# 民法 / Civil Code — 第四百六十五条の六 (Article 465-6)

- 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: 第四百六十五条の六 (Article 465-6)（公正証書の作成と保証の効力） — address `art-465-6`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-465-6
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-465-6
- 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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### 第四百六十五条の六（公正証書の作成と保証の効力） — (Preparation of Notarial Instrument and Effect of Guarantee)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-465-6 · https://japanlaw.org/en/civil-code/art-465-6 · https://japanlaw.org/l/129AC0000000089/art-465-6</sup>

        **第一項**  事業のために負担した貸金等債務を主たる債務とする保証契約又は主たる債務の範囲に事業のために負担する貸金等債務が含まれる根保証契約は、その契約の締結に先立ち、その締結の日前一箇月以内に作成された公正証書で保証人になろうとする者が保証債務を履行する意思を表示していなければ、その効力を生じない。
        <sup>art-465-6/par-1 · https://japanlaw.org/en/civil-code/art-465-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-1</sup>
        A guarantee contract under which the principal obligation is a loan obligation assumed for business or a contract for a revolving guarantee under which the scope of the principal obligation includes a loan obligation assumed for business does not become effective unless the person intending to become a guarantor manifests, before the conclusion of the contract, the intention to perform the guarantee obligation by means of a notarial instrument prepared within one month before the day of conclusion of the contract.
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **第二項**  前項の公正証書を作成するには、次に掲げる方式に従わなければならない。
        <sup>art-465-6/par-2 · https://japanlaw.org/en/civil-code/art-465-6/par-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2</sup>
        The notarial instrument referred to in the preceding paragraph must be prepared in compliance with the following formalities:
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **一**  保証人になろうとする者が、次のイ又はロに掲げる契約の区分に応じ、それぞれ当該イ又はロに定める事項を公証人に口授すること。
          <sup>art-465-6/par-2/item-1 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-1</sup>
          the person intending to become a guarantor gives the notary oral instructions regarding the particulars specified in (a) or (b) below for the category of contract stated in this:
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

            **イ**  保証契約（ロに掲げるものを除く。）　主たる債務の債権者及び債務者、主たる債務の元本、主たる債務に関する利息、違約金、損害賠償その他その債務に従たる全てのものの定めの有無及びその内容並びに主たる債務者がその債務を履行しないときには、その債務の全額について履行する意思（保証人になろうとする者が主たる債務者と連帯して債務を負担しようとするものである場合には、債権者が主たる債務者に対して催告をしたかどうか、主たる債務者がその債務を履行することができるかどうか、又は他に保証人があるかどうかにかかわらず、その全額について履行する意思）を有していること。
            <sup>art-465-6/par-2/item-1/sub-1 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-1/sub-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-1/sub-1</sup>
            a guarantee contract (excluding the one stated in (b)):the obligee and obligor of the principal obligation, the principal of the principal obligation, whether any interest, penalty or damages in connection with the principal obligation or any other charges secondary to the obligation are provided for in the contract and, if so, its details, as well as the fact that the person intending to become a guarantor has the intention to pay the entire amount of the obligation if the principal obligor fails to perform the obligation (if the person intending to become a guarantor intends to assume the obligation jointly and severally with the principal obligor, the intention to pay the entire amount of the obligation, regardless of whether the obligee has made a demand to the principal obligor, whether the principal obligor is able to perform the obligation, or whether the principal obligor has any other guarantor); or
            <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

            **ロ**  根保証契約　主たる債務の債権者及び債務者、主たる債務の範囲、根保証契約における極度額、元本確定期日の定めの有無及びその内容並びに主たる債務者がその債務を履行しないときには、極度額の限度において元本確定期日又は第四百六十五条の四第一項各号若しくは第二項各号に掲げる事由その他の元本を確定すべき事由が生ずる時までに生ずべき主たる債務の元本及び主たる債務に関する利息、違約金、損害賠償その他その債務に従たる全てのものの全額について履行する意思（保証人になろうとする者が主たる債務者と連帯して債務を負担しようとするものである場合には、債権者が主たる債務者に対して催告をしたかどうか、主たる債務者がその債務を履行することができるかどうか、又は他に保証人があるかどうかにかかわらず、その全額について履行する意思）を有していること。
            <sup>art-465-6/par-2/item-1/sub-2 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-1/sub-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-1/sub-2</sup>
            a contract for a revolving guarantee:the obligee and obligor of the principal obligation, the scope of the principal obligation, the maximum amount under the contract for revolving guarantee, whether the principal fixed date is provided for in the contract and, if so, its details, as well as the fact that the person intending to become a guarantor has the intention to pay the entire amount of the obligation with regard to the principal of the principal obligation and any interest, penalty, and damages in connection with the principal obligation and any other charges secondary to the obligation, which are to arise by the principal fixed date or the time when an event that causes the crystallization of the principal takes place, such as the events stated in the items of Article 465-4, paragraph (1) or the items of paragraph (2) of that Article, up to the maximum amount, if the principal obligor fails to perform the obligation (if the person intending to become a guarantor s to assume the obligation jointly and severally with the principal obligor, the intention to pay the entire amount of the obligation, regardless of whether the obligee has made a demand to the principal obligor, whether the principal obligor is able to perform the obligation, or whether the principal obligor has any other guarantor);
            <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **二**  公証人が、保証人になろうとする者の口述を筆記し、これを保証人になろうとする者に読み聞かせ、又は閲覧させること。
          <sup>art-465-6/par-2/item-2 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-2</sup>
          the notary takes dictation from the person intending to become the guarantor, and reads this aloud to, or allows its inspection by, the person intending to become the guarantor;
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **三**  保証人になろうとする者が、筆記の正確なことを承認した後、署名し、印を押すこと。ただし、保証人になろうとする者が署名することができない場合は、公証人がその事由を付記して、署名に代えることができる。
          <sup>art-465-6/par-2/item-3 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-3 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-3</sup>
          the person intending to become a guarantor signs and seals the instrument after having approved the accuracy of the dictation taken by the notary; provided, however, that if the person intending to become a guarantor is unable to sign, the notary may include a supplementary note giving the reason therefor in lieu of the signature of that person; and
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

