The law as Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) leaves it, with the words it changes marked.
The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.
Article 226第二百二十六条
Requesting the Sending of a Document(文書送付の嘱託)
Article 226, paragraph (1)
Notwithstanding the provisions of Article 219, documentary evidence may be offered by petitioning the court to request the person in possession of the document to send the document; provided, however, that this does not apply if a party may request the issuance of an authenticated copy or transcript of the document pursuant to law or regulation.
If the court finds it necessary, it may retain a document submitted or sent to it.
裁判所は、必要があると認めるときは、提出又は送付に係る文書を留め置くことができる。
Article 227, paragraph (2)
The provisions of Article 132-13 do not apply to the document that was submitted or sent.
提出又は送付に係る文書については、第百三十二条の十三の規定は、適用しない。
Article 228第二百二十八条
Provenance of Documents(文書の成立)
Article 228, paragraph (1)
A document must be proven to be of authentic provenance.
文書は、その成立が真正であることを証明しなければならない。
Article 228, paragraph (2)
If a document is found, in light of its form and purport, to have been prepared by a public officer in the course of duties, it is presumed to be an official document of authentic provenance.
If there is any doubt about the authenticity of an official document's provenance, the court may inquire of that government agency or public office sua sponte.
If a private document has been signed by, or bears the seal of, the principal or an agent, it is presumed to be of authentic provenance.
私文書は、本人又はその代理人の署名又は押印があるときは、真正に成立したものと推定する。
Article 228, paragraph (5)
The provisions of paragraphs (2) and (3) apply mutatis mutandis to a document that is found to have been prepared by a foreign government agency or public office.
第二項及び第三項の規定は、外国の官庁又は公署の作成に係るものと認めるべき文書について準用する。
Article 229第二百二十九条
Proof by Comparison of Handwriting(筆跡等の対照による証明)
Article 229, paragraph (1)
The authenticity or inauthenticity of a document's provenance may be proven by a comparison of handwriting or seal impressions.
文書の成立の真否は、筆跡又は印影の対照によっても、証明することができる。
Article 229, paragraph (2)
The provisions of Article 219; Article 223; Article 224, paragraphs (1) and (2); Article 226; and Article 227, paragraph (1) apply mutatis mutandis to the submission or sending of a document or any other object that contains the handwriting or seal impression to be used for comparison.
If there is no sample of the adverse party's handwriting which is suitable for comparison, the court may order the adverse party to write graphic symbols to be used for comparison.
If the adverse party fails to comply with a ruling as referred to in the provisions of the preceding paragraph without a legitimate reason for failing to do so, the court may find the allegations of the party that offers evidence concerning the authenticity or inauthenticity of the document's provenance to be true. The same applies if the adverse party writes the graphic symbols in a style of handwriting that is different from the adverse party's own.
If a third party fails to comply with a ruling to submit under the provisions of Article 223, paragraph (1) as applied mutatis mutandis pursuant to paragraph (2) without a legitimate reason for failing to do so, the court issues a ruling sentencing the third party to a civil fine of not more than 100,000 yen.
An immediate appeal may be filed against a ruling as referred to in the preceding paragraph.
前項の決定に対しては、即時抗告をすることができる。
Article 230第二百三十条
Civil Fines Against a Party Challenging the Authenticity of a Document's Provenance(文書の成立の真正を争った者に対する過料)
Article 230, paragraph (1)
If a party or their agent, intentionally or through gross negligence, has diverged from the truth in challenging the authenticity of a document's provenance, the court issues a ruling sentencing that person to a civil fine of not more than 100,000 yen.
An immediate appeal may be filed against a ruling as referred to in the preceding paragraph.
前項の決定に対しては、即時抗告をすることができる。
Article 230, paragraph (3)
In a case as referred to in paragraph (1), if the party or agent that challenges the authenticity of a document's provenance admits, while litigation is pending, that the document is of authentic provenance the court may set aside the ruling referred to in that paragraph, depending on the circumstances.
