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Civil Code

民法(みんぽう)

Chapter X Mortgages (Articles 398-9 to 398-22)

The law as Act Partially Amending the Civil Code, etc. (Act No. 45 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 398-9第三百九十八条の九

Mergers of Revolving Mortgagees or Obligors(根抵当権者又は債務者の合併)
Article 398-9, paragraph (1)

If there is a merger with respect to a revolving mortgagee before the principal is fixed, the revolving mortgage secures the claims that exist at the time of the merger and otherwise secures claims that a corporation that survives the merger or a corporation that is incorporated by the merger acquires after the merger.

元本の確定前に根抵当権者について合併があったときは、根抵当権は、合併の時に存する債権のほか、合併後存続する法人又は合併によって設立された法人が合併後に取得する債権を担保する。

Article 398-9, paragraph (2)

If there is a merger with respect to an obligor before the principal is fixed, the revolving mortgage secures the obligations that exist at the time of the merger and otherwise secures the obligations that a corporation that survives the merger or a corporation that is incorporated by the merger assumes after the merger.

元本の確定前にその債務者について合併があったときは、根抵当権は、合併の時に存する債務のほか、合併後存続する法人又は合併によって設立された法人が合併後に負担する債務を担保する。

Article 398-9, paragraph (3)

In the cases provided for in the preceding two paragraphs, the mortgagor of the revolving mortgage may demand that the principal secured be fixed; provided, however, that this does not apply, in the cases referred to in the preceding paragraph, if the relevant obligor is the mortgagor of the revolving mortgage.

前二項の場合には、根抵当権設定者は、担保すべき元本の確定を請求することができる。ただし、前項の場合において、その債務者が根抵当権設定者であるときは、この限りでない。

Article 398-9, paragraph (4)

If a demand under the provisions of the preceding paragraph is made, the principal secured is deemed to have been fixed at the time of the merger.

前項の規定による請求があったときは、担保すべき元本は、合併の時に確定したものとみなす。

Article 398-9, paragraph (5)

The demand under the provisions of paragraph (3) may not be made if two weeks have passed since the day when the mortgagor of the revolving mortgage acquired knowledge of the merger. The same applies if one month has passed from the day of the merger.

第三項の規定による請求は、根抵当権設定者が合併のあったことを知った日から二週間を経過したときは、することができない。合併の日から一箇月を経過したときも、同様とする。

Article 398-10第三百九十八条の十

Company Splits of Revolving Mortgagees or Obligors(根抵当権者又は債務者の会社分割)
Article 398-10, paragraph (1)

If, before the principal is fixed, a company split in which the relevant revolving mortgagee is the company to be split is effected, the revolving mortgage secures the claims that exist at the time of the split and otherwise secures claims acquired after the split by the split company and the company incorporated by the split, or claims acquired after the split by the company that succeeded to some or all of the rights and obligations of the split company regarding its business.

元本の確定前に根抵当権者を分割をする会社とする分割があったときは、根抵当権は、分割の時に存する債権のほか、分割をした会社及び分割により設立された会社又は当該分割をした会社がその事業に関して有する権利義務の全部又は一部を当該会社から承継した会社が分割後に取得する債権を担保する。

Article 398-10, paragraph (2)

If, before the principal is fixed, a split in which the relevant obligor is the company to be split is effected, the revolving mortgage secures the obligations that exist at the time of the split and otherwise secures obligations that are assumed after the split by the split company and the company incorporated by the split, or claims acquired after the split by the company that assumed some or all of the rights and obligations of the split company regarding its business.

元本の確定前にその債務者を分割をする会社とする分割があったときは、根抵当権は、分割の時に存する債務のほか、分割をした会社及び分割により設立された会社又は当該分割をした会社がその事業に関して有する権利義務の全部又は一部を当該会社から承継した会社が分割後に負担する債務を担保する。

Article 398-10, paragraph (3)

The provisions of paragraphs (3) through (5) of the preceding Article apply mutatis mutandis to cases under the preceding two paragraphs.

