# 国民健康保険法 / National Health Insurance Act — 第九条 (Article 9) - 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: 第九条 (Article 9)（届出等） — address `art-9` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/national-health-insurance-act/art-9 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-9 - 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. --- ### 第九条（届出等） — (Notification, etc.) caption: Ministry of Justice translation — Japanese Law Translation Database System art-9 · https://japanlaw.org/en/national-health-insurance-act/art-9 · https://japanlaw.org/l/333AC0000000192/art-9 **第一項** 世帯主は、厚生労働省令で定めるところにより、その世帯に属する被保険者の資格の取得及び喪失に関する事項その他必要な事項を市町村に届け出なければならない。 art-9/par-1 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-1 · https://japanlaw.org/l/333AC0000000192/art-9/par-1 A Householder must notify the Municipality of particulars regarding the acquisition and loss of eligibility for each insured person belonging to said person's household and other necessary particulars, as provided by Order of the Ministry of Health, Labour and Welfare. machine translation, not official **第二項** 世帯主と同一の世帯に属する全て又は一部の被保険者が第三十六条第三項に規定する電子資格確認を受けることができない状況にあるときは、当該世帯主は、厚生労働省令で定めるところにより、当該世帯主が住所を有する市町村に対し、当該状況にある被保険者の資格に係る情報として厚生労働省令で定める事項を記載した書面の交付又は当該事項の電磁的方法（電子情報処理組織を使用する方法その他の情報通信の技術を利用する方法であつて厚生労働省令で定めるものをいう。以下この項から第四項までにおいて同じ。）による提供を求めることができる。この場合において、当該市町村は、厚生労働省令で定めるところにより、速やかに、当該書面の交付の求めを行つた世帯主に対しては当該書面を交付するものとし、当該電磁的方法による提供の求めを行つた世帯主に対しては当該事項を電磁的方法により提供するものとする。 art-9/par-2 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-2 · https://japanlaw.org/l/333AC0000000192/art-9/par-2 If all or some of the insured persons belonging to the same household as a Householder are in a situation where they are unable to undergo the electronic eligibility confirmation prescribed in Article 36, paragraph (3), said Householder may, as provided by Order of the Ministry of Health, Labour and Welfare, request the Municipality in which said Householder has a domicile to deliver a document stating the particulars specified by Order of the Ministry of Health, Labour and Welfare as information pertaining to the eligibility of the insured persons in that situation, or to provide those particulars by electronic or magnetic means (meaning a method using an electronic data processing system or other method using information and communications technology that is specified by Order of the Ministry of Health, Labour and Welfare; the same applies hereinafter in this paragraph through paragraph (4)). In this case, the Municipality is to, as provided by Order of the Ministry of Health, Labour and Welfare, promptly deliver the document to the Householder who requested the delivery of the document, and provide the particulars by electronic or magnetic means to the Householder who requested their provision by electronic or magnetic means. machine translation, not official **第三項** 前項の規定により同項の書面の交付を受け、又は電磁的方法により同項の厚生労働省令で定める事項の提供を受けた世帯主と同一の世帯に属する被保険者は、当該書面又は当該事項を厚生労働省令で定める方法により表示したものを提示することにより、第三十六条第三項本文（第五十二条第六項、第五十二条の二第三項、第五十三条第三項及び第五十四条の三第六項において準用する場合を含む。）又は第五十四条の二第三項（第五十四条の三第六項において準用する場合を含む。）の確認を受けることができる。 art-9/par-3 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-3 · https://japanlaw.org/l/333AC0000000192/art-9/par-3 An insured person belonging to the same household as a Householder who has received the delivery of the document set forth in the preceding paragraph pursuant to the provisions of that paragraph, or who has been provided, by electronic or magnetic means, with the particulars specified by Order of the Ministry of Health, Labour and Welfare set forth in that paragraph, may receive the confirmation under the main clause of Article 36, paragraph (3) (including as applied mutatis mutandis pursuant to Article 52, paragraph (6), Article 52-2, paragraph (3), Article 53, paragraph (3) and Article 54-3, paragraph (6)) or Article 54-2, paragraph (3) (including as applied mutatis mutandis pursuant to Article 54-3, paragraph (6)) by presenting that document, or those particulars displayed by a method specified by Order of the Ministry of Health, Labour and Welfare. machine translation, not official **第四項** 世帯主は、その世帯に属する全て又は一部の被保険者の資格に係る事実の確認のため、厚生労働省令で定めるところにより、当該世帯主が住所を有する市町村に対し、当該事実を記載した書面の交付又は当該書面に記載すべき事項の電磁的方法による提供を求めることができる。