# 民法 / Civil Code — 第三条 (Supplementary Provisions, Article 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: 第三条 (Supplementary Provisions, Article 3)（子の監護費用に関する経過措置） — address `suppl-5061-33/art-3`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/suppl-5061-33/art-3
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-5061-33/art-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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### 第三条（子の監護費用に関する経過措置） — Transitional Measures Concerning Child Custody Expenses
caption: machine translation, not official
suppl-5061-33/art-3 · https://japanlaw.org/en/civil-code/suppl-5061-33/art-3 · https://japanlaw.org/l/129AC0000000089/suppl-5061-33/art-3
**第一項** 新民法第三百六条第三号及び第三百八条の二の規定は、同条に規定する定期金債権のうちこの法律の施行の日（以下「施行日」という。）以後に生じた各期の定期金について適用する。
suppl-5061-33/art-3/par-1 · https://japanlaw.org/en/civil-code/suppl-5061-33/art-3/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-5061-33/art-3/par-1
The provisions of Article 306, item (iii) and Article 308-2 of the New Civil Code apply to the periodic payments for each period, among the claims for periodic payments prescribed in that Article, that arose on or after the date of enforcement of this Act (hereinafter referred to as the "Effective Date").
machine translation, not official
**第二項** 新民法第七百六十六条の三（新民法第七百四十九条、第七百七十一条及び第七百八十八条において準用する場合を含む。）の規定は、施行日前に離婚し、婚姻が取り消され、又は認知した場合については、適用しない。
suppl-5061-33/art-3/par-2 · 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
The provisions of Article 766-3 of the New Civil Code (including as applied mutatis mutandis pursuant to Articles 749, 771 and 788 of the New Civil Code) do not apply in a case where a person divorced, a marriage was rescinded, or a person acknowledged parentage before the Effective Date.
machine translation, not official
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## Cites
- suppl-5061-33/art-3/par-1: 新民法第三百六条第三号 → 民法 第三百六条第一項第三号 (Article 306, paragraph (1), item (iii)), art-306/par-1/item-3 — https://japanlaw.org/en/civil-code/art-306/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/art-306/par-1/item-3
- suppl-5061-33/art-3/par-1: 第三百八条の二 → 民法 第三百八条の二 (Article 308-2), art-308-2 — https://japanlaw.org/en/civil-code/art-308-2 · https://japanlaw.org/l/129AC0000000089/art-308-2
- suppl-5061-33/art-3/par-2: 新民法第七百六十六条の三 → 民法 第七百六十六条の三 (Article 766-3), art-766-3 — https://japanlaw.org/en/civil-code/art-766-3 · https://japanlaw.org/l/129AC0000000089/art-766-3
- suppl-5061-33/art-3/par-2: 新民法第七百四十九条 → 民法 第七百四十九条 (Article 749), art-749 — https://japanlaw.org/en/civil-code/art-749 · https://japanlaw.org/l/129AC0000000089/art-749
- suppl-5061-33/art-3/par-2: 第七百七十一条 → 民法 第七百七十一条 (Article 771), art-771 — https://japanlaw.org/en/civil-code/art-771 · https://japanlaw.org/l/129AC0000000089/art-771
- suppl-5061-33/art-3/par-2: 第七百八十八条 → 民法 第七百八十八条 (Article 788), art-788 — https://japanlaw.org/en/civil-code/art-788 · https://japanlaw.org/l/129AC0000000089/art-788
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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-20261011T170941-027, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11