# 民法 / Civil Code — 附　則 (Supplementary Provisions)

- 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: 附　則 (Supplementary Provisions) — address `suppl-3221-222`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/suppl-3221-222
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-3221-222
- 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.

---

## 附　則 昭和二二年一二月二二日法律第二二二号
<sup>suppl-3221-222 · https://japanlaw.org/en/civil-code/suppl-3221-222 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222</sup>

### 第一条
<sup>suppl-3221-222/art-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-1</sup>

**第一項**  この法律は、昭和二十三年一月一日から、これを施行する。
<sup>suppl-3221-222/art-1/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-1/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-1/par-1</sup>
This Act comes into effect as of January 1, 1948.
<sup>machine translation, not official</sup>

### 第二条
<sup>suppl-3221-222/art-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-2</sup>

**第一項**  明治三十五年法律第三十七号は、これを廃止する。
<sup>suppl-3221-222/art-2/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-2/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-2/par-1</sup>
Act No. 37 of 1902 is repealed.
<sup>machine translation, not official</sup>

### 第三条
<sup>suppl-3221-222/art-3 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-3</sup>

**第一項**  この附則で、新法とは、この法律による改正後の民法をいい、旧法とは、従前の民法をいい、応急措置法とは、昭和二十二年法律第七十四号をいう。
<sup>suppl-3221-222/art-3/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-3/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-3/par-1</sup>
In these Supplementary Provisions, the "New Act" means the Civil Code as amended by this Act, the "Former Act" means the Civil Code as it previously stood, and the "Emergency Measures Act" means Act No. 74 of 1947.
<sup>machine translation, not official</sup>

### 第四条
<sup>suppl-3221-222/art-4 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-4 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-4</sup>

**第一項**  新法は、別段の規定のある場合を除いては、新法施行前に生じた事項にもこれを適用する。但し、旧法及び応急措置法によつて生じた効力を妨げない。
<sup>suppl-3221-222/art-4/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-4/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-4/par-1</sup>
Except where otherwise provided, the New Act also applies to matters that arose before the New Act came into effect; provided, however, that this does not preclude effects that arose under the Former Act and the Emergency Measures Act.
<sup>machine translation, not official</sup>

### 第五条
<sup>suppl-3221-222/art-5 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-5 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-5</sup>

**第一項**  応急措置法施行前に妻が旧法第十四条第一項の規定に違反してした行為は、これを取り消すことができない。
<sup>suppl-3221-222/art-5/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-5/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-5/par-1</sup>
An act done by a wife before the Emergency Measures Act came into effect in violation of the provisions of Article 14, paragraph (1) of the Former Act may not be rescinded.
<sup>machine translation, not official</sup>

### 第六条
<sup>suppl-3221-222/art-6 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-6 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-6</sup>

**第一項**  応急措置法施行前にした隠居が旧法によつて取り消すことができる場合には、なお、旧法によつてこれを取り消すことができる。この場合には、旧法第七百六十条の規定を適用する。
<sup>suppl-3221-222/art-6/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-6/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-6/par-1</sup>
Where a retirement of the head of a household effected before the Emergency Measures Act came into effect may be rescinded under the Former Act, it may still be rescinded under the Former Act. In this case, the provisions of Article 760 of the Former Act apply.
<sup>machine translation, not official</sup>

### 第七条
<sup>suppl-3221-222/art-7 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-7 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-7</sup>

**第一項**  応急措置法施行前に隠居又は入夫婚姻による戸主権の喪失があつた場合には、なお、旧法第七百六十一条の規定を適用する。
<sup>suppl-3221-222/art-7/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-7/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-7/par-1</sup>
Where there was a loss of the authority of the head of a household through retirement or through a marriage by entry of a husband into the household before the Emergency Measures Act came into effect, the provisions of Article 761 of the Former Act still apply.
<sup>machine translation, not official</sup>

### 第八条
<sup>suppl-3221-222/art-8 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-8 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-8</sup>