この場合において、当該市町村は、厚生労働省令で定めるところにより、当該書面の交付の求めを行つた世帯主に対しては当該書面を交付するものとし、当該電磁的方法による提供の求めを行つた世帯主に対しては当該書面に記載すべき事項を電磁的方法により提供するものとする。 art-9/par-4 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-4 · https://japanlaw.org/l/333AC0000000192/art-9/par-4 A Householder may, for the purpose of confirming the facts pertaining to the eligibility of all or some of the insured persons belonging to the household, as provided by Order of the Ministry of Health, Labour and Welfare, request the Municipality in which said Householder has a domicile to deliver a document stating those facts, or to provide the particulars to be stated in that document by electronic or magnetic means. In this case, the Municipality is to, as provided by Order of the Ministry of Health, Labour and Welfare, promptly deliver the document to the Householder who requested the delivery of the document, and provide the particulars to be stated in the document by electronic or magnetic means to the Householder who requested their provision by electronic or magnetic means. machine translation, not official **第五項** 世帯主は、その世帯に属する被保険者がその資格を喪失したときは、厚生労働省令の定めるところにより、速やかに、市町村にその旨を届け出なければならない。 art-9/par-5 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-5 · https://japanlaw.org/l/333AC0000000192/art-9/par-5 When any of the insured persons belonging to a household loses eligibility as such, the Householder must, as provided by Order of the Ministry of Health, Labour and Welfare, promptly notify the Municipality thereof. machine translation, not official **第六項** 住民基本台帳法（昭和四十二年法律第八十一号）第二十二条から第二十四条まで、第二十五条、第三十条の四十六又は第三十条の四十七の規定による届出があつたとき（当該届出に係る書面に同法第二十八条の規定による付記がされたときに限る。）は、その届出と同一の事由に基づく第一項又は前項の規定による届出があつたものとみなす。 art-9/par-6 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-6 · https://japanlaw.org/l/333AC0000000192/art-9/par-6 When a notification is received pursuant to the provisions of Articles 22 through 24, Article 25, Article 30-46 or Article 30-47 of the Residential Basic Book Act (Act No. 81 of 1967) (limited to cases when a supplementary note is appended to the document pertaining to said notification pursuant to the provisions of Article 28 of the same Act), a notification pursuant to the provisions of paragraph (1) or the preceding paragraph shall be considered to have been received for the same reason as that for the above notification. machine translation, not official **第七項** 前各項に規定するもののほか、被保険者に関する届出及び被保険者の資格に関する確認に関して必要な事項は、厚生労働省令で定める。 art-9/par-7 · https://japanlaw.org/en/national-health-insurance-act/art-9/par-7 · https://japanlaw.org/l/333AC0000000192/art-9/par-7 In addition to what is provided for in each of the preceding paragraphs, necessary particulars concerning notification pertaining to insured persons and confirmation concerning the eligibility of insured persons shall be prescribed by Order of the Ministry of Health, Labour and Welfare. machine translation, not official --- ## Cites - art-9/par-2: 第三十六条第三項 → 国民健康保険法 第三十六条第三項 (Article 36, paragraph (3)), art-36/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-36/par-3 · https://japanlaw.org/l/333AC0000000192/art-36/par-3 - art-9/par-2: この項 → 国民健康保険法 第九条第二項 (Article 9, paragraph (2)), art-9/par-2 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-2 · https://japanlaw.org/l/333AC0000000192/art-9/par-2 - art-9/par-2: 第四項 → 国民健康保険法 第九条第四項 (Article 9, paragraph (4)), art-9/par-4 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-4 · https://japanlaw.org/l/333AC0000000192/art-9/par-4 - art-9/par-3: 前項 → 国民健康保険法 第九条第二項 (Article 9, paragraph (2)), art-9/par-2 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-2 · https://japanlaw.org/l/333AC0000000192/art-9/par-2 - art-9/par-3: 第三十六条第三項 → 国民健康保険法 