# 刑事訴訟法 / Code of Criminal Procedure — 第八条 (Supplementary Provisions, Article 8) This is the Markdown twin of https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8. 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: 刑事訴訟法 (Code of Criminal Procedure), 昭和二十三年法律第百三十一号 - English title "Code of Criminal Procedure": 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: 第八条 (Supplementary Provisions, Article 8)（刑事訴訟法に係る拘禁刑に関する経過措置等） — address `suppl-5051-28/art-8` - Text in force since: 2026-10-20 - URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8 - e-Gov law ID: 323AC0000000131 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL 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. --- ### 第八条（刑事訴訟法に係る拘禁刑に関する経過措置等） — Transitional Measures Concerning Imprisonment under the Code of Criminal Procedure, etc. caption: machine translation, not official suppl-5051-28/art-8 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8 **第一項** 第三号施行日から刑法等一部改正法施行日の前日までの間における新刑事訴訟法第九十六条第四項に規定する拘禁刑以上の刑に処する判決に係る新刑事訴訟法の規定の適用については、同項中「拘禁刑以上」とあるのは「禁錮以上」と、「拘禁刑の」とあるのは「懲役又は禁錮の」とする。 suppl-5051-28/art-8/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-1 With regard to the application of the provisions of the New Code of Criminal Procedure to a judgment imposing a sentence of imprisonment or a heavier sentence prescribed in Article 96, paragraph (4) of the New Code of Criminal Procedure during the period from the item (iii) Effective Date until the day preceding the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, the phrase "imprisonment or a heavier sentence" in that paragraph is deemed to be replaced with "imprisonment without work or a heavier sentence", and the phrase "the whole of the imprisonment" with "the whole of the imprisonment with work or imprisonment without work". machine translation, not official **第二項** 第三号施行日から刑法等一部改正法施行日の前日までの間における新刑事訴訟法第九十六条第六項及び第七項、第三百四十三条の二、第三百九十条の二並びに第四百二条の二の規定の適用については、これらの規定中「拘禁刑」とあるのは、「禁錮」とする。 suppl-5051-28/art-8/par-2 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-2 With regard to the application of the provisions of Article 96, paragraphs (6) and (7), Article 343-2, Article 390-2 and Article 402-2 of the New Code of Criminal Procedure during the period from the item (iii) Effective Date until the day preceding the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, the term "imprisonment" in those provisions is deemed to be replaced with "imprisonment without work". machine translation, not official **第三項** 第六号施行日が刑法等一部改正法施行日前である場合には、第六号施行日から刑法等一部改正法施行日の前日までの間における新刑事訴訟法第三百四十二条の二、第三百四十二条の三、第三百四十二条の四第二項、第三百四十二条の六第二項、第三百四十二条の八第一項、第四百三条の三、第四百七十九条の二及び第四百八十三条の二、同条において読み替えて適用する新刑事訴訟法第三百四十二条の二、第三百四十二条の四第二項及び第三百四十二条の六第二項並びに新刑事訴訟法第四百八十五条の二の規定の適用については、これらの規定（新刑事訴訟法第四百三条の三第二項を除く。）中「拘禁刑」とあるのは、「禁錮」とする。 suppl-5051-28/art-8/par-3 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-3 If the item (vi) Effective Date is before the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, with regard to the application of the provisions of Article 342-2, Article 342-3, Article 342-4, paragraph (2), Article 342-6, paragraph (2), Article 342-8, paragraph (1), Article 403-3, Article 479-2 and Article 483-2 of the New Code of Criminal Procedure, Article 342-2, Article 342-4, paragraph (2) and Article 342-6, paragraph (2) of the New Code of Criminal Procedure as applied with the replacement of terms pursuant to Article 483-2 of the New Code of Criminal Procedure, and Article 485-2 of the New Code of Criminal Procedure during the period from the item (vi) Effective Date until the day preceding the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, the term "imprisonment" in those provisions (excluding Article 403-3, paragraph (2) of the New Code of Criminal Procedure) is deemed to be replaced with "imprisonment without work". machine translation, not official **第四項** 第二号施行日から刑法等一部改正法施行日の前日までの間における新刑事訴訟法第三百四十四条第二項の規定の適用については、同項中「拘禁刑」とあるのは、「禁錮」とする。 