**第一項**  新法施行前にした婚姻が旧法によつて取り消すことができる場合でも、その取消の原因である事項が新法に定めてないときは、その婚姻は、これを取り消すことができない。
<sup>suppl-3221-222/art-8/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-8/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-8/par-1</sup>
Even where a marriage contracted before the New Act came into effect may be cancelled under the Former Act, if the matter constituting the ground for cancellation is not provided for in the New Act, that marriage may not be cancelled.
<sup>machine translation, not official</sup>

### 第九条
<sup>suppl-3221-222/art-9 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-9 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-9</sup>

**第一項**  新法第七百六十四条において準用する新法第七百四十七条第二項の期間は、当事者が、新法施行前に、詐欺を発見し、又は強迫を免かれた場合には、新法施行の日から、これを起算する。
<sup>suppl-3221-222/art-9/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-9/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-9/par-1</sup>
The period referred to in Article 747, paragraph (2) of the New Act as applied mutatis mutandis pursuant to Article 764 of the New Act is counted from the day the New Act comes into effect, in the case where the party discovered the fraud or escaped from the duress before the New Act came into effect.
<sup>machine translation, not official</sup>

### 第十条
<sup>suppl-3221-222/art-10 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-10 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-10</sup>

**第一項**  日本国憲法施行後新法施行前に離婚した者の一方は、新法第七百六十八条の規定に従い相手方に対して財産の分与を請求することができる。
<sup>suppl-3221-222/art-10/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-10/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-10/par-1</sup>
A party to a divorce that took place after The Constitution of Japan came into effect and before the New Act came into effect may ask the other party to effectuate a division of property in accordance with the provisions of Article 768 of the New Act.
<sup>machine translation, not official</sup>

**第二項**  前項の規定は、婚姻の取消についてこれを準用する。
<sup>suppl-3221-222/art-10/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-10/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-10/par-2</sup>
The provisions of the preceding paragraph apply mutatis mutandis to the cancellation of a marriage.
<sup>machine translation, not official</sup>

### 第十一条
<sup>suppl-3221-222/art-11 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-11 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-11</sup>

**第一項**  新法施行前に生じた事実を原因とする離婚の請求については、なお、従前の例による。
<sup>suppl-3221-222/art-11/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-11/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-11/par-1</sup>
With regard to a request for divorce based on facts that arose before the New Act came into effect, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第二項**  新法第七百七十条第二項の規定は、前項の場合にこれを準用する。
<sup>suppl-3221-222/art-11/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-11/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-11/par-2</sup>
The provisions of Article 770, paragraph (2) of the New Act apply mutatis mutandis to the case referred to in the preceding paragraph.
<sup>machine translation, not official</sup>

### 第十二条
<sup>suppl-3221-222/art-12 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-12 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-12</sup>

**第一項**  応急措置法施行前に未成年の子が旧法第七百三十七条又は第七百三十八条の規定によつて父又は母の家に入つた場合には、その子は、成年に達した時から一年以内に従前の氏に復することができる。その子が新法施行前に成年に達した場合において、新法施行後一年以内も、同様である。
<sup>suppl-3221-222/art-12/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-12/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-12/par-1</sup>
If, before the Emergency Measures Act came into effect, a minor child entered the house of the father or mother pursuant to the provisions of Article 737 or Article 738 of the Former Act, that child may revert to the former surname within one year from the time of attaining the age of majority. The same applies within one year after the New Act came into effect, where that child attained the age of majority before the New Act came into effect.
<sup>machine translation, not official</sup>

### 第十三条
<sup>suppl-3221-222/art-13 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-13 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-13</sup>

**第一項**  第八条、第九条及び第十一条の規定は、養子縁組についてこれを準用する。
<sup>suppl-3221-222/art-13/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-13/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-13/par-1</sup>
The provisions of Article 8, Article 9 and Article 11 of these Supplementary Provisions apply mutatis mutandis to adoption.
<sup>machine translation, not official</sup>