前条第三項から第五項までの規定は、前二項の場合について準用する。

Article 398-11第三百九十八条の十一

Disposition of Revolving Mortgages(根抵当権の処分)
Article 398-11, paragraph (1)

Before the principal is fixed, a revolving mortgagee may not dispose of a revolving mortgage under the provisions of Article 376, paragraph (1); provided, however, that the revolving mortgagee is not precluded from applying that revolving mortgage to secure other claims.

元本の確定前においては、根抵当権者は、第三百七十六条第一項の規定による根抵当権の処分をすることができない。ただし、その根抵当権を他の債権の担保とすることを妨げない。

Article 398-11, paragraph (2)

The provisions of Article 377, paragraph (2) do not apply to payments made before the principal is fixed in the cases provided for in the proviso to the preceding paragraph.

第三百七十七条第二項の規定は、前項ただし書の場合において元本の確定前にした弁済については、適用しない。

Article 398-12第三百九十八条の十二

Assignments of Revolving Mortgages(根抵当権の譲渡)
Article 398-12, paragraph (1)

Before the principal is fixed, a revolving mortgagee may assign a revolving mortgage, with the approval of the mortgagor of the revolving mortgage.

元本の確定前においては、根抵当権者は、根抵当権設定者の承諾を得て、その根抵当権を譲り渡すことができる。

Article 398-12, paragraph (2)

A revolving mortgagee may divide the revolving mortgage into two revolving mortgages and assign either of the same pursuant to the provisions of the preceding paragraph. In this case, the rights for which that revolving mortgage is the subject is extinguished with respect to the revolving mortgage that was assigned.

根抵当権者は、その根抵当権を二個の根抵当権に分割して、その一方を前項の規定により譲り渡すことができる。この場合において、その根抵当権を目的とする権利は、譲り渡した根抵当権について消滅する。

Article 398-12, paragraph (3)

In order to effect an assignment under the provisions of the preceding paragraph, the approval of the person that holds the rights for which that revolving mortgage is the subject must be obtained.

前項の規定による譲渡をするには、その根抵当権を目的とする権利を有する者の承諾を得なければならない。

Article 398-13第三百九十八条の十三

Partial Assignments of Revolving Mortgages(根抵当権の一部譲渡)
Article 398-13, paragraph (1)

Before the principal is fixed, a revolving mortgagee may, with the approval of the mortgagor of the revolving mortgage, effect a partial assignment of the revolving mortgage (meaning assignments of revolving mortgages that the assignor effects without dividing the revolving mortgage in order to co-own the same with the assignee; the same applies in this Section below).

元本の確定前においては、根抵当権者は、根抵当権設定者の承諾を得て、その根抵当権の一部譲渡(譲渡人が譲受人と根抵当権を共有するため、これを分割しないで譲り渡すことをいう。以下この節において同じ。)をすることができる。

Article 398-14第三百九十八条の十四

Co-Ownership of Revolving Mortgages(根抵当権の共有)
Article 398-14, paragraph (1)

Co-owners of a revolving mortgage are paid in proportion to the amount of their respective claims; provided, however, that if before the principal is fixed, a proportion other than the above is agreed upon, or if it is agreed upon that a certain person will be paid before another, that agreement prevails.

根抵当権の共有者は、それぞれその債権額の割合に応じて弁済を受ける。ただし、元本の確定前に、これと異なる割合を定め、又はある者が他の者に先立って弁済を受けるべきことを定めたときは、その定めに従う。

Article 398-14, paragraph (2)

A co-owner in a revolving mortgage may, with the consent of the other co-owners, assign rights of the same pursuant to the provisions of Article 398-12, paragraph (1).

根抵当権の共有者は、他の共有者の同意を得て、第三百九十八条の十二第一項の規定によりその権利を譲り渡すことができる。

Article 398-15第三百九十八条の十五

Assignments or Waivers of Order of Priority of Mortgages and Assignments or Partial Assignments of Revolving Mortgages(抵当権の順位の譲渡又は放棄と根抵当権の譲渡又は一部譲渡)
Article 398-15, paragraph (1)

If a revolving mortgagee that has accepted an assignment or waiver of the order of priority of a mortgage has assigned or partially assigned that mortgagee's revolving mortgage, the assignee benefits from the assignment or waiver of that order of priority.