suppl-5051-28/art-8/par-4 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-4 With regard to the application of the provisions of Article 344, paragraph (2) of the New Code of Criminal Procedure during the period from the item (ii) Effective Date until the day preceding the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, the term "imprisonment" in that paragraph is deemed to be replaced with "imprisonment without work". machine translation, not official **第五項** 刑法等一部改正法施行日以後における新刑事訴訟法第九十六条第四項、第六項及び第七項、第九十八条の十七第一項（第二号及び第三号に係る部分に限る。）、第三百四十二条の二、第三百四十二条の三並びに第三百四十二条の四第二項、新刑事訴訟法第三百四十二条の六第二項において読み替えて準用する刑事訴訟法第九十四条第三項並びに新刑事訴訟法第三百四十二条の八第一項、第三百四十三条の二、第三百四十四条第二項、第四百三条の三、第四百七十九条の二及び第四百八十三条の二の規定、同条において読み替えて適用する新刑事訴訟法第三百四十二条の二、第三百四十二条の四並びに第三百四十二条の五第一項及び第三項、新刑事訴訟法第三百四十二条の六第二項において読み替えて準用する刑事訴訟法第九十四条第二項及び第三項並びに新刑事訴訟法第三百四十二条の七の規定、新刑事訴訟法第四百八十五条の二及び第四百八十九条の二の規定並びに同条第一項において読み替えて適用する新刑事訴訟法第九十八条の十二第五項、第九十八条の十三第一項、第九十八条の十四第一項（第四号及び第五号に係る部分に限る。）及び第二項、第九十八条の十五第一項、第三項、第四項、第六項、第八項、第十一項及び第十二項、第九十八条の十六第一項、第九十八条の十七第四項並びに第九十八条の二十第一項、第三項及び第六項の規定（次項において「第四百八十九条の二読替適用規定」という。）の適用については、懲役又は禁錮に処する判決は、それぞれ拘禁刑に処する判決とみなす。 suppl-5051-28/art-8/par-5 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-5 With regard to the application, on or after the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, of the provisions of Article 96, paragraphs (4), (6) and (7), Article 98-17, paragraph (1) (limited to the part concerning items (ii) and (iii)), Articles 342-2 and 342-3, and Article 342-4, paragraph (2) of the New Code of Criminal Procedure, Article 94, paragraph (3) of the Code of Criminal Procedure as applied mutatis mutandis with the replacement of terms pursuant to Article 342-6, paragraph (2) of the New Code of Criminal Procedure, and Article 342-8, paragraph (1), Article 343-2, Article 344, paragraph (2), Article 403-3, Article 479-2 and Article 483-2 of the New Code of Criminal Procedure, Articles 342-2 and 342-4 and Article 342-5, paragraphs (1) and (3) of the New Code of Criminal Procedure as applied with the replacement of terms pursuant to Article 483-2 of the New Code of Criminal Procedure, Article 94, paragraphs (2) and (3) of the Code of Criminal Procedure as applied mutatis mutandis with the replacement of terms pursuant to Article 342-6, paragraph (2) of the New Code of Criminal Procedure, and Article 342-7 of the New Code of Criminal Procedure, the provisions of Articles 485-2 and 489-2 of the New Code of Criminal Procedure, and the provisions of Article 98-12, paragraph (5), Article 98-13, paragraph (1), Article 98-14, paragraph (1) (limited to the part concerning items (iv) and (v)) and paragraph (2), Article 98-15, paragraphs (1), (3), (4), (6), (8), (11) and (12), Article 98-16, paragraph (1), Article 98-17, paragraph (4), and Article 98-20, paragraphs (1), (3) and (6) of the New Code of Criminal Procedure as applied with the replacement of terms pursuant to Article 489-2, paragraph (1) of the New Code of Criminal Procedure (referred to as the "provisions applied as read under Article 489-2" in the following paragraph), a judgment imposing a sentence of imprisonment with work or imprisonment without work is deemed to be a judgment imposing a sentence of imprisonment, respectively. machine translation, not official **第六項** 刑法等一部改正法施行日以後における新刑事訴訟法第九十六条第七項、第九十八条の十七第一項（第三号に係る部分に限る。）及び第四百八十九条の二の規定並びに第四百八十九条の二読替適用規定の適用については、令和四年改正前刑法第十六条に規定する拘留に処する判決は、拘留に処する判決とみなす。 suppl-5051-28/art-8/par-6 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-6 With regard to the application, on or after the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, of the provisions of Article 96, paragraph (7), Article 98-17, paragraph (1) (limited to the part concerning item (iii)) and Article 489-2 of the New Code of Criminal Procedure and the provisions applied as read under Article 489-2, a judgment imposing a sentence of penal detention prescribed in Article 16 of the Penal Code Before the 2022 Amendment is deemed to be a judgment imposing a sentence of penal detention. machine translation, not official **第七項** 刑法等一部改正法の施行前にした行為に係る罪に関しては、刑法等一部改正法施行日以後における新刑事訴訟法第三百九十条の二及び第四百二条の二の規定の適用については、懲役又は禁錮に当たる罪は、それぞれ拘禁刑に当たる罪とみなす。 