### 第十四条
<sup>suppl-3221-222/art-14 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-14 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14</sup>

**第一項**  新法施行の際、現に、婚姻中でない父母が、共同して未成年の子に対して親権を行つている場合には、新法施行後も、引き続き共同して親権を行う。但し、父母は、協議でその一方を親権者と定めることができる。
<sup>suppl-3221-222/art-14/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-14/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14/par-1</sup>
If, at the time the New Act comes into effect, parents who are not married to each other are in fact jointly exercising parental authority over a minor child, they continue to jointly exercise parental authority after the New Act comes into effect; provided, however, that the parents may, by agreement, determine one of them to be the person with parental authority.
<sup>machine translation, not official</sup>

**第二項**  前項但書の協議が調わないとき、又は協議をすることができないときは、家事審判所は、父又は母の請求によつて協議に代わる審判をすることができる。
<sup>suppl-3221-222/art-14/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-14/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14/par-2</sup>
If the agreement referred to in the proviso of the preceding paragraph is not reached, or if discussions cannot be held, the family affairs tribunal may, at the request of the father or mother, make an adjudication in lieu of the agreement.
<sup>machine translation, not official</sup>

**第三項**  新法第八百十九条第六項の規定は、第一項但書又は前項の規定によつて親権者が定められた場合にこれを準用する。
<sup>suppl-3221-222/art-14/par-3 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-14/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14/par-3</sup>
The provisions of Article 819, paragraph (6) of the New Act apply mutatis mutandis where a person with parental authority has been determined pursuant to the proviso of paragraph (1) or the preceding paragraph.
<sup>machine translation, not official</sup>

### 第十五条
<sup>suppl-3221-222/art-15 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-15 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-15</sup>

**第一項**  応急措置法施行前に、親権を行う母が、旧法第八百八十六条の規定に違反してし、又は同意を与えた行為は、これを取り消すことができない。
<sup>suppl-3221-222/art-15/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-15/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-15/par-1</sup>
An act that a mother exercising parental authority did, or to which she gave consent, in violation of the provisions of Article 886 of the Former Act before the Emergency Measures Act came into effect may not be rescinded.
<sup>machine translation, not official</sup>

### 第十六条
<sup>suppl-3221-222/art-16 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-16 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-16</sup>

**第一項**  第二十一条の規定は、応急措置法施行前に親権を行つていた継父、継母又は嫡母についてこれを準用する。
<sup>suppl-3221-222/art-16/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-16/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-16/par-1</sup>
The provisions of Article 21 of these Supplementary Provisions apply mutatis mutandis to a stepfather, a stepmother or the legal wife of the father who exercised parental authority before the Emergency Measures Act came into effect.
<sup>machine translation, not official</sup>

### 第十七条
<sup>suppl-3221-222/art-17 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-17 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-17</sup>

**第一項**  新法施行前に親族会員と親権に服した子との間に財産の管理について生じた債権については、なお、旧法第八百九十四条の規定を適用する。
<sup>suppl-3221-222/art-17/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-17/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-17/par-1</sup>
With regard to a claim that arose before the New Act came into effect between a member of the family council and a child subject to parental authority concerning the management of property, the provisions of Article 894 of the Former Act still apply.
<sup>machine translation, not official</sup>

### 第十八条
<sup>suppl-3221-222/art-18 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-18 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-18</sup>

**第一項**  新法施行前に母が旧法の規定によつて子の財産の管理を辞した場合において、新法施行の際その子のためにまだ後見が開始していないときは、その辞任は、新法施行後は、その効力を有しない。
<sup>suppl-3221-222/art-18/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-18/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-18/par-1</sup>
If, before the New Act came into effect, a mother resigned from the management of the child's property under the provisions of the Former Act, and guardianship has not yet commenced for that child at the time the New Act comes into effect, that resignation ceases to be effective after the New Act comes into effect.
<sup>machine translation, not official</sup>

