# 少年法 / Juveniles Act — 附　則 (Supplementary Provisions) This is the Markdown twin of https://japanlaw.org/ja/juvenile-act/suppl-4091-74. 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-4091-74` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/juvenile-act/suppl-4091-74 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-4091-74 - 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 平成九年六月一一日法律第七四号 suppl-4091-74 · https://japanlaw.org/ja/juvenile-act/suppl-4091-74 · https://japanlaw.org/l/323AC0000000168/suppl-4091-74 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4091-74/art-1 · https://japanlaw.org/ja/juvenile-act/suppl-4091-74/art-1 · https://japanlaw.org/l/323AC0000000168/suppl-4091-74/art-1 **第一項** この法律は、平成十年四月一日から施行する。 suppl-4091-74/art-1/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-4091-74/art-1/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-4091-74/art-1/par-1 This Act comes into effect on April 1, 1998. machine translation, not official ### 第十一条（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-4091-74/art-11 · https://japanlaw.org/ja/juvenile-act/suppl-4091-74/art-11 · https://japanlaw.org/l/323AC0000000168/suppl-4091-74/art-11 **第一項** 前条の規定による改正前の少年法第二十四条第一項第二号の規定によりなされた教護院に送致する決定又は養護施設に送致する決定であって、この法律の施行の際その決定に係る保護処分が終了していないものについては、それぞれ前条の規定による改正後の同号の規定によりなされた児童自立支援施設に送致する決定又は児童養護施設に送致する決定とみなす。 suppl-4091-74/art-11/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-4091-74/art-11/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-4091-74/art-11/par-1 With respect to a decision to refer to a juvenile education and training home or a decision to refer to a children's care home made under the provisions of Article 24, paragraph (1), item (ii) of the Juveniles Act prior to amendment by the provisions of the preceding Article, for which the disposition for rehabilitation of an adjudicated delinquent pertaining to that decision has not ended at the time this Act comes into effect, such decisions are deemed to be, respectively, a decision to refer to a children's self-reliance support facility or a decision to refer to a foster home made under the provisions of that item as amended by the provisions of the preceding Article. 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 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, 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