          **四**  公証人が、その証書は前三号に掲げる方式に従って作ったものである旨を付記して、これに署名し、印を押すこと。
          <sup>art-465-6/par-2/item-4 · https://japanlaw.org/en/civil-code/art-465-6/par-2/item-4 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-4</sup>
          the notary includes a supplementary note to the effect that the instrument has been prepared in compliance with the formalities stated in the preceding three items, and signs and seals the instrument.
          <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

        **第三項**  前二項の規定は、保証人になろうとする者が法人である場合には、適用しない。
        <sup>art-465-6/par-3 · https://japanlaw.org/en/civil-code/art-465-6/par-3 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-3</sup>
        The provisions of the preceding two paragraphs do not apply if the person intending to become a guarantor is a corporation.
        <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-465-6/par-2: 前項 → 民法 第四百六十五条の六第一項 (Article 465-6, paragraph (1)), art-465-6/par-1 — https://japanlaw.org/en/civil-code/art-465-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-1
- art-465-6/par-2/item-1/sub-2: 第四百六十五条の四第一項 → 民法 第四百六十五条の四第一項 (Article 465-4, paragraph (1)), art-465-4/par-1 — https://japanlaw.org/en/civil-code/art-465-4/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-4/par-1
- art-465-6/par-2/item-1/sub-2: 第二項 → 民法 第四百六十五条の四第二項 (Article 465-4, paragraph (2)), art-465-4/par-2 — https://japanlaw.org/en/civil-code/art-465-4/par-2 · https://japanlaw.org/l/129AC0000000089/art-465-4/par-2
- art-465-6/par-2/item-4: 前三号 → 民法 第四百六十五条の六第二項第一号 (Article 465-6, paragraph (2), item (i)), art-465-6/par-2/item-1 — https://japanlaw.org/en/civil-code/art-465-6/par-2/item-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-1
- art-465-6/par-2/item-4: 前三号 → 民法 第四百六十五条の六第二項第二号 (Article 465-6, paragraph (2), item (ii)), art-465-6/par-2/item-2 — https://japanlaw.org/en/civil-code/art-465-6/par-2/item-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-2
- art-465-6/par-2/item-4: 前三号 → 民法 第四百六十五条の六第二項第三号 (Article 465-6, paragraph (2), item (iii)), art-465-6/par-2/item-3 — https://japanlaw.org/en/civil-code/art-465-6/par-2/item-3 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-3
- art-465-6/par-3: 前二項 → 民法 第四百六十五条の六第一項 (Article 465-6, paragraph (1)), art-465-6/par-1 — https://japanlaw.org/en/civil-code/art-465-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-1
- art-465-6/par-3: 前二項 → 民法 第四百六十五条の六第二項 (Article 465-6, paragraph (2)), art-465-6/par-2 — https://japanlaw.org/en/civil-code/art-465-6/par-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2

## Cited by

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

- 民法 第四百六十五条の六第二項（公正証書の作成と保証の効力） — https://japanlaw.org/en/civil-code/art-465-6/par-2 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2
- 民法 第四百六十五条の六第二項第四号（公正証書の作成と保証の効力） — https://japanlaw.org/en/civil-code/art-465-6/par-2/item-4 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-2/item-4
- 民法 第四百六十五条の六第三項（公正証書の作成と保証の効力） — https://japanlaw.org/en/civil-code/art-465-6/par-3 · https://japanlaw.org/l/129AC0000000089/art-465-6/par-3
- 民法 第四百六十五条の七第一項（保証に係る公正証書の方式の特則） — https://japanlaw.org/en/civil-code/art-465-7/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-7/par-1
- 民法 第四百六十五条の七第二項（保証に係る公正証書の方式の特則） — https://japanlaw.org/en/civil-code/art-465-7/par-2 · https://japanlaw.org/l/129AC0000000089/art-465-7/par-2
- 民法 第四百六十五条の八第一項（公正証書の作成と求償権についての保証の効力） — https://japanlaw.org/en/civil-code/art-465-8/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-8/par-1
- 民法 第四百六十五条の九第一項（公正証書の作成と保証の効力に関する規定の適用除外） — https://japanlaw.org/en/civil-code/art-465-9/par-1 · https://japanlaw.org/l/129AC0000000089/art-465-9/par-1
- 民法 附則第二十一条第二項（保証債務に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4291-44/art-21/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-21/par-2
- 民法 附則第二十一条第三項（保証債務に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4291-44/art-21/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-21/par-3

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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