### 第十九条
<sup>suppl-3221-222/art-19 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-19 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-19</sup>

**第一項**  新法施行の際現に旧法第九百二条の規定によつて父母の一方が後見人であるとき、又は旧法第九百四条の規定によつて選任された後見人があるときは、その後見人は、新法施行のため、当然にはその地位を失うことはない。但し、新法施行によつて後見が終了し、又は新法による法定後見人があるときは、当然その地位を失う。
<sup>suppl-3221-222/art-19/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-19/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-19/par-1</sup>
If, at the time the New Act comes into effect, one parent is in fact the guardian under the provisions of Article 902 of the Former Act, or there is a guardian appointed under the provisions of Article 904 of the Former Act, that guardian does not automatically lose that position by reason of the New Act coming into effect; provided, however, that if the guardianship ends upon the New Act coming into effect, or if there is a statutory guardian under the New Act, the guardian automatically loses that position.
<sup>machine translation, not official</sup>

### 第二十条
<sup>suppl-3221-222/art-20 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-20 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-20</sup>

**第一項**  前条の規定は、後見監督人及び保佐人についてこれを準用する。
<sup>suppl-3221-222/art-20/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-20/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-20/par-1</sup>
The provisions of the preceding Article apply mutatis mutandis to a guardian's supervisor and a curator.
<sup>machine translation, not official</sup>

### 第二十一条
<sup>suppl-3221-222/art-21 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-21 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-21</sup>

**第一項**  新法施行前に、後見人が、旧法第九百二十九条の規定に違反してし、又は同意を与えた行為は、なお、旧法によつてこれを取り消すことができる。
<sup>suppl-3221-222/art-21/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-21/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-21/par-1</sup>
An act that a guardian did, or to which the guardian gave consent, in violation of the provisions of Article 929 of the Former Act before the New Act came into effect may still be rescinded under the Former Act.
<sup>machine translation, not official</sup>

### 第二十二条
<sup>suppl-3221-222/art-22 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-22 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-22</sup>

**第一項**  第十七条の規定は、親族会員と被後見人又は準禁治産者との間にこれを準用する。
<sup>suppl-3221-222/art-22/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-22/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-22/par-1</sup>
The provisions of Article 17 of these Supplementary Provisions apply mutatis mutandis between a member of the family council and a ward or a quasi-incompetent person.
<sup>machine translation, not official</sup>

### 第二十三条
<sup>suppl-3221-222/art-23 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-23 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-23</sup>

**第一項**  新法施行前にされた親族会の決議に対する不服については、なお、旧法を適用する。
<sup>suppl-3221-222/art-23/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-23/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-23/par-1</sup>
With regard to an objection to a resolution of the family council made before the New Act came into effect, the Former Act still applies.
<sup>machine translation, not official</sup>

**第二項**  前項の規定によつて親族会の決議を取り消す判決が確定した場合でも、親族会であらたに決議をすることは、これを認めない。
<sup>suppl-3221-222/art-23/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-23/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-23/par-2</sup>
Even where a judgment rescinding a resolution of the family council has become final pursuant to the provisions of the preceding paragraph, a new resolution by the family council is not permitted.
<sup>machine translation, not official</sup>

### 第二十四条
<sup>suppl-3221-222/art-24 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-24 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-24</sup>

**第一項**  新法施行前に扶養に関してされた判決については、新法第八百八十条の規定を準用する。
<sup>suppl-3221-222/art-24/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-24/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-24/par-1</sup>
With regard to a judgment rendered before the New Act came into effect concerning support, the provisions of Article 880 of the New Act apply mutatis mutandis.
<sup>machine translation, not official</sup>

### 第二十五条
<sup>suppl-3221-222/art-25 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-25 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25</sup>

