# 少年法 / Juveniles Act — 第二条 (Supplementary Provisions, Article 2)

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- 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)（経過措置） — address `suppl-4261-23/art-2`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/juvenile-act/suppl-4261-23/art-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/323AC0000000168/suppl-4261-23/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.

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### 第二条（経過措置） — Transitional Measures
<sup>caption: machine translation, not official</sup>
<sup>suppl-4261-23/art-2 · https://japanlaw.org/ja/juvenile-act/suppl-4261-23/art-2 · https://japanlaw.org/l/323AC0000000168/suppl-4261-23/art-2</sup>

**第一項**  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、なお従前の例による。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この法律による改正後の少年法（以下「新法」という。）第五十一条第二項又は第五十二条第一項若しくは同条第一項及び第二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この法律による改正前の少年法第五十一条第二項又は第五十二条第一項及び第二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については新法第五十八条第一項の規定を適用し、仮釈放期間の終了については新法第五十九条第二項の規定を適用する。
<sup>suppl-4261-23/art-2/par-1 · https://japanlaw.org/ja/juvenile-act/suppl-4261-23/art-2/par-1 · https://japanlaw.org/l/323AC0000000168/suppl-4261-23/art-2/par-1</sup>
With regard 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), the provisions then in force continue to govern; 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 51, paragraph (2), or Article 52, paragraph (1) or paragraphs (1) and (2) of that Article, of the Juveniles Act as amended by this Act (hereinafter referred to as the "New 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 Article 51, paragraph (2), or Article 52, paragraphs (1) and (2) of the Juveniles Act prior to its amendment by this Act 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, Article 58, paragraph (1) of the New Act applies to the period until parole may be granted, and Article 59, paragraph (2) of the New Act applies to the termination of the parole period.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4261-23/art-2/par-1: 第五十一条第二項 → 少年法 第五十一条第二項 (Article 51, paragraph (2)), art-51/par-2 — https://japanlaw.org/ja/juvenile-act/art-51/par-2 · https://japanlaw.org/l/323AC0000000168/art-51/par-2
- suppl-4261-23/art-2/par-1: 第五十二条第一項 → 少年法 第五十二条第一項 (Article 52, paragraph (1)), art-52/par-1 — https://japanlaw.org/ja/juvenile-act/art-52/par-1 · https://japanlaw.org/l/323AC0000000168/art-52/par-1
- suppl-4261-23/art-2/par-1: 第二項 → 少年法 第五十二条第二項 (Article 52, paragraph (2)), art-52/par-2 — https://japanlaw.org/ja/juvenile-act/art-52/par-2 · https://japanlaw.org/l/323AC0000000168/art-52/par-2
- suppl-4261-23/art-2/par-1: 新法第五十八条第一項 → 少年法 第五十八条第一項 (Article 58, paragraph (1)), art-58/par-1 — https://japanlaw.org/ja/juvenile-act/art-58/par-1 · https://japanlaw.org/l/323AC0000000168/art-58/par-1
- suppl-4261-23/art-2/par-1: 新法第五十九条第二項 → 少年法 第五十九条第二項 (Article 59, paragraph (2)), art-59/par-2 — https://japanlaw.org/ja/juvenile-act/art-59/par-2 · https://japanlaw.org/l/323AC0000000168/art-59/par-2

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## 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-20261102T172711-004, translated 2026-11-03
- claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch juvenile-act-20261102T172711-005, translated 2026-11-03
- This site's parser, version 220 — 少年法 — structure, counts, cross-references and defined terms, computed 2026-11-02
