# 民法 / Civil Code — 第七百六十六条の三 (Article 766-3)

- 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: 第七百六十六条の三 (Article 766-3)（子の監護に要する費用の分担の定めがない場合の特例） — address `art-766-3`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-766-3
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-766-3
- 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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### 第七百六十六条の三（子の監護に要する費用の分担の定めがない場合の特例） — Special Provisions Where There Is No Determination on the Sharing of Expenses Required for Child Custody
<sup>caption: machine translation, not official</sup>
<sup>art-766-3 · https://japanlaw.org/en/civil-code/art-766-3 · https://japanlaw.org/l/129AC0000000089/art-766-3</sup>

      **第一項**  父母が子の監護に要する費用の分担についての定めをすることなく協議上の離婚をした場合には、父母の一方であって離婚の時から引き続きその子の監護を主として行うものは、他の一方に対し、離婚の日から、次に掲げる日のいずれか早い日までの間、毎月末に、その子の監護に要する費用の分担として、父母の扶養を受けるべき子の最低限度の生活の維持に要する標準的な費用の額その他の事情を勘案して子の数に応じて法務省令で定めるところにより算定した額の支払を請求することができる。ただし、当該他の一方は、支払能力を欠くためにその支払をすることができないこと又はその支払をすることによってその生活が著しく窮迫することを証明したときは、その全部又は一部の支払を拒むことができる。
      <sup>art-766-3/par-1 · https://japanlaw.org/en/civil-code/art-766-3/par-1 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1</sup>
      If the parents divorce by agreement without having made a determination on the sharing of expenses required for the custody of the child, the one of the parents who has continuously been primarily responsible for the custody of the child since the time of the divorce may, from the date of the divorce until the earliest of the following dates, demand of the other parent, at the end of each month, payment, as the sharing of expenses required for the custody of the child, of an amount calculated in accordance with a Ministry of Justice Order according to the number of children, taking into consideration the standard amount of expenses required to maintain the minimum standard of living of a child who is to be supported by the parents and other circumstances; provided, however, that the other parent may refuse to pay all or part of that amount upon proving that he or she is unable to pay it for lack of ability to pay or that his or her livelihood would be seriously impoverished by paying it.
      <sup>machine translation, not official</sup>

        **一**  父母がその協議により子の監護に要する費用の分担についての定めをした日
        <sup>art-766-3/par-1/item-1 · https://japanlaw.org/en/civil-code/art-766-3/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1/item-1</sup>
        the date on which the parents made, by agreement, a determination on the sharing of expenses required for the custody of the child;
        <sup>machine translation, not official</sup>

        **二**  子の監護に要する費用の分担についての審判が確定した日
        <sup>art-766-3/par-1/item-2 · https://japanlaw.org/en/civil-code/art-766-3/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1/item-2</sup>
        the date on which a ruling on the sharing of expenses required for the custody of the child becomes final and binding;
        <sup>machine translation, not official</sup>

        **三**  子が成年に達した日
        <sup>art-766-3/par-1/item-3 · https://japanlaw.org/en/civil-code/art-766-3/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1/item-3</sup>
        the date on which the child attains the age of majority.
        <sup>machine translation, not official</sup>

      **第二項**  離婚の日の属する月又は前項各号に掲げる日のいずれか早い日の属する月における同項の額は、法務省令で定めるところにより日割りで計算する。
      <sup>art-766-3/par-2 · https://japanlaw.org/en/civil-code/art-766-3/par-2 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-2</sup>
      The amount referred to in the preceding paragraph for the month containing the date of the divorce or the month containing the earliest of the dates set forth in the items of that paragraph is calculated on a daily basis, as provided by Ministry of Justice Order.
      <sup>machine translation, not official</sup>

      **第三項**  家庭裁判所は、第七百六十六条第二項又は第三項の規定により子の監護に要する費用の分担についての定めをし又はその定めを変更する場合には、第一項の規定による債務を負う他の一方の支払能力を考慮して、当該債務の全部若しくは一部の免除又は支払の猶予その他相当な処分を命ずることができる。
      <sup>art-766-3/par-3 · https://japanlaw.org/en/civil-code/art-766-3/par-3 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-3</sup>
      When the family court makes or changes a determination on the sharing of expenses required for the custody of the child pursuant to the provisions of Article 766, paragraph (2) or (3), it may, taking into consideration the ability to pay of the other parent who bears the obligation under the provisions of paragraph (1), order the exemption of all or part of that obligation, a deferment of payment, or any other proper disposition.
      <sup>machine translation, not official</sup>

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## Cites
- art-766-3/par-2: 前項 → 民法 第七百六十六条の三第一項 (Article 766-3, paragraph (1)), art-766-3/par-1 — https://japanlaw.org/en/civil-code/art-766-3/par-1 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1
- art-766-3/par-3: 第七百六十六条第二項 → 民法 第七百六十六条第二項 (Article 766, paragraph (2)), art-766/par-2 — https://japanlaw.org/en/civil-code/art-766/par-2 · https://japanlaw.org/l/129AC0000000089/art-766/par-2
- art-766-3/par-3: 第三項 → 民法 第七百六十六条第三項 (Article 766, paragraph (3)), art-766/par-3 — https://japanlaw.org/en/civil-code/art-766/par-3 · https://japanlaw.org/l/129AC0000000089/art-766/par-3
- art-766-3/par-3: 第一項 → 民法 第七百六十六条の三第一項 (Article 766-3, paragraph (1)), art-766-3/par-1 — https://japanlaw.org/en/civil-code/art-766-3/par-1 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-1

## Cited by

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

- 民法 第三百八条の二第一項第三号（子の監護費用の先取特権） — https://japanlaw.org/en/civil-code/art-308-2/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/art-308-2/par-1/item-3
- 民法 第七百四十九条第一項（離婚の規定の準用） — https://japanlaw.org/en/civil-code/art-749/par-1 · https://japanlaw.org/l/129AC0000000089/art-749/par-1
- 民法 第七百六十六条の三第二項（子の監護に要する費用の分担の定めがない場合の特例） — https://japanlaw.org/en/civil-code/art-766-3/par-2 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-2
- 民法 第七百六十六条の三第三項（子の監護に要する費用の分担の定めがない場合の特例） — https://japanlaw.org/en/civil-code/art-766-3/par-3 · https://japanlaw.org/l/129AC0000000089/art-766-3/par-3
- 民法 第七百七十一条第一項（協議上の離婚の規定の準用） — https://japanlaw.org/en/civil-code/art-771/par-1 · https://japanlaw.org/l/129AC0000000089/art-771/par-1
- 民法 第七百八十八条第一項（認知後の子の監護に関する事項の定め等） — https://japanlaw.org/en/civil-code/art-788/par-1 · https://japanlaw.org/l/129AC0000000089/art-788/par-1
- 民法 附則第三条第二項（子の監護費用に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-5061-33/art-3/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-5061-33/art-3/par-2

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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-20261011T170941-002, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11