Mutatis Mutandis Application to Objects Equivalent to Documents(文書に準ずる物件への準用)
Article 231, paragraph (1)
The provisions of this Section apply mutatis mutandis to drawings, photographs, audiotapes, videotapes, and any other objects prepared for the purpose of indicating information, other than documents.
Section 5-2 Examinations of Evidence That Involve the Content of Information Recorded in Electronic or Magnetic Records第五節の二 電磁的記録に記録された情報の内容に係る証拠調べ
Article 231-2第二百三十一条の二
Requesting the Court to Examine Evidence in Connection with the Content of Information Recorded in Electronic or Magnetic Records(電磁的記録に記録された情報の内容に係る証拠調べの申出)
Article 231-2, paragraph (1)
A person must file a request for the court to examine evidence in connection with the content of information recorded in an electronic or magnetic record while either submitting the electronic or magnetic record or petitioning the court to order the person with the authority to use that electronic or magnetic record to submit it.
As provided for by the Rules of the Supreme Court, a person must submit an electronic or magnetic record under the provisions of the preceding paragraph by submitting a recording medium on which the electronic or magnetic record has been recorded or by using an electronic data processing system as specified by the Rules of the Supreme Court.
Mutatis Mutandis Application of Provisions Concerning Documentary Evidence(書証の規定の準用等)
Article 231-3, paragraph (1)
The provisions of Articles 220 through 228 (excluding paragraph (4) of that Article) and Article 230 apply mutatis mutandis to the examination of evidence under paragraph (1) of the preceding Article. In such a case, the phrase "the person in possession of a document" in Article 220, Article 221, paragraph (1), item (iii), Article 222, Article 223, paragraph (1) and paragraphs (4) through (6) and Article 226 is deemed to be replaced with "the person with the authority to use an electronic or magnetic record"; the phrase "personally in possession of a document" in Article 220, item (i) is deemed to be replaced with "personally authorized to use an electronic or magnetic record"; the term "deliver" in item (ii) of that Article is deemed to be replaced with "provide"; the phrase "a document held by the State or a local public entity" in item (iv)(d) of that Article is deemed to be replaced with "an electronic or magnetic record that the State or a local public entity is authorized to use"; the terms "documents" and "a document" in (e) of that item are deemed to be replaced with "electronic or magnetic records" and "an electronic or magnetic record recorded in a recording medium", respectively; the phrase "order to submit documents" in Article 221 (including the title), Article 222, the title of Article 223, Article 223, paragraphs (1), (3), (6) and (7), the title of Article 224, Article 224, paragraph (1), the title of Article 225 and Article 225, paragraph (1) is deemed to be replaced with "order to submit electronic or magnetic records"; the phrase "the content of that document" in Article 224, paragraphs (1) and (3) is deemed to be replaced with "the content of information recorded in the electronic or magnetic records"; the phrase "Article 219" in Article 226 is deemed to be replaced with "Article 231-2, paragraph (1)"; the phrase "the issuance of an authenticated copy or transcript of the document" in the proviso to that Article is to be deemed to be replaced with "the issuance of a document certifying the full particulars of information recorded in the electronic or magnetic record or the provisions of an electronic or magnetic record certifying the full particulars of the information"; the term "a document" in Article 227 is deemed to be replaced with "a recording medium storing electronic or magnetic record"; the phrase "an official document of authentic provenance" in Article 228, paragraph (2) is deemed to be replaced with "of authentic provenance"; and the term "an official document" in paragraph (3) of that Article is deemed to be replaced with "an electronic or magnetic record to be created by a public office or public officer".
As provided for by the Rules of the Supreme Court, a person is to submit an electronic or magnetic record subject to an order under Article 223, paragraph (1) as applied mutatis mutandis pursuant to the preceding paragraph or to transmit electronic or magnetic records subject to a request under Article 226 as applied mutatis mutandis pursuant to the preceding paragraph by submitting or sending a recording medium on which the electronic or magnetic record has been stored or by using an electronic data processing system as specified by the Rules of the Supreme Court.
