# 健康保険法 / Health Insurance Act — 第二十三条 (Supplementary Provisions, Article 23)

- Law: 健康保険法 (Health Insurance Act), 大正十一年法律第七十号
- English title "Health Insurance Act": 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: 第二十三条 (Supplementary Provisions, Article 23) — address `suppl-4181-83/art-23`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act/suppl-4181-83/art-23
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/suppl-4181-83/art-23
- 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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### 第二十三条
<sup>suppl-4181-83/art-23 · https://japanlaw.org/ja/health-insurance-act/suppl-4181-83/art-23 · https://japanlaw.org/l/211AC0000000070/suppl-4181-83/art-23</sup>

**第一項**  第四条の規定の施行の日の前日において健康保険法第百二十三条第一項に規定する政府を保険者とする日雇特例被保険者の保険の被保険者であった者は、第四条の規定の施行の日において平成二十年十月改正健保法第百二十三条第一項の規定による協会を保険者とする日雇特例被保険者の保険の被保険者になるものとする。
<sup>suppl-4181-83/art-23/par-1 · https://japanlaw.org/ja/health-insurance-act/suppl-4181-83/art-23/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4181-83/art-23/par-1</sup>
A person who was an insured person of the insurance for specially-insured day laborers with the government as the insurer prescribed in Article 123, paragraph (1) of the Health Insurance Act on the day before the date of enforcement of the provisions of Article 4 is to become, on the date of enforcement of the provisions of Article 4, an insured person of the insurance for specially-insured day laborers with JHIA as the insurer under Article 123, paragraph (1) of the Health Insurance Act as Amended in October 2008.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4181-83/art-23/par-1: 健康保険法第百二十三条第一項 → 健康保険法 第百二十三条第一項 (Article 123, paragraph (1)), art-123/par-1 — https://japanlaw.org/ja/health-insurance-act/art-123/par-1 · https://japanlaw.org/l/211AC0000000070/art-123/par-1

## Cited by

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

- 健康保険法 附則第一条第一項第五号（施行期日） — https://japanlaw.org/ja/health-insurance-act/suppl-4181-83/art-1/par-1/item-5 · https://japanlaw.org/l/211AC0000000070/suppl-4181-83/art-1/par-1/item-5
- 健康保険法 附則第百三十三条第一項（その他の経過措置の政令への委任） — https://japanlaw.org/ja/health-insurance-act/suppl-4181-83/art-133/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4181-83/art-133/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 健康保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/211AC0000000070/20261001_507AC0000000087), retrieved 2026-10-10
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3266/tb), retrieved 2026-10-10
- claude-sonnet-5-5 — Machine translation, batch health-insurance-act-20261010T183826-026, translated 2026-10-11
- This site's parser, version 189 — 健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-10
