# 国民健康保険法 / National Health Insurance Act — 第六十六条 (Article 66)

- Law: 国民健康保険法 (National Health Insurance Act), 昭和三十三年法律第百九十二号
- English title "National 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: 第六十六条 (Article 66)（強制診断等） — address `art-66`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/art-66
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-66
- 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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### 第六十六条（強制診断等） — (Compulsory Diagnosis, etc.)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-66 · https://japanlaw.org/ja/national-health-insurance-act/art-66 · https://japanlaw.org/l/333AC0000000192/art-66</sup>

  **第一項**  市町村及び組合は、保険給付に関して必要があると認めるときは、当該被保険者若しくは被保険者であつた者又は保険給付を受ける者に対し、文書その他の物件の提出若しくは提示を命じ、又は当該職員に質問若しくは診断をさせることができる。
  <sup>art-66/par-1 · https://japanlaw.org/ja/national-health-insurance-act/art-66/par-1 · https://japanlaw.org/l/333AC0000000192/art-66/par-1</sup>
  When Municipalities and Societies find it necessary in relation to insurance benefits, they may order the relevant current or former insured person or the relevant person who is to receive insurance benefits to submit or present a document or any other article, or may have their personnel question or diagnose any of the above persons.
  <sup>machine translation, not official</sup>

## Cited by

1 provision cites this one. No official source publishes this direction.

- 国民健康保険法 第六十三条第一項 — https://japanlaw.org/ja/national-health-insurance-act/art-63/par-1 · https://japanlaw.org/l/333AC0000000192/art-63/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 国民健康保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/333AC0000000192/20261001_507AC0000000087), retrieved 2026-10-17
- Japanese Law Translation Database System, Ministry of Justice (法務省) — National Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/2453/tb), retrieved 2026-10-17
- claude-sonnet-5-5 — Machine translation, batch national-health-insurance-act-20261017T183826-004, translated 2026-10-18
- This site's parser, version 209 — 国民健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-17