Presentation of an Object for Inspection(検証の目的の提示等)
Article 232, paragraph (1)
The provisions of Articles 219, 223, 224, 226, and 227, paragraph (1) apply mutatis mutandis to the presentation or sending of an object for inspection.
If a third party fails to comply with an order to submit under the provisions of Article 223, paragraph (1) as applied mutatis mutandis pursuant to the preceding paragraph without a legitimate reason for failing to do so, the court issues a ruling sentencing the third party to a civil fine of not more than 200,000 yen.
An immediate appeal may be filed against a ruling as referred to in the preceding paragraph.
前項の決定に対しては、即時抗告をすることができる。
Article 232-2第二百三十二条の二
Inspection of Evidence Using Audiovisual Transmissions(映像等の送受信による方法による検証)
Article 232-2, paragraph (1)
If neither party objects and the court finds it to be appropriate, the court may inspect evidence using a means that enables it to gain an awareness of the state of the thing being inspected through audio and visual transmissions, as provided by the Rules of the Supreme Court.
Expert Testimony During the Inspection of Evidence(検証の際の鑑定)
Article 233, paragraph (1)
If the court or an authorized or commissioned judge finds that it will be necessary in the inspection of evidence, the court or judge may order expert testimony.
If the court finds circumstances to be such that, unless the examination of evidence is conducted in advance, it will be difficult to use the evidence, the court, upon petition, may conduct an examination of the evidence under the provisions of this Chapter.
A petition for the preservation of evidence that is filed after the filing of an action, must be filed with the court of the instance in which the evidence is to be used; provided, however, that during the time from after the first date for oral arguments has been designated or from after the case is referred to preparatory proceedings or written preparatory proceedings until oral arguments are concluded, such a petition must be filed with the court in charge of the case.
A petition for the preservation of evidence that is filed before the filing of an action, must be filed with the district court or summary court that has jurisdiction over the residence of the person to be examined, person in possession of the document in question, or person with the authority to use the electronic or magnetic records or the location of the object to be inspected.
If there are pressing circumstances, a petition for the preservation of evidence may be filed with the district court or summary court referred to in the preceding paragraph, even after the filing of an action.
Handling When the Adverse Party Cannot Be Designated(相手方の指定ができない場合の取扱い)
Article 236, paragraph (1)
A petition for the preservation of evidence may be filed even if the adverse party cannot be designated. In such a case, the court may appoint a special representative on behalf of the person that would be the adverse party.
Preservation of Evidence by the Court Sua Sponte(職権による証拠保全)
Article 237, paragraph (1)
If the court finds it to be necessary, while litigation is pending, it may issue a ruling to preserve evidence sua sponte.
裁判所は、必要があると認めるときは、訴訟の係属中、職権で、証拠保全の決定をすることができる。
Article 238第二百三十八条
Non-Permission of Appeal(不服申立ての不許)
Article 238, paragraph (1)
No appeal may be entered against a ruling to preserve evidence.
証拠保全の決定に対しては、不服を申し立てることができない。
Article 239第二百三十九条
Examination of Evidence by an Authorized Judge(受命裁判官による証拠調べ)
Article 239, paragraph (1)
In a case as referred to in the proviso to Article 235, paragraph (1), the court may have an authorized judge examine evidence.
第二百三十五条第一項ただし書の場合には、裁判所は、受命裁判官に証拠調べをさせることができる。
Article 240第二百四十条
Summons to a Court Date(期日の呼出し)
Article 240, paragraph (1)
The petitioner and the adverse party must be summoned to appear on a date for examination of evidence; provided, however, that this does not apply in a case requiring urgency.
Expenses for the Preservation of Evidence(証拠保全の費用)
Article 241, paragraph (1)
Expenses for the preservation of evidence constitute part of the court costs.
証拠保全に関する費用は、訴訟費用の一部とする。
Article 242第二百四十二条
Re-Examination During Oral Arguments(口頭弁論における再尋問)
Article 242, paragraph (1)
If a party has requested that a witness who was examined during proceedings for the preservation of evidence be examined during oral arguments, the court must examine the witness.