**第一項**  応急措置法施行前に開始した相続に関しては、第二項の場合を除いて、なお、旧法を適用する。
<sup>suppl-3221-222/art-25/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-1</sup>
With regard to a succession that opened before the Emergency Measures Act came into effect, the Former Act still applies, except in the case referred to in paragraph (2).
<sup>machine translation, not official</sup>

**第二項**  応急措置法施行前に家督相続が開始し、新法施行後に旧法によれば家督相続人を選定しなければならない場合には、その相続に関しては、新法を適用する。但し、その相続の開始が入夫婚姻の取消、入夫の離婚又は養子縁組の取消によるときは、その相続は、財産の相続に関しては開始しなかつたものとみなし、第二十八条の規定を準用する。
<sup>suppl-3221-222/art-25/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-2</sup>
If succession to the headship of a house opened before the Emergency Measures Act came into effect, and a successor to the headship must be selected under the Former Act after the New Act comes into effect, the New Act applies to that succession; provided, however, that if the opening of that succession is due to the cancellation of a marriage by entry of a husband, the divorce of a husband who entered the household, or the annulment of an adoption, that succession is deemed not to have opened with respect to succession to property, and the provisions of Article 28 of these Supplementary Provisions apply mutatis mutandis.
<sup>machine translation, not official</sup>

### 第二十六条
<sup>suppl-3221-222/art-26 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-26 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26</sup>

**第一項**  応急措置法施行の際における戸主が婚姻又は養子縁組によつて他家から入つた者である場合には、その家の家附の継子は、新法施行後に開始する相続に関しては、嫡出である子と同一の権利義務を有する。
<sup>suppl-3221-222/art-26/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-1</sup>
If the head of a household at the time the Emergency Measures Act came into effect is a person who entered from another house through marriage or adoption, the stepchild attached to that house has, with respect to a succession that opens after the New Act comes into effect, the same rights and duties as a child in wedlock.
<sup>machine translation, not official</sup>

**第二項**  前項の戸主であつた者について応急措置法施行後新法施行前に相続が開始した場合には、前項の継子は、相続人に対して相続財産の一部の分配を請求することができる。この場合には、第二十七条第二項及び第三項の規定を準用する。
<sup>suppl-3221-222/art-26/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-2</sup>
If succession has opened, after the Emergency Measures Act came into effect and before the New Act came into effect, with respect to the person who was the head of the household referred to in the preceding paragraph, the stepchild referred to in the preceding paragraph may demand that the heirs distribute part of the estate. In this case, the provisions of Article 27, paragraphs (2) and (3) of these Supplementary Provisions apply mutatis mutandis.
<sup>machine translation, not official</sup>

**第三項**  前二項の規定は、第一項の戸主であつた者が応急措置法施行後に婚姻の取消若しくは離婚又は縁組の取消若しくは離縁によつて氏を改めた場合には、これを適用しない。
<sup>suppl-3221-222/art-26/par-3 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-3</sup>
The provisions of the preceding two paragraphs do not apply if the person who was the head of the household referred to in paragraph (1) has changed surname after the Emergency Measures Act came into effect through the cancellation of a marriage or divorce, or the annulment of an adoption or dissolution of the adoptive relationship.
<sup>machine translation, not official</sup>

### 第二十七条
<sup>suppl-3221-222/art-27 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-27 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27</sup>

**第一項**  第二十五条第二項本文の場合を除いて、日本国憲法公布の日以後に戸主の死亡による家督相続が開始した場合には、新法によれば共同相続人となるはずであつた者は、家督相続人に対して相続財産の一部の分配を請求することができる。
<sup>suppl-3221-222/art-27/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-1</sup>
Except in the case under the main clause of Article 25, paragraph (2) of these Supplementary Provisions, if succession to headship due to the death of the head of a household opens on or after the date of promulgation of The Constitution of Japan, a person who would have become a coheir under the New Act may demand that the successor to the headship distribute part of the estate.
<sup>machine translation, not official</sup>

