-17/par-3 · https://japanlaw.org/l/323AC0000000168/art-17/par-3 - suppl-4121-142/art-2/par-1: 第十七条第三項から第五項まで → 少年法 第十七条第四項 (Article 17, paragraph (4)), art-17/par-4 — https://japanlaw.org/ja/juvenile-act/art-17/par-4 · https://japanlaw.org/l/323AC0000000168/art-17/par-4 - suppl-4121-142/art-2/par-1: 第十七条第三項から第五項まで → 少年法 第十七条第五項 (Article 17, paragraph (5)), art-17/par-5 — https://japanlaw.org/ja/juvenile-act/art-17/par-5 · https://japanlaw.org/l/323AC0000000168/art-17/par-5 - suppl-4121-142/art-2/par-1: 第九項 → 少年法 第十七条第九項 (Article 17, paragraph (9)), art-17/par-9 — https://japanlaw.org/ja/juvenile-act/art-17/par-9 · https://japanlaw.org/l/323AC0000000168/art-17/par-9 - suppl-4121-142/art-2/par-2: 新法第十七条の二 → 少年法 第十七条の二 (Article 17-2), art-17-2 — https://japanlaw.org/ja/juvenile-act/art-17-2 · https://japanlaw.org/l/323AC0000000168/art-17-2 - suppl-4121-142/art-2/par-2: 前項 → 少年法 附則第二条第一項 (Supplementary Provisions, Article 2, paragraph (1)), suppl-4121-142/art-2/par-1 — https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/par-1 - suppl-4121-142/art-2/par-2: 少年法第十七条第一項第二号 → 少年法 第十七条第一項第二号 (Article 17, paragraph (1), item (ii)), art-17/par-1/item-2 — https://japanlaw.org/ja/juvenile-act/art-17/par-1/item-2 · https://japanlaw.org/l/323AC0000000168/art-17/par-1/item-2 - suppl-4121-142/art-2/par-3: 新法第二十二条の二 → 少年法 第二十二条の二 (Article 22-2), art-22-2 — https://japanlaw.org/ja/juvenile-act/art-22-2 · https://japanlaw.org/l/323AC0000000168/art-22-2 - suppl-4121-142/art-2/par-4: 新法第二十七条の二第二項 → 少年法 第二十七条の二第二項 (Article 27-2, paragraph (2)), art-27-2/par-2 — https://japanlaw.org/ja/juvenile-act/art-27-2/par-2 · https://japanlaw.org/l/323AC0000000168/art-27-2/par-2 ## Cited by 1 provision cites this one. No official source publishes this direction. - 少年法 附則第二条第二項（少年法の一部改正に伴う経過措置） — https://japanlaw.org/ja/juvenile-act/suppl-4121-142/art-2/par-2 · https://japanlaw.org/l/323AC0000000168/suppl-4121-142/art-2/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 - 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, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch juvenile-act-20261102T172711-004, translated 2026-11-03 - This site's parser, version 220 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02