# 民法 / Civil Code — 第四百五十条 (Article 450)

- 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: 第四百五十条 (Article 450)（保証人の要件） — address `art-450`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-450
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-450
- 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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### 第四百五十条（保証人の要件） — (Requirements for Guarantor)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-450 · https://japanlaw.org/ja/civil-code/art-450 · https://japanlaw.org/l/129AC0000000089/art-450</sup>

        **第一項**  債務者が保証人を立てる義務を負う場合には、その保証人は、次に掲げる要件を具備する者でなければならない。
        <sup>art-450/par-1 · https://japanlaw.org/ja/civil-code/art-450/par-1 · https://japanlaw.org/l/129AC0000000089/art-450/par-1</sup>
        If an obligor has the obligation to provide a guarantor, that guarantor must:
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **一**  行為能力者であること。
          <sup>art-450/par-1/item-1 · https://japanlaw.org/ja/civil-code/art-450/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/art-450/par-1/item-1</sup>
          be a person with capacity to act; and
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **二**  弁済をする資力を有すること。
          <sup>art-450/par-1/item-2 · https://japanlaw.org/ja/civil-code/art-450/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-450/par-1/item-2</sup>
          have sufficient financial resources to pay the obligation.
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **第二項**  保証人が前項第二号に掲げる要件を欠くに至ったときは、債権者は、同項各号に掲げる要件を具備する者をもってこれに代えることを請求することができる。
        <sup>art-450/par-2 · https://japanlaw.org/ja/civil-code/art-450/par-2 · https://japanlaw.org/l/129AC0000000089/art-450/par-2</sup>
        If the guarantor ceases to meet the requirements stated in item (ii) of the preceding paragraph, the obligee may demand that some other person meeting the requirements stated in any item of the same paragraph be substituted for that guarantor.
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **第三項**  前二項の規定は、債権者が保証人を指名した場合には、適用しない。
        <sup>art-450/par-3 · https://japanlaw.org/ja/civil-code/art-450/par-3 · https://japanlaw.org/l/129AC0000000089/art-450/par-3</sup>
        The provisions of the preceding two paragraphs do not apply if the obligee has designated the guarantor.
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-450/par-2: 前項第二号 → 民法 第四百五十条第一項第二号 (Article 450, paragraph (1), item (ii)), art-450/par-1/item-2 — https://japanlaw.org/ja/civil-code/art-450/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-450/par-1/item-2
- art-450/par-2: 同項 → 民法 第四百五十条第一項 (Article 450, paragraph (1)), art-450/par-1 — https://japanlaw.org/ja/civil-code/art-450/par-1 · https://japanlaw.org/l/129AC0000000089/art-450/par-1
- art-450/par-3: 前二項 → 民法 第四百五十条第一項 (Article 450, paragraph (1)), art-450/par-1 — https://japanlaw.org/ja/civil-code/art-450/par-1 · https://japanlaw.org/l/129AC0000000089/art-450/par-1
- art-450/par-3: 前二項 → 民法 第四百五十条第二項 (Article 450, paragraph (2)), art-450/par-2 — https://japanlaw.org/ja/civil-code/art-450/par-2 · https://japanlaw.org/l/129AC0000000089/art-450/par-2

## Cited by

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

- 民法 第四百五十条第二項（保証人の要件） — https://japanlaw.org/ja/civil-code/art-450/par-2 · https://japanlaw.org/l/129AC0000000089/art-450/par-2
- 民法 第四百五十条第三項（保証人の要件） — https://japanlaw.org/ja/civil-code/art-450/par-3 · https://japanlaw.org/l/129AC0000000089/art-450/par-3
- 民法 第四百五十一条第一項（他の担保の供与） — https://japanlaw.org/ja/civil-code/art-451/par-1 · https://japanlaw.org/l/129AC0000000089/art-451/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