**第二項**  前項の規定による相続財産の分配について、当事者間に協議が調わないとき、又は協議をすることができないときは、当事者は、家事審判所に対し協議に代わる処分を請求することができる。但し、新法施行の日から一年を経過したときは、この限りでない。
<sup>suppl-3221-222/art-27/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-2</sup>
If an agreement is not reached between the parties concerning distribution of the estate under the provisions of the preceding paragraph, or if discussions cannot be held, a party may request a disposition in lieu of discussions from the family affairs tribunal; provided, however, that this does not apply once one year has passed from the date the New Act comes into effect.
<sup>machine translation, not official</sup>

**第三項**  前項の場合には、家事審判所は、相続財産の状態、分配を受ける者の員数及び資力、被相続人の生前行為又は遺言によつて財産の分配を受けたかどうかその他一切の事情を考慮して、分配をさせるべきかどうか並びに分配の額及び方法を定める。
<sup>suppl-3221-222/art-27/par-3 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-3</sup>
In the case referred to in the preceding paragraph, the family affairs tribunal determines whether a distribution is to be made and the amount and method of the distribution, in consideration of the condition of the estate, the number and financial resources of the persons receiving the distribution, whether they received property by an act of the decedent during the decedent's lifetime or by will, and all other circumstances.
<sup>machine translation, not official</sup>

### 第二十八条
<sup>suppl-3221-222/art-28 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-28 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-28</sup>

**第一項**  応急措置法施行の際戸主であつた者が応急措置法施行後に婚姻の取消若しくは離婚又は養子縁組の取消若しくは離縁によつて氏を改めた場合には、配偶者又は養親、若し配偶者又は養親がないときは新法によるその相続人は、その者に対し財産の一部の分配を請求することができる。この場合には、前条第二項及び第三項の規定を準用する。
<sup>suppl-3221-222/art-28/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-28/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-28/par-1</sup>
If the person who was the head of the household at the time the Emergency Measures Act came into effect changes surname after the Emergency Measures Act came into effect through the cancellation of a marriage or divorce, or the annulment of an adoption or dissolution of the adoptive relationship, the spouse or adoptive parent, or, if there is no spouse or adoptive parent, the heirs thereof under the New Act, may demand from that person distribution of part of the property. In this case, the provisions of paragraphs (2) and (3) of the preceding Article apply mutatis mutandis.
<sup>machine translation, not official</sup>

### 第二十九条
<sup>suppl-3221-222/art-29 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-29 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-29</sup>

**第一項**  推定の家督相続人又は遺産相続人が旧法第九百七十五条第一項第一号又は第九百九十八条の規定によつて廃除されたときは、新法の適用については、新法第八百九十二条の規定によつて廃除されたものとみなす。
<sup>suppl-3221-222/art-29/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-29/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-29/par-1</sup>
If a presumptive successor to the headship of a house or presumptive heir to an estate has been disinherited pursuant to the provisions of Article 975, paragraph (1), item (i) or Article 998 of the Former Act, that person is deemed, for the purposes of the application of the New Act, to have been disinherited pursuant to the provisions of Article 892 of the New Act.
<sup>machine translation, not official</sup>

### 第三十条
<sup>suppl-3221-222/art-30 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-30 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-30</sup>

**第一項**  旧法第九百七十八条（旧法第千条において準用する場合を含む。）の規定によつて遺産の管理についてした処分は、相続が第二十五条第二項本文の規定によつて新法の適用を受ける場合には、これを新法第八百九十五条の規定によつてした処分とみなす。
<sup>suppl-3221-222/art-30/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-30/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-30/par-1</sup>
A disposition made with respect to the administration of the estate pursuant to the provisions of Article 978 of the Former Act (including as applied mutatis mutandis pursuant to Article 1000 of the Former Act) is deemed, where the succession is governed by the New Act pursuant to the main clause of Article 25, paragraph (2) of these Supplementary Provisions, to be a disposition made pursuant to the provisions of Article 895 of the New Act.
<sup>machine translation, not official</sup>

