# 国民健康保険法 / National Health Insurance Act — 第二十六条 (Supplementary Provisions, Article 26)
- 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: 第二十六条 (Supplementary Provisions, Article 26)（国民健康保険法の一部改正に伴う経過措置） — address `suppl-3571-80/art-26`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26
- 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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### 第二十六条（国民健康保険法の一部改正に伴う経過措置） — Transitional Measures Accompanying the Partial Amendment of the National Health Insurance Act
caption: machine translation, not official
suppl-3571-80/art-26 · https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26 · https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26
**第一項** 国民健康保険の被保険者であつて第二十五条第一項各号のいずれかに該当するものが、施行日前に受けた療養に係る療養費又は高額療養費の支給については、なお従前の例による。
suppl-3571-80/art-26/par-1 · https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26/par-1
The provisions then in force continue to govern the payment of medical expenses or high-cost medical expenses for medical treatment received before the Effective Date by an insured person of national health insurance who falls under any of the items of Article 25, paragraph (1).
machine translation, not official
**第二項** 国民健康保険法第三十六条第四項に規定する療養取扱機関が施行日前にした偽りその他不正の行為により支払われた療養の給付に関する費用の返還については、なお従前の例による。
suppl-3571-80/art-26/par-2 · https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26/par-2 · https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26/par-2
The provisions then in force continue to govern the return of expenses for benefits for medical treatment paid by means of deception or other wrongful acts committed before the Effective Date by an institution handling medical treatment prescribed in Article 36, paragraph (4) of the National Health Insurance Act.
machine translation, not official
**第三項** この法律による改正後の国民健康保険法第七十六条の規定は、施行年度の翌年度（施行日が年度の初日に当たる場合は、施行年度）分の保険料から適用し、施行年度（施行日が年度の初日に当たる場合は、施行年度の前年度）分までの保険料については、なお従前の例による。
suppl-3571-80/art-26/par-3 · https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26/par-3 · https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26/par-3
The provisions of Article 76 of the National Health Insurance Act as amended by this Act apply beginning with the insurance premiums for the fiscal year following the fiscal year of enforcement (or, if the Effective Date falls on the first day of a fiscal year, the fiscal year of enforcement), and the provisions then in force continue to govern the insurance premiums up to and including those for the fiscal year of enforcement (or, if the Effective Date falls on the first day of a fiscal year, the fiscal year preceding the fiscal year of enforcement).
machine translation, not official
**第四項** 施行日前にした行為に対する国民健康保険法の規定による罰則の適用については、なお従前の例による。
suppl-3571-80/art-26/par-4 · https://japanlaw.org/ja/national-health-insurance-act/suppl-3571-80/art-26/par-4 · https://japanlaw.org/l/333AC0000000192/suppl-3571-80/art-26/par-4
The provisions then in force continue to govern the application of penal provisions under the provisions of the National Health Insurance Act to acts committed before the Effective Date.
machine translation, not official
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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-20261017T183826-014, 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