# 民事訴訟法 / Code of Civil Procedure — 第百七十一条 (Article 171) - Law: 民事訴訟法 (Code of Civil Procedure), 平成八年法律第百九号 - English title "Code of Civil 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: 第百七十一条 (Article 171)（受命裁判官による弁論準備手続） — address `art-171` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-civil-procedure/art-171 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/408AC0000000109/art-171 - 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. --- ### 第百七十一条（受命裁判官による弁論準備手続） — (Preparatory Proceedings by an Authorized Judge) caption: Ministry of Justice translation — Japanese Law Translation Database System art-171 · https://japanlaw.org/ja/code-of-civil-procedure/art-171 · https://japanlaw.org/l/408AC0000000109/art-171 **第一項** 裁判所は、受命裁判官に弁論準備手続を行わせることができる。 art-171/par-1 · https://japanlaw.org/ja/code-of-civil-procedure/art-171/par-1 · https://japanlaw.org/l/408AC0000000109/art-171/par-1 The court may have an authorized judge conduct preparatory proceedings. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 弁論準備手続を受命裁判官が行う場合には、前二条の規定による裁判所及び裁判長の職務（前条第二項に規定する裁判を除く。）は、その裁判官が行う。ただし、同条第五項において準用する第百五十条の規定による異議についての裁判及び同項において準用する第百五十七条の二の規定による却下についての裁判は、受訴裁判所がする。 art-171/par-2 · https://japanlaw.org/ja/code-of-civil-procedure/art-171/par-2 · https://japanlaw.org/l/408AC0000000109/art-171/par-2 When an authorized judge conducts preparatory proceedings, the court's and the presiding judge's duties under the provisions of the preceding two Articles (excluding the reaching of a judicial decision prescribed in paragraph (2) of the preceding Article) are performed by the authorized judge; provided, however, that a judicial decision on an objection under the provisions of Article 150 as applied mutatis mutandis pursuant to paragraph (5) of that Article and a judicial decision on denial under the provisions of Article 157-2 as applied mutatis mutandis pursuant to that paragraph are reached by the court in charge of the case. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 弁論準備手続を行う受命裁判官は、第百八十六条第一項の規定による調査の嘱託、鑑定の嘱託、文書（第二百三十一条に規定する物件を含む。）を提出してする書証の申出及び電磁的記録を提出してする証拠調べの申出並びに文書（第二百二十九条第二項及び第二百三十一条に規定する物件を含む。）及び電磁的記録の送付の嘱託についての裁判をすることができる。 art-171/par-3 · https://japanlaw.org/ja/code-of-civil-procedure/art-171/par-3 · https://japanlaw.org/l/408AC0000000109/art-171/par-3 An authorized judge who conducts preparatory proceedings may reach a judicial decision to commission an investigation under the provisions of Article 186, paragraph (1) or to request expert testimony, a judicial decision regarding the offering of documentary evidence following the submission of documents (including the objects prescribed in Article 231) or the offering for examination of evidence following the submission of electronic or magnetic records, or a judicial decision to request the sending of documents (including the objects prescribed in Article 229, paragraph (2) and Article 231) and electronic or magnetic records. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-171/par-2: 前二条 → 民事訴訟法 第百六十九条 (Article 169), art-169 — https://japanlaw.org/ja/code-of-civil-procedure/art-169 · https://japanlaw.org/l/408AC0000000109/art-169 - art-171/par-2: 前二条 → 民事訴訟法 第百七十条 (Article 170), art-170 — https://japanlaw.org/ja/code-of-civil-procedure/art-170 · https://japanlaw.org/l/408AC0000000109/art-170 - art-171/par-2: 前条第二項 → 民事訴訟法 第百七十条第二項 (Article 170, paragraph (2)), art-170/par-2 — https://japanlaw.org/ja/code-of-civil-procedure/art-170/par-2 · https://japanlaw.org/l/408AC0000000109/art-170/par-2 - art-171/par-2: 同条第五項 → 民事訴訟法 第百七十条第五項 (Article 170, paragraph (5)), art-170/par-5 — https://japanlaw.org/ja/code-of-civil-procedure/art-170/par-5 · https://japanlaw.org/l/408AC0000000109/art-170/par-5 - art-171/par-2: 第百五十条 → 民事訴訟法 第百五十条 (Article 150), art-150 — https://japanlaw.org/ja/code-of-civil-procedure/art-150 · https://japanlaw.org/l/408AC0000000109/art-150 - art-171/par-2: 第百五十七条の二 → 民事訴訟法 第百五十七条の二 (Article 157-2), art-157-2 — https://japanlaw.org/ja/code-of-civil-procedure/art-157-2 · https://japanlaw.org/l/408AC0000000109/art-157-2 - art-171/par-3: 第百八十六条第一項 → 民事訴訟法 第百八十六条第一項 (Article 186, paragraph (1)), art-186/par-1 — https://japanlaw.org/ja/code-of-civil-procedure/art-186/par-1 · https://japanlaw.org/l/408AC0000000109/art-186/par-1 - art-171/par-3: 第二百三十一条 → 民事訴訟法 第二百三十一条 (Article 231), art-231 — https://japanlaw.org/ja/code-of-civil-procedure/art-231 · https://japanlaw.org/l/408AC0000000109/art-231 - art-171/par-3: 第二百二十九条第二項 → 民事訴訟法 第二百二十九条第二項 (Article 229, paragraph (2)), art-229/par-2 — https://japanlaw.org/ja/code-of-civil-procedure/art-229/par-2 · https://japanlaw.org/l/408AC0000000109/art-229/par-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 民事訴訟法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/408AC0000000109/20260624_508AC0000000046), retrieved 2026-10-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Civil Procedure — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4797/tb), retrieved 2026-10-17 - This site's parser, version 209 — 民事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-10-17