# 健康保険法 / Health Insurance Act — 第三十八条 (Article 38)

- 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: 第三十八条 (Article 38)（任意継続被保険者の資格喪失） — address `art-38`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/health-insurance-act/art-38
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/art-38
- 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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### 第三十八条（任意継続被保険者の資格喪失） — (Loss of Eligibility as an Insured Person with Optional and Continued Payment)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-38 · https://japanlaw.org/en/health-insurance-act/art-38 · https://japanlaw.org/l/211AC0000000070/art-38</sup>

  **第一項**  任意継続被保険者は、次の各号のいずれかに該当するに至った日の翌日（第四号から第六号までのいずれかに該当するに至ったときは、その日）から、その資格を喪失する。
  <sup>art-38/par-1 · https://japanlaw.org/en/health-insurance-act/art-38/par-1 · https://japanlaw.org/l/211AC0000000070/art-38/par-1</sup>
  An insured person with optional and continued payment loses eligibility from the day immediately after the day on which the person fell under any of the following items (in the case any of the items (iv) through (vi) from the day on which the person fell under the item):
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **一**  任意継続被保険者となった日から起算して二年を経過したとき。
    <sup>art-38/par-1/item-1 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-1 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-1</sup>
    two years have elapsed since the day on which the person became an insured person with optional and continued coverage;
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **二**  死亡したとき。
    <sup>art-38/par-1/item-2 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-2 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-2</sup>
    the person dies;
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **三**  保険料（初めて納付すべき保険料を除く。）を納付期日までに納付しなかったとき（納付の遅延について正当な理由があると保険者が認めたときを除く。）。
    <sup>art-38/par-1/item-3 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-3 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-3</sup>
    insurance premiums (excluding the first insurance premium) are not paid by the due date (excluding when the insurer finds a justifiable reason for the delay in payment);
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **四**  被保険者となったとき。
    <sup>art-38/par-1/item-4 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-4 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-4</sup>
    the person becomes an insured person;
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **五**  船員保険の被保険者となったとき。
    <sup>art-38/par-1/item-5 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-5 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-5</sup>
    the person becomes an insured person covered by Seamen's Insurance; or
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **六**  後期高齢者医療の被保険者等となったとき。
    <sup>art-38/par-1/item-6 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-6 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-6</sup>
    the person becomes a person with late-stage elderly medical care insurance.
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **七**  任意継続被保険者でなくなることを希望する旨を、厚生労働省令で定めるところにより、保険者に申し出た場合において、その申出が受理された日の属する月の末日が到来したとき。
    <sup>art-38/par-1/item-7 · https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-7 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-7</sup>
    the person has notified the insurer, pursuant to Order of the Ministry of Health, Labour and Welfare, of the person's wish to cease to be an insured person with optional and continued coverage, and the last day of the month that includes the day on which that notification was accepted arrives.
    <sup>machine translation, not official</sup>

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## Cites
- art-38/par-1: 第四号から第六号まで → 健康保険法 第三十八条第一項第四号 (Article 38, paragraph (1), item (iv)), art-38/par-1/item-4 — https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-4 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-4
- art-38/par-1: 第四号から第六号まで → 健康保険法 第三十八条第一項第五号 (Article 38, paragraph (1), item (v)), art-38/par-1/item-5 — https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-5 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-5
- art-38/par-1: 第四号から第六号まで → 健康保険法 第三十八条第一項第六号 (Article 38, paragraph (1), item (vi)), art-38/par-1/item-6 — https://japanlaw.org/en/health-insurance-act/art-38/par-1/item-6 · https://japanlaw.org/l/211AC0000000070/art-38/par-1/item-6

## Cited by

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

- 健康保険法 第三十五条第一項（資格取得の時期） — https://japanlaw.org/en/health-insurance-act/art-35/par-1 · https://japanlaw.org/l/211AC0000000070/art-35/par-1
- 健康保険法 第三十八条第一項（任意継続被保険者の資格喪失） — https://japanlaw.org/en/health-insurance-act/art-38/par-1 · https://japanlaw.org/l/211AC0000000070/art-38/par-1
- 健康保険法 附則第三条第六項（特定健康保険組合） — https://japanlaw.org/en/health-insurance-act/suppl-2111-70/art-3/par-6 · https://japanlaw.org/l/211AC0000000070/suppl-2111-70/art-3/par-6
- 健康保険法 附則第六条第一項 — https://japanlaw.org/en/health-insurance-act/suppl-4141-102/art-6/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4141-102/art-6/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-20261010T183826-001, 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
