# 健康保険法 / Health Insurance Act — 第十八条 (Supplementary Provisions, Article 18)
- 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: 第十八条 (Supplementary Provisions, Article 18) — address `suppl-4101-109/art-18`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act/suppl-4101-109/art-18
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/suppl-4101-109/art-18
- 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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### 第十八条
suppl-4101-109/art-18 · https://japanlaw.org/ja/health-insurance-act/suppl-4101-109/art-18 · https://japanlaw.org/l/211AC0000000070/suppl-4101-109/art-18
**第一項** 旧健保法保険医療機関等が附則第一条第一号に掲げる規定の施行の日前にした詐欺その他不正の行為により支払われた療養の給付又は入院時食事療養費、特定療養費、家族療養費、訪問看護療養費若しくは家族訪問看護療養費の支給に関する費用の返還については、新健保法第六十七条ノ二第三項の規定にかかわらず、なお従前の例による。
suppl-4101-109/art-18/par-1 · https://japanlaw.org/ja/health-insurance-act/suppl-4101-109/art-18/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4101-109/art-18/par-1
With regard to the return of expenses pertaining to benefits for medical treatment, or to the payment of dietary treatment expenses for inpatients, medical expenses combined with treatment outside insurance coverage, dependent's medical expenses, medical expenses for home-nursing or dependent's medical expenses for home-nursing, that were paid as a result of fraud or other wrongful act committed by a Former Health Insurance Act medical institution providing services covered by health insurance, etc. before the date of enforcement of the provisions set forth in Article 1, item (i) of the Supplementary Provisions, notwithstanding the provisions of Article 67-2, paragraph (3) of the Revised Health Insurance Act, the provisions then in force continue to govern.
machine translation, not official
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## Cites
- suppl-4101-109/art-18/par-1: 附則第一条第一号 → 健康保険法 附則第一条第一項第一号 (Supplementary Provisions, Article 1, paragraph (1), item (i)), suppl-4101-109/art-1/par-1/item-1 — https://japanlaw.org/ja/health-insurance-act/suppl-4101-109/art-1/par-1/item-1 · https://japanlaw.org/l/211AC0000000070/suppl-4101-109/art-1/par-1/item-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-20261010T183826-019, 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