suppl-5051-28/art-8/par-7 · https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-7 With regard to a crime relating to an act committed before the 2022 Act Amending the Penal Code and Other Laws comes into effect, for the application of the provisions of Articles 390-2 and 402-2 of the New Code of Criminal Procedure on or after the Effective Date of the 2022 Act Amending the Penal Code and Other Laws, a crime punishable by imprisonment with work or imprisonment without work is deemed to be a crime punishable by imprisonment, respectively. machine translation, not official --- ## Cites - suppl-5051-28/art-8/par-1: 新刑事訴訟法第九十六条第四項 → 刑事訴訟法 第九十六条第四項 (Article 96, paragraph (4)), art-96/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-4 - suppl-5051-28/art-8/par-2: 新刑事訴訟法第九十六条第六項 → 刑事訴訟法 第九十六条第六項 (Article 96, paragraph (6)), art-96/par-6 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-6 - suppl-5051-28/art-8/par-2: 第七項 → 刑事訴訟法 第九十六条第七項 (Article 96, paragraph (7)), art-96/par-7 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-7 - suppl-5051-28/art-8/par-2: 第三百四十三条の二 → 刑事訴訟法 第三百四十三条の二 (Article 343-2), art-343-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-343-2 - suppl-5051-28/art-8/par-2: 第三百九十条の二 → 刑事訴訟法 第三百九十条の二 (Article 390-2), art-390-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-390-2 - suppl-5051-28/art-8/par-2: 第四百二条の二 → 刑事訴訟法 第四百二条の二 (Article 402-2), art-402-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-402-2 - suppl-5051-28/art-8/par-3: 新刑事訴訟法第三百四十二条の二 → 刑事訴訟法 第三百四十二条の二 (Article 342-2), art-342-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-2 - suppl-5051-28/art-8/par-3: 第三百四十二条の三 → 刑事訴訟法 第三百四十二条の三 (Article 342-3), art-342-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-3 - suppl-5051-28/art-8/par-3: 第三百四十二条の四第二項 → 刑事訴訟法 第三百四十二条の四第二項 (Article 342-4, paragraph (2)), art-342-4/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-4/par-2 - suppl-5051-28/art-8/par-3: 第三百四十二条の六第二項 → 刑事訴訟法 第三百四十二条の六第二項 (Article 342-6, paragraph (2)), art-342-6/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-6/par-2 - suppl-5051-28/art-8/par-3: 第三百四十二条の八第一項 → 刑事訴訟法 第三百四十二条の八第一項 (Article 342-8, paragraph (1)), art-342-8/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-8/par-1 - suppl-5051-28/art-8/par-3: 第四百三条の三 → 刑事訴訟法 第四百三条の三 (Article 403-3), art-403-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-403-3 - suppl-5051-28/art-8/par-3: 第四百七十九条の二 → 刑事訴訟法 第四百七十九条の二 (Article 479-2), art-479-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-479-2 - suppl-5051-28/art-8/par-3: 第四百八十三条の二 → 刑事訴訟法 第四百八十三条の二 (Article 483-2), art-483-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-483-2 - suppl-5051-28/art-8/par-3: 新刑事訴訟法第四百八十五条の二 → 刑事訴訟法 第四百八十五条の二 (Article 485-2), art-485-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-485-2 - suppl-5051-28/art-8/par-3: 新刑事訴訟法第四百三条の三第二項 → 刑事訴訟法 第四百三条の三第二項 (Article 403-3, paragraph (2)), art-403-3/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-403-3/par-2 - suppl-5051-28/art-8/par-4: 新刑事訴訟法第三百四十四条第二項 → 刑事訴訟法 第三百四十四条第二項 (Article 344, paragraph (2)), art-344/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-344/par-2 - suppl-5051-28/art-8/par-5: 新刑事訴訟法第九十六条第四項 → 刑事訴訟法 第九十六条第四項 (Article 96, paragraph (4)), art-96/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-4 - suppl-5051-28/art-8/par-5: 第六項 → 刑事訴訟法 第九十六条第六項 (Article 96, paragraph (6)), art-96/par-6 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-6 - suppl-5051-28/art-8/par-5: 第七項 → 刑事訴訟法 第九十六条第七項 (Article 96, paragraph (7)), art-96/par-7 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-7 - suppl-5051-28/art-8/par-5: 第三百四十二条の二 → 刑事訴訟法 第三百四十二条の二 (Article 342-2), art-342-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-2 - suppl-5051-28/art-8/par-5: 第三百四十二条の三 → 刑事訴訟法 第三百四十二条の三 (Article 342-3), art-342-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-3 - suppl-5051-28/art-8/par-5: 第三百四十二条の四第二項 → 刑事訴訟法 第三百四十二条の四第二項 (Article 342-4, paragraph (2)), art-342-4/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-4/par-2 - suppl-5051-28/art-8/par-5: 新刑事訴訟法第三百四十二条の六第二項 → 刑事訴訟法 第三百四十二条の六第二項 (Article 342-6, paragraph (2)), art-342-6/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-6/par-2 - suppl-5051-28/art-8/par-5: 刑事訴訟法第九十四条第三項 → 刑事訴訟法 第九十四条第三項 (Article 94, paragraph (3)), art-94/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-94/par-3 - suppl-5051-28/art-8/par-5: 新刑事訴訟法第三百四十二条の八第一項 → 刑事訴訟法 第三百四十二条の八第一項 (Article 342-8, paragraph (1)), art-342-8/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-8/par-1 - suppl-5051-28/art-8/par-5: 第三百四十三条の二 → 刑事訴訟法 第三百四十三条の二 (Article 343-2), art-343-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-343-2 - suppl-5051-28/art-8/par-5: 第三百四十四条第二項 → 刑事訴訟法 第三百四十四条第二項 (Article 344, paragraph (2)), art-344/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-344/par-2 - suppl-5051-28/art-8/par-5: 第四百三条の三 → 刑事訴訟法 第四百三条の三 (Article 403-3), art-403-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-403-3 - suppl-5051-28/art-8/par-5: 第四百七十九条の二 → 刑事訴訟法 第四百七十九条の二 (Article 479-2), art-479-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-479-2 - suppl-5051-28/art-8/par-5: 第四百八十三条の二 → 刑事訴訟法 第四百八十三条の二 (Article 483-2), art-483-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-483-2 - suppl-5051-28/art-8/par-5: 第三百四十二条の四 → 刑事訴訟法 第三百四十二条の四 (Article 342-4), art-342-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-4 - suppl-5051-28/art-8/par-5: 第三百四十二条の五第一項 → 刑事訴訟法 第三百四十二条の五第一項 (Article 342-5, paragraph (1)), art-342-5/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-5/par-1 - suppl-5051-28/art-8/par-5: 第三項 → 刑事訴訟法 第三百四十二条の五第三項 (Article 342-5, paragraph (3)), art-342-5/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-5/par-3 - suppl-5051-28/art-8/par-5: 刑事訴訟法第九十四条第二項 → 刑事訴訟法 第九十四条第二項 (Article 94, paragraph (2)), art-94/par-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-94/par-2 - suppl-5051-28/art-8/par-5: 新刑事訴訟法第三百四十二条の七 → 刑事訴訟法 第三百四十二条の七 (Article 342-7), art-342-7 — https://japanlaw.org/ja/code-of-criminal-procedure/art-342-7 - suppl-5051-28/art-8/par-5: 新刑事訴訟法第四百八十五条の二 → 刑事訴訟法 第四百八十五条の二 (Article 485-2), art-485-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-485-2 - suppl-5051-28/art-8/par-5: 次項 → 刑事訴訟法 附則第八条第六項 (Supplementary Provisions, Article 8, paragraph (6)), suppl-5051-28/art-8/par-6 — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-6 - suppl-5051-28/art-8/par-6: 新刑事訴訟法第九十六条第七項 → 刑事訴訟法 第九十六条第七項 (Article 96, paragraph (7)), art-96/par-7 — https://japanlaw.org/ja/code-of-criminal-procedure/art-96/par-7 - suppl-5051-28/art-8/par-7: 新刑事訴訟法第三百九十条の二 → 刑事訴訟法 第三百九十条の二 (Article 390-2), art-390-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-390-2 - suppl-5051-28/art-8/par-7: 第四百二条の二 → 刑事訴訟法 第四百二条の二 (Article 402-2), art-402-2 — https://japanlaw.org/ja/code-of-criminal-procedure/art-402-2 ## Cited by 6 provisions cite this one. No official source publishes this direction. - 刑事訴訟法 附則第一条第一項第二号（施行期日） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-1/par-1/item-2 - 刑事訴訟法 附則第一条第一項第三号（施行期日） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-1/par-1/item-3 - 刑事訴訟法 附則第一条第一項第六号（施行期日） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-1/par-1/item-6 - 刑事訴訟法 附則第一条第一項第七号（施行期日） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-1/par-1/item-7 - 刑事訴訟法 附則第五条第三項（控訴裁判所による出頭命令に関する経過措置） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-5/par-3 - 刑事訴訟法 附則第八条第五項（刑事訴訟法に係る拘禁刑に関する経過措置等） — https://japanlaw.org/ja/code-of-criminal-procedure/suppl-5051-28/art-8/par-5 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 刑事訴訟法 — the text in force from 2026-10-20 (https://laws.e-gov.go.jp/law/323AC0000000131/20261020_508AC0000000067), retrieved 2026-11-06 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch code-of-criminal-procedure-20261106T054114-025, translated 2026-11-06 - This site's parser, version 225 — 刑事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-11-06