抵当権の順位の譲渡又は放棄を受けた根抵当権者が、その根抵当権の譲渡又は一部譲渡をしたときは、譲受人は、その順位の譲渡又は放棄の利益を受ける。

Article 398-16第三百九十八条の十六

Joint Revolving Mortgages(共同根抵当)
Article 398-16, paragraph (1)

The provisions of Articles 392 and 393 apply with respect to a revolving mortgage only when the fact that the revolving mortgage has been simultaneously established on several immovables to secure the same claim is registered.

第三百九十二条及び第三百九十三条の規定は、根抵当権については、その設定と同時に同一の債権の担保として数個の不動産につき根抵当権が設定された旨の登記をした場合に限り、適用する。

Article 398-17第三百九十八条の十七

Changes in Joint Revolving Mortgages(共同根抵当の変更等)
Article 398-17, paragraph (1)

A change in the scope, obligors or maximum amount of the claims to be secured, or assignment or partial assignment of the revolving mortgages for which registration is effected in accordance with the preceding Article does not take effect unless registration is effected with respect to all immovables over which that revolving mortgages are established.

前条の登記がされている根抵当権の担保すべき債権の範囲、債務者若しくは極度額の変更又はその譲渡若しくは一部譲渡は、その根抵当権が設定されているすべての不動産について登記をしなければ、その効力を生じない。

Article 398-17, paragraph (2)

The principal secured by the revolving mortgage for registered pursuant to the preceding Article is fixed even when grounds on which the principal is fixed arise only with respect to one immovable property alone.

前条の登記がされている根抵当権の担保すべき元本は、一個の不動産についてのみ確定すべき事由が生じた場合においても、確定する。

Article 398-18第三百九十八条の十八

Aggregate Revolving Mortgages(累積根抵当)
Article 398-18, paragraph (1)

A person that has a revolving mortgage on several immovables may exercise the right of priority with respect to the proceeds of each immovable property up to the respective maximum amounts, except for cases provided for in Article 398-16.

数個の不動産につき根抵当権を有する者は、第三百九十八条の十六の場合を除き、各不動産の代価について、各極度額に至るまで優先権を行使することができる。

Article 398-19第三百九十八条の十九

Requests for Fixing of Principal of Revolving Mortgages(根抵当権の元本の確定請求)
Article 398-19, paragraph (1)

If three years have passed from the time of the creation of a revolving mortgage, the mortgagor of the revolving mortgage may request the fixing of the principal secured. In this case, the principal secured is fixed when two weeks have passed since the time of that request.

根抵当権設定者は、根抵当権の設定の時から三年を経過したときは、担保すべき元本の確定を請求することができる。この場合において、担保すべき元本は、その請求の時から二週間を経過することによって確定する。

Article 398-19, paragraph (2)

A revolving mortgagee may request the fixing of the principal secured at any time. In this case, the principal secured is fixed on the request of the same.

根抵当権者は、いつでも、担保すべき元本の確定を請求することができる。この場合において、担保すべき元本は、その請求の時に確定する。

Article 398-19, paragraph (3)

The provisions of the preceding two paragraphs do not apply if the date on which the principal secured is to be fixed is specified.

前二項の規定は、担保すべき元本の確定すべき期日の定めがあるときは、適用しない。

Article 398-20第三百九十八条の二十

Grounds for Fixing of Principal of Revolving Mortgages(根抵当権の元本の確定事由)
Article 398-20, paragraph (1)

The principal secured by a revolving mortgage is fixed in the following cases:

次に掲げる場合には、根抵当権の担保すべき元本は、確定する。

Article 398-20, paragraph (1), item (i)

if the revolving mortgagee has filed, with respect to the mortgaged immovables, a petition for auction or enforcement against earnings from secured immovable property or the attachment under the provisions of Article 304 as applied mutatis mutandis pursuant to Article 372;provided, however, that these provisions apply only if the commencement of either auction procedures or enforcement against earnings from secured immovable property, or a seizure has been effected;

根抵当権者が抵当不動産について競売若しくは担保不動産収益執行又は第三百七十二条において準用する第三百四条の規定による差押えを申し立てたとき。ただし、競売手続若しくは担保不動産収益執行手続の開始又は差押えがあったときに限る。