### 第三十一条
<sup>suppl-3221-222/art-31 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-31 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-31</sup>

**第一項**  応急措置法施行前に分家又は廃絶家再興のため贈与された財産は、新法第九百三条の規定の適用については、これを生計の資本として贈与された財産とみなす。
<sup>suppl-3221-222/art-31/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-31/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-31/par-1</sup>
Property gifted before the Emergency Measures Act came into effect for the establishment of a branch family or the revival of an extinct family is deemed, for the purposes of the application of the provisions of Article 903 of the New Act, to be property gifted as capital for livelihood.
<sup>machine translation, not official</sup>

### 第三十二条
<sup>suppl-3221-222/art-32 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-32 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-32</sup>

**第一項**  新法第九百六条及び第九百七条の規定は、第二十五条第一項の規定によつて遺産相続に関し旧法を適用する場合にこれを準用する。
<sup>suppl-3221-222/art-32/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-32/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-32/par-1</sup>
The provisions of Article 906 and Article 907 of the New Act apply mutatis mutandis where the Former Act applies with respect to succession to an estate pursuant to the provisions of Article 25, paragraph (1) of these Supplementary Provisions.
<sup>machine translation, not official</sup>

### 第三十三条
<sup>suppl-3221-222/art-33 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-33 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-33</sup>

**第一項**  新法施行前に旧法第千七十九条第一項の規定に従つてした遺言で、同条第二項の規定による確認を得ないものについては、新法第九百七十九条第二項及び第三項の規定を準用する。
<sup>suppl-3221-222/art-33/par-1 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-33/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-33/par-1</sup>
With regard to a will made before the New Act came into effect in accordance with the provisions of Article 1079, paragraph (1) of the Former Act, for which confirmation under the provisions of paragraph (2) of that Article has not been obtained, the provisions of Article 979, paragraphs (2) and (3) of the New Act apply mutatis mutandis.
<sup>machine translation, not official</sup>

**第二項**  新法施行前に海軍所属の艦船遭難の場合に旧法第千八十一条において準用する旧法第千七十九条第一項の規定に従つてした遺言で、同条第二項の規定による確認を得ないものについても、前項と同様である。
<sup>suppl-3221-222/art-33/par-2 · https://japanlaw.org/en/civil-code/suppl-3221-222/art-33/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-33/par-2</sup>
The same as in the preceding paragraph applies to a will made before the New Act came into effect, in the event of distress of a vessel belonging to the Navy, in accordance with Article 1079, paragraph (1) of the Former Act as applied mutatis mutandis pursuant to Article 1081 of the Former Act, for which confirmation under the provisions of paragraph (2) of that Article has not been obtained.
<sup>machine translation, not official</sup>

