# 国民健康保険法 / National Health Insurance Act — 附　則 (Supplementary Provisions) - 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: 附　則 (Supplementary Provisions) — address `suppl-4201-97` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/suppl-4201-97 - 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. --- ## 附　則 平成二〇年一二月二六日法律第九七号 suppl-4201-97 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97 **第一項** この法律は、平成二十一年四月一日から施行する。 suppl-4201-97/par-1 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-1 This Act comes into effect on April 1, 2009. machine translation, not official **第二項** この法律の施行の日において、この法律による改正前の国民健康保険法第九条第六項の規定により被保険者資格証明書の交付を受けている世帯主の世帯に属する十五歳に達する日以後の最初の三月三十一日までの間にある被保険者（同条第三項に規定する原爆一般疾病医療費の支給等を受けることができる者を除く。）があるときは、市町村又は特別区は、この法律の施行後速やかに、当該世帯主に対し、当該被保険者に係る有効期間を六月とする被保険者証を交付するものとする。 suppl-4201-97/par-2 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-2 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-2 If, on the date this Act comes into effect, there is an insured person who belongs to the household of a Householder who has been issued a health insurance certificate pursuant to the provisions of Article 9, paragraph (6) of the National Health Insurance Act prior to amendment by this Act and who is in the period until the first March 31 on or after the day on which the insured person reaches the age of 15 (excluding a person who is eligible to receive the payment, etc. of general illness medical expenses for atomic bomb survivors prescribed in paragraph (3) of that Article), the Municipality or special ward is to, promptly after this Act comes into effect, issue to that Householder a health insurance card for that insured person with a validity period of six months. machine translation, not official **第三項** 前項の規定は、国民健康保険組合が行う国民健康保険の被保険者証について準用する。この場合において、同項中「第九条第六項」とあるのは「第二十二条において準用する同法第九条第六項」と、「世帯主」とあるのは「組合員」と、「市町村又は特別区」とあるのは「国民健康保険組合」と読み替えるものとする。 suppl-4201-97/par-3 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-3 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-3 The provisions of the preceding paragraph apply mutatis mutandis to a health insurance card for the national health insurance provided by a National Health Insurance Society. In this case, the phrase "Article 9, paragraph (6)" in that paragraph is deemed to be replaced with "Article 9, paragraph (6) of that Act as applied mutatis mutandis pursuant to Article 22", the phrase "Householder" with "Society member", and the phrase "Municipality or special ward" with "National Health Insurance Society". machine translation, not official **第四項** 市町村又は特別区は、国民健康保険の保険料（地方税法（昭和二十五年法律第二百二十六号）の規定による国民健康保険税を含む。）について、減免制度等の十分な周知を図ること等を通じて滞納を防止し、及び特別の理由があると認められないにもかかわらず滞納している者からの実効的な徴収の実施を確保するため、必要な措置を講じなければならない。 suppl-4201-97/par-4 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-4 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-4 A Municipality or special ward must take the necessary measures with respect to national health insurance premiums (including the national health insurance tax under the provisions of the Local Tax Act (Act No. 226 of 1950)), in order to prevent delinquency by, among other things, ensuring that the system of reduction and exemption, etc. is thoroughly publicized, and to ensure the effective collection from persons who are delinquent even though no special reason is found to exist. machine translation, not official --- ## Cites - suppl-4201-97/par-3: 前項 → 国民健康保険法 附則第二項 (Supplementary Provisions, paragraph (2)), suppl-4201-97/par-2 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-2 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-2 ## Cited by 1 provision cites this one. No official source publishes this direction. - 国民健康保険法 附則第三項 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4201-97/par-3 · https://japanlaw.org/l/333AC0000000192/suppl-4201-97/par-3 --- ## 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-20261017T183826-029, translated 2026-10-18 - claude-sonnet-5-5 — Machine translation, batch national-health-insurance-act-20261017T183826-030, 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