Article 398-20, paragraph (1), item (ii)

if the revolving mortgagee has effected an attachment for disposition of delinquency against the mortgaged immovables;

根抵当権者が抵当不動産に対して滞納処分による差押えをしたとき。

Article 398-20, paragraph (1), item (iii)

if two weeks have passed from the time when the revolving mortgagee acquired knowledge of the commencement of auction procedures or seizure for disposition to collect arrears against the mortgaged immovables; or

根抵当権者が抵当不動産に対する競売手続の開始又は滞納処分による差押えがあったことを知った時から二週間を経過したとき。

Article 398-20, paragraph (1), item (iv)

if the obligor or mortgagor of the revolving mortgage has become subject to an order commencing bankruptcy proceeding.

債務者又は根抵当権設定者が破産手続開始の決定を受けたとき。

Article 398-20, paragraph (2)

If the commencement of auction procedures, the seizure under item (iii) of the preceding paragraph or the order commencing bankruptcy proceeding under item (iv) of that paragraph ceases to be effective, it is deemed that the principal secured was not fixed; provided, however, that this does not apply if a person has acquired that revolving mortgage or a right for which the revolving mortgage is the subject on the assumption that the principal was fixed.

前項第三号の競売手続の開始若しくは差押え又は同項第四号の破産手続開始の決定の効力が消滅したときは、担保すべき元本は、確定しなかったものとみなす。ただし、元本が確定したものとしてその根抵当権又はこれを目的とする権利を取得した者があるときは、この限りでない。

Article 398-21第三百九十八条の二十一

Requests for Reductions in Maximum Amount of Revolving Mortgages(根抵当権の極度額の減額請求)
Article 398-21, paragraph (1)

After the principal is fixed, the mortgagor of the revolving mortgage may request a reduction in the maximum amount of that revolving mortgage, to the amount of the obligations actually in existence plus the amount of the periodic payments including interest and the amount of damages due to default in obligations should arise in the following two years.

元本の確定後においては、根抵当権設定者は、その根抵当権の極度額を、現に存する債務の額と以後二年間に生ずべき利息その他の定期金及び債務の不履行による損害賠償の額とを加えた額に減額することを請求することができる。

Article 398-21, paragraph (2)

As to the reduction in the maximum amount of a revolving mortgage registered pursuant to Article 398-16, it suffices to make the request referred to in the preceding paragraph with respect to one of those immovables.

第三百九十八条の十六の登記がされている根抵当権の極度額の減額については、前項の規定による請求は、そのうちの一個の不動産についてすれば足りる。

Article 398-22第三百九十八条の二十二

Requests for Extinguishment of Revolving Mortgages(根抵当権の消滅請求)
Article 398-22, paragraph (1)

If the amount of the obligations currently in existence after the principal is fixed exceeds the maximum amount of a revolving mortgage, the person that created the revolving mortgage to secure the obligations of another person or a third party that has acquired ownership, superficies, farming rights, or a lease that may be duly asserted against any third party with respect to the mortgaged immovables may request the extinguishment of that revolving mortgage on paying or depositing with an official depository an amount equivalent to that maximum amount. In this case, that payment or deposit has the effect of performance of the obligation.

元本の確定後において現に存する債務の額が根抵当権の極度額を超えるときは、他人の債務を担保するためその根抵当権を設定した者又は抵当不動産について所有権、地上権、永小作権若しくは第三者に対抗することができる賃借権を取得した第三者は、その極度額に相当する金額を払い渡し又は供託して、その根抵当権の消滅請求をすることができる。この場合において、その払渡し又は供託は、弁済の効力を有する。

Article 398-22, paragraph (2)

A revolving mortgage that has been registered pursuant to Article 398-16 is extinguished if the request for extinguishment referred to in the preceding paragraph is made with respect to one immovable property.

第三百九十八条の十六の登記がされている根抵当権は、一個の不動産について前項の消滅請求があったときは、消滅する。

Article 398-22, paragraph (3)

The provisions of Articles 380 and 381 apply mutatis mutandis to the requests for extinguishment under paragraph (1).

第三百八十条及び第三百八十一条の規定は、第一項の消滅請求について準用する。

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