# 児童手当法 / Child Allowance Act — 第二十四条 (Article 24)

- Law: 児童手当法 (Child Allowance Act), 昭和四十六年法律第七十三号
- English title "Child Allowance Act": Ministry of Justice translation database, which lists the title
- 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: 第二十四条 (Article 24)（期間の計算） — address `art-24`
- Text in force since: 2025-06-01
- URL (the page that opens at this provision): https://japanlaw.org/en/child-allowance-act/art-24
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/346AC0000000073/art-24
- 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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### 第二十四条（期間の計算） — Calculation of Periods
<sup>caption: machine translation, not official</sup>
<sup>art-24 · https://japanlaw.org/en/child-allowance-act/art-24 · https://japanlaw.org/l/346AC0000000073/art-24</sup>

**第一項**  この法律又はこの法律に基づく命令に規定する期間の計算については、民法（明治二十九年法律第八十九号）の期間に関する規定を準用する。
<sup>art-24/par-1 · https://japanlaw.org/en/child-allowance-act/art-24/par-1 · https://japanlaw.org/l/346AC0000000073/art-24/par-1</sup>
The provisions of the Civil Code (Act No. 89 of 1896) concerning periods apply mutatis mutandis to the calculation of periods prescribed in this Act or orders based on this Act.
<sup>machine translation, not official</sup>

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 児童手当法 — the text in force from 2025-06-01 (https://laws.e-gov.go.jp/law/346AC0000000073/20250601_504AC0000000068), retrieved 2026-10-09
- Japanese Law Translation Database System, Ministry of Justice (法務省) — 児童手当法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/968), retrieved 2026-09-23
- claude-sonnet-5-5 — Machine translation, batch child-allowance-act-20261009T094943-004, translated 2026-10-09
- This site's parser, version 165 — 児童手当法 — structure, counts, cross-references and defined terms, computed 2026-10-09