# 民法 / Civil Code — 第九十五条 (Article 95)

- Law: 民法 (Civil Code), 明治二十九年法律第八十九号
- English title "Civil Code": 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: 第九十五条 (Article 95)（錯誤） — address `art-95`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-95
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-95
- 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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### 第九十五条（錯誤） — (Mistakes)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-95 · https://japanlaw.org/ja/civil-code/art-95 · https://japanlaw.org/l/129AC0000000089/art-95</sup>

    **第一項**  意思表示は、次に掲げる錯誤に基づくものであって、その錯誤が法律行為の目的及び取引上の社会通念に照らして重要なものであるときは、取り消すことができる。
    <sup>art-95/par-1 · https://japanlaw.org/ja/civil-code/art-95/par-1 · https://japanlaw.org/l/129AC0000000089/art-95/par-1</sup>
    A manifestation of intention may be revoked if it is based on either of the following mistakes, and the mistake is material in light of the purpose of the juridical act and common sense trading practices:
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **一**  意思表示に対応する意思を欠く錯誤
      <sup>art-95/par-1/item-1 · https://japanlaw.org/ja/civil-code/art-95/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/art-95/par-1/item-1</sup>
      a mistake wherein the person lacks the intention that corresponds to the manifestation of intention; or
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **二**  表意者が法律行為の基礎とした事情についてのその認識が真実に反する錯誤
      <sup>art-95/par-1/item-2 · https://japanlaw.org/ja/civil-code/art-95/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-95/par-1/item-2</sup>
      a mistake wherein the person making the manifestation of intention holds an understanding that does not correspond to the truth with regard to the circumstances which the person has taken as the basis for the juridical act.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **第二項**  前項第二号の規定による意思表示の取消しは、その事情が法律行為の基礎とされていることが表示されていたときに限り、することができる。
    <sup>art-95/par-2 · https://japanlaw.org/ja/civil-code/art-95/par-2 · https://japanlaw.org/l/129AC0000000089/art-95/par-2</sup>
    A manifestation of intention under the provisions of item (ii) of the preceding paragraph may be revoked only if it has been indicated that the circumstances in question are being taken as the basis for the juridical act.
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **第三項**  錯誤が表意者の重大な過失によるものであった場合には、次に掲げる場合を除き、第一項の規定による意思表示の取消しをすることができない。
    <sup>art-95/par-3 · https://japanlaw.org/ja/civil-code/art-95/par-3 · https://japanlaw.org/l/129AC0000000089/art-95/par-3</sup>
    If a mistake is due to gross negligence on the part of the person making the manifestation of intention, that person may not revoke a manifestation of intention as under paragraph (1), except in the following cases:
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **一**  相手方が表意者に錯誤があることを知り、又は重大な過失によって知らなかったとき。
      <sup>art-95/par-3/item-1 · https://japanlaw.org/ja/civil-code/art-95/par-3/item-1 · https://japanlaw.org/l/129AC0000000089/art-95/par-3/item-1</sup>
      if the other party knew, or did not know due to gross negligence, of the mistake on the part of the person making the manifestation of intention; or
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **二**  相手方が表意者と同一の錯誤に陥っていたとき。
      <sup>art-95/par-3/item-2 · https://japanlaw.org/ja/civil-code/art-95/par-3/item-2 · https://japanlaw.org/l/129AC0000000089/art-95/par-3/item-2</sup>
      if the other party was under the same mistake as the person making the manifestation of intention.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **第四項**  第一項の規定による意思表示の取消しは、善意でかつ過失がない第三者に対抗することができない。
    <sup>art-95/par-4 · https://japanlaw.org/ja/civil-code/art-95/par-4 · https://japanlaw.org/l/129AC0000000089/art-95/par-4</sup>
    The revocation of a manifestation of intention under the provisions of paragraph (1) may not be duly asserted against a third party in good faith acting without negligence.
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-95/par-2: 前項第二号 → 民法 第九十五条第一項第二号 (Article 95, paragraph (1), item (ii)), art-95/par-1/item-2 — https://japanlaw.org/ja/civil-code/art-95/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-95/par-1/item-2
- art-95/par-3: 第一項 → 民法 第九十五条第一項 (Article 95, paragraph (1)), art-95/par-1 — https://japanlaw.org/ja/civil-code/art-95/par-1 · https://japanlaw.org/l/129AC0000000089/art-95/par-1
- art-95/par-4: 第一項 → 民法 第九十五条第一項 (Article 95, paragraph (1)), art-95/par-1 — https://japanlaw.org/ja/civil-code/art-95/par-1 · https://japanlaw.org/l/129AC0000000089/art-95/par-1

## Cited by

4 provisions cite this one. No official source publishes this direction.

- 民法 第九十五条第二項（錯誤） — https://japanlaw.org/ja/civil-code/art-95/par-2 · https://japanlaw.org/l/129AC0000000089/art-95/par-2
- 民法 第九十五条第三項（錯誤） — https://japanlaw.org/ja/civil-code/art-95/par-3 · https://japanlaw.org/l/129AC0000000089/art-95/par-3
- 民法 第九十五条第四項（錯誤） — https://japanlaw.org/ja/civil-code/art-95/par-4 · https://japanlaw.org/l/129AC0000000089/art-95/par-4
- 民法 附則第六条第一項（意思表示に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4291-44/art-6/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-6/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 民法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/129AC0000000089/20260624_508AC0000000045), retrieved 2026-10-11
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Civil Code — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4848/tb), retrieved 2026-10-11
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11