---

## Cites
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- suppl-3221-222/art-11/par-2: 前項 → 民法 附則第十一条第一項 (Supplementary Provisions, Article 11, paragraph (1)), suppl-3221-222/art-11/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-11/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-11/par-1
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- suppl-3221-222/art-16/par-1: 第二十一条 → 民法 附則第二十一条 (Supplementary Provisions, Article 21), suppl-3221-222/art-21 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-21 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-21
- suppl-3221-222/art-20/par-1: 前条 → 民法 附則第十九条 (Supplementary Provisions, Article 19), suppl-3221-222/art-19 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-19 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-19
- suppl-3221-222/art-22/par-1: 第十七条 → 民法 附則第十七条 (Supplementary Provisions, Article 17), suppl-3221-222/art-17 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-17 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-17
- suppl-3221-222/art-23/par-2: 前項 → 民法 附則第二十三条第一項 (Supplementary Provisions, Article 23, paragraph (1)), suppl-3221-222/art-23/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-23/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-23/par-1
- suppl-3221-222/art-25/par-1: 第二項 → 民法 附則第二十五条第二項 (Supplementary Provisions, Article 25, paragraph (2)), suppl-3221-222/art-25/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-2
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- suppl-3221-222/art-26/par-2: 第三項 → 民法 附則第二十七条第三項 (Supplementary Provisions, Article 27, paragraph (3)), suppl-3221-222/art-27/par-3 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-3
- suppl-3221-222/art-26/par-3: 前二項 → 民法 附則第二十六条第一項 (Supplementary Provisions, Article 26, paragraph (1)), suppl-3221-222/art-26/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-1
- suppl-3221-222/art-26/par-3: 前二項 → 民法 附則第二十六条第二項 (Supplementary Provisions, Article 26, paragraph (2)), suppl-3221-222/art-26/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-2
- suppl-3221-222/art-27/par-1: 第二十五条第二項 → 民法 附則第二十五条第二項 (Supplementary Provisions, Article 25, paragraph (2)), suppl-3221-222/art-25/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-2
- suppl-3221-222/art-27/par-2: 前項 → 民法 附則第二十七条第一項 (Supplementary Provisions, Article 27, paragraph (1)), suppl-3221-222/art-27/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-1
- suppl-3221-222/art-27/par-3: 前項 → 民法 附則第二十七条第二項 (Supplementary Provisions, Article 27, paragraph (2)), suppl-3221-222/art-27/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-2
- suppl-3221-222/art-28/par-1: 前条第二項 → 民法 附則第二十七条第二項 (Supplementary Provisions, Article 27, paragraph (2)), suppl-3221-222/art-27/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-2
- suppl-3221-222/art-28/par-1: 第三項 → 民法 附則第二十七条第三項 (Supplementary Provisions, Article 27, paragraph (3)), suppl-3221-222/art-27/par-3 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-3
- suppl-3221-222/art-30/par-1: 第二十五条第二項 → 民法 附則第二十五条第二項 (Supplementary Provisions, Article 25, paragraph (2)), suppl-3221-222/art-25/par-2 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-2
- suppl-3221-222/art-32/par-1: 第二十五条第一項 → 民法 附則第二十五条第一項 (Supplementary Provisions, Article 25, paragraph (1)), suppl-3221-222/art-25/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-1
- suppl-3221-222/art-33/par-2: 前項 → 民法 附則第三十三条第一項 (Supplementary Provisions, Article 33, paragraph (1)), suppl-3221-222/art-33/par-1 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-33/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-33/par-1

## Cited by

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

- 民法 附則第十条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-10/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-10/par-2
- 民法 附則第十一条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-11/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-11/par-2
- 民法 附則第十三条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-13/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-13/par-1
- 民法 附則第十四条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-14/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14/par-2
- 民法 附則第十四条第三項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-14/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-14/par-3
- 民法 附則第十六条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-16/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-16/par-1
- 民法 附則第二十条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-20/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-20/par-1
- 民法 附則第二十二条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-22/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-22/par-1
- 民法 附則第二十三条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-23/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-23/par-2
- 民法 附則第二十五条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-1
- 民法 附則第二十五条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-25/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-25/par-2
- 民法 附則第二十六条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-2
- 民法 附則第二十六条第三項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-26/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-26/par-3
- 民法 附則第二十七条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-1
- 民法 附則第二十七条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-2
- 民法 附則第二十七条第三項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-27/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-27/par-3
- 民法 附則第二十八条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-28/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-28/par-1
- 民法 附則第三十条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-30/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-30/par-1
- 民法 附則第三十二条第一項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-32/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-32/par-1
- 民法 附則第三十三条第二項 — https://japanlaw.org/en/civil-code/suppl-3221-222/art-33/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-3221-222/art-33/par-2
- 民法 附則第十九条第一項 — https://japanlaw.org/en/civil-code/suppl-3231-260/art-19/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3231-260/art-19/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
- claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-011, translated 2026-10-12
- claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-012, translated 2026-10-12
- claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-013, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11
