# 国民健康保険法 / National Health Insurance Act — 第十二条 (Supplementary Provisions, Article 12)
- 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: 第十二条 (Supplementary Provisions, Article 12) — address `suppl-4271-31/art-12`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/suppl-4271-31/art-12
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/suppl-4271-31/art-12
- 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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### 第十二条
suppl-4271-31/art-12 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4271-31/art-12 · https://japanlaw.org/l/333AC0000000192/suppl-4271-31/art-12
**第一項** 平成三十年改正後国保法第七十六条の規定は、平成三十年度以後の年度分の国民健康保険の保険料について適用し、平成二十九年度以前の年度分の当該保険料については、なお従前の例による。
suppl-4271-31/art-12/par-1 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4271-31/art-12/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-4271-31/art-12/par-1
The provisions of Article 76 of the National Health Insurance Act as Amended in 2018 apply to national health insurance premiums for fiscal year 2018 and subsequent fiscal years, and the provisions then in force continue to govern those premiums for fiscal year 2017 and earlier fiscal years.
machine translation, not official
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## Cites
- suppl-4271-31/art-12/par-1: 平成三十年改正後国保法第七十六条 → 国民健康保険法 第七十六条 (Article 76), art-76 — https://japanlaw.org/ja/national-health-insurance-act/art-76 · https://japanlaw.org/l/333AC0000000192/art-76
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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-20261017T183826-036, translated 2026-10-18
- This site's parser, version 211 — 国民健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-17