# 刑事訴訟法 / Code of Criminal Procedure — 第三百十二条 (Article 312) This is the Markdown twin of https://japanlaw.org/ja/code-of-criminal-procedure/art-312. 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: 第三百十二条 (Article 312) — address `art-312` - Text in force since: 2026-10-20 - URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/art-312 - 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. --- ### 第三百十二条 art-312 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312 **第一項** 裁判所は、検察官の請求があるときは、公訴事実の同一性を害しない限度において、起訴状に記載された訴因又は罰条の追加、撤回又は変更を許さなければならない。 art-312/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-1 The court must, upon the public prosecutor's request, allow the addition, withdrawal or alteration of the counts or applicable penal statutes in the charging sheet so far as this does not modify the identity of the charged facts. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 裁判所は、審理の経過に鑑み適当と認めるときは、訴因又は罰条を追加又は変更すべきことを命ずることができる。 art-312/par-2 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-2 The court may order the public prosecutor to add or alter a count or applicable penal statute when the court deems it appropriate during the course of the proceedings. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項の請求は、書面を提出してしなければならない。 art-312/par-3 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-3 The request under paragraph (1) must be made by submitting a document. machine translation, not official **第四項** 検察官は、第一項の請求と同時に、被告人に送達するものとして、前項の書面（以下「訴因変更等請求書面」という。）の謄本を裁判所に提出しなければならない。 art-312/par-4 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-4 At the same time as the request under paragraph (1), the public prosecutor must submit to the court a transcript of the document referred to in the preceding paragraph (hereinafter referred to as the "written request for alteration of counts, etc.") to be served on the defendant. machine translation, not official **第五項** 裁判所は、前項の規定による訴因変更等請求書面の謄本の提出があつたときは、遅滞なくこれを被告人に送達しなければならない。 art-312/par-5 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-5 When the transcript of the written request for alteration of counts, etc. has been submitted pursuant to the provisions of the preceding paragraph, the court must serve it on the defendant without delay. machine translation, not official **第六項** 第三項の規定にかかわらず、被告人が在廷する公判廷においては、第一項の請求は、口頭ですることができる。この場合においては、第四項の規定は、適用しない。 art-312/par-6 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-6 Notwithstanding the provisions of paragraph (3), in open court where the defendant is present, the request under paragraph (1) may be made orally. In this case, the provisions of paragraph (4) do not apply. machine translation, not official **第七項** 裁判所は、訴因又は罰条の追加又は変更により被告人の防御に実質的な不利益を生ずるおそれがあると認めるときは、被告人又は弁護人の請求により、決定で、被告人に十分な防御の準備をさせるため必要な期間公判手続を停止しなければならない。 art-312/par-7 · https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-7 The court must, when it deems the addition or alteration in the count or the applicable penal statute may cause substantial disadvantage to the defense of the defendant, rule to suspend the trial for a period necessary for the defendant to prepare for a sufficient defense, upon the request of the defendant or the defense counsel. machine translation, not official --- ## Cites - art-312/par-3: 第一項 → 刑事訴訟法 第三百十二条第一項 (Article 312, paragraph (1)), art-312/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-1 - art-312/par-4: 第一項 → 刑事訴訟法 第三百十二条第一項 (Article 312, paragraph (1)), art-312/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-1 - art-312/par-4: 前項 → 刑事訴訟法 第三百十二条第三項 (Article 312, paragraph (3)), art-312/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-3 - art-312/par-5: 前項 → 刑事訴訟法 第三百十二条第四項 (Article 312, paragraph (4)), art-312/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-4 - art-312/par-6: 第三項 → 刑事訴訟法 第三百十二条第三項 (Article 312, paragraph (3)), art-312/par-3 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-3 - art-312/par-6: 第一項 → 刑事訴訟法 第三百十二条第一項 (Article 312, paragraph (1)), art-312/par-1 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-1 - art-312/par-6: 第四項 → 刑事訴訟法 第三百十二条第四項 (Article 312, paragraph (4)), art-312/par-4 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-4 ## Cited by 13 provisions cite this one. No official source publishes this direction. - 不正競争防止法 第二十三条第五項（営業秘密の秘匿決定等） — https://japanlaw.org/ja/unfair-competition-prevention-act/art-23/par-5 (e-Gov law ID 405AC0000000047) - 刑事訴訟法 第二百九十条の二第四項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-290-2/par-4 - 刑事訴訟法 第二百九十九条の四第二項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-2 - 刑事訴訟法 第二百九十九条の四第四項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-4/par-4 - 刑事訴訟法 第二百九十九条の五第二項第一号 — https://japanlaw.org/ja/code-of-criminal-procedure/art-299-5/par-2/item-1 - 刑事訴訟法 第三百十二条第三項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-3 - 刑事訴訟法 第三百十二条第四項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-4 - 刑事訴訟法 第三百十二条第五項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-5 - 刑事訴訟法 第三百十二条第六項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312/par-6 - 刑事訴訟法 第三百十二条の二第一項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312-2/par-1 - 刑事訴訟法 第三百十二条の二第三項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-312-2/par-3 - 刑事訴訟法 第三百十六条の三十三第三項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-316-33/par-3 - 刑事訴訟法 第三百五十条の十三第二項 — https://japanlaw.org/ja/code-of-criminal-procedure/art-350-13/par-2 --- ## 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-20261106T054114-011, 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