第三十六条第三項 (Article 36, paragraph (3)), art-36/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-36/par-3 · https://japanlaw.org/l/333AC0000000192/art-36/par-3 - art-9/par-3: 第五十二条第六項 → 国民健康保険法 第五十二条第六項 (Article 52, paragraph (6)), art-52/par-6 — https://japanlaw.org/en/national-health-insurance-act/art-52/par-6 · https://japanlaw.org/l/333AC0000000192/art-52/par-6 - art-9/par-3: 第五十二条の二第三項 → 国民健康保険法 第五十二条の二第三項 (Article 52-2, paragraph (3)), art-52-2/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-52-2/par-3 · https://japanlaw.org/l/333AC0000000192/art-52-2/par-3 - art-9/par-3: 第五十三条第三項 → 国民健康保険法 第五十三条第三項 (Article 53, paragraph (3)), art-53/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-53/par-3 · https://japanlaw.org/l/333AC0000000192/art-53/par-3 - art-9/par-3: 第五十四条の三第六項 → 国民健康保険法 第五十四条の三第六項 (Article 54-3, paragraph (6)), art-54-3/par-6 — https://japanlaw.org/en/national-health-insurance-act/art-54-3/par-6 · https://japanlaw.org/l/333AC0000000192/art-54-3/par-6 - art-9/par-3: 第五十四条の二第三項 → 国民健康保険法 第五十四条の二第三項 (Article 54-2, paragraph (3)), art-54-2/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-54-2/par-3 · https://japanlaw.org/l/333AC0000000192/art-54-2/par-3 - art-9/par-6: 住民基本台帳法（昭和四十二年法律第八十一号）第二十二条から第二十四条まで → 住民基本台帳法 第二十二条 (Article 22), art-22 — https://japanlaw.org/en/residential-basic-book-act/art-22 · https://japanlaw.org/l/342AC0000000081/art-22 - art-9/par-6: 住民基本台帳法（昭和四十二年法律第八十一号）第二十二条から第二十四条まで → 住民基本台帳法 第二十三条 (Article 23), art-23 — https://japanlaw.org/en/residential-basic-book-act/art-23 · https://japanlaw.org/l/342AC0000000081/art-23 - art-9/par-6: 住民基本台帳法（昭和四十二年法律第八十一号）第二十二条から第二十四条まで → 住民基本台帳法 第二十四条 (Article 24), art-24 — https://japanlaw.org/en/residential-basic-book-act/art-24 · https://japanlaw.org/l/342AC0000000081/art-24 - art-9/par-6: 第二十五条 → 住民基本台帳法 第二十五条 (Article 25), art-25 — https://japanlaw.org/en/residential-basic-book-act/art-25 · https://japanlaw.org/l/342AC0000000081/art-25 - art-9/par-6: 第三十条の四十六 → 住民基本台帳法 第三十条の四十六 (Article 30-46), art-30-46 — https://japanlaw.org/en/residential-basic-book-act/art-30-46 · https://japanlaw.org/l/342AC0000000081/art-30-46 - art-9/par-6: 第三十条の四十七 → 住民基本台帳法 第三十条の四十七 (Article 30-47), art-30-47 — https://japanlaw.org/en/residential-basic-book-act/art-30-47 · https://japanlaw.org/l/342AC0000000081/art-30-47 - art-9/par-6: 同法第二十八条 → 住民基本台帳法 第二十八条 (Article 28), art-28 — https://japanlaw.org/en/residential-basic-book-act/art-28 · https://japanlaw.org/l/342AC0000000081/art-28 - art-9/par-6: 第一項 → 国民健康保険法 第九条第一項 (Article 9, paragraph (1)), art-9/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-1 · https://japanlaw.org/l/333AC0000000192/art-9/par-1 - art-9/par-6: 前項 → 国民健康保険法 第九条第五項 (Article 9, paragraph (5)), art-9/par-5 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-5 · https://japanlaw.org/l/333AC0000000192/art-9/par-5 - art-9/par-7: 前各項 → 国民健康保険法 第九条第一項 (Article 9, paragraph (1)), art-9/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-1 · https://japanlaw.org/l/333AC0000000192/art-9/par-1 - art-9/par-7: 前各項 → 国民健康保険法 第九条第二項 (Article 9, paragraph (2)), art-9/par-2 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-2 · https://japanlaw.org/l/333AC0000000192/art-9/par-2 - art-9/par-7: 前各項 → 国民健康保険法 第九条第三項 (Article 9, paragraph (3)), art-9/par-3 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-3 · https://japanlaw.org/l/333AC0000000192/art-9/par-3 - art-9/par-7: 前各項 → 国民健康保険法 第九条第四項 (Article 9, paragraph (4)), art-9/par-4 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-4 · https://japanlaw.org/l/333AC0000000192/art-9/par-4 - art-9/par-7: 前各項 → 国民健康保険法 第九条第五項 (Article 9, paragraph (5)), art-9/par-5 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-5 · https://japanlaw.org/l/333AC0000000192/art-9/par-5 - art-9/par-7: 前各項 → 国民健康保険法 第九条第六項 (Article 9, paragraph (6)), art-9/par-6 — https://japanlaw.org/en/national-health-insurance-act/art-9/par-6 · https://japanlaw.org/l/333AC0000000192/art-9/par-6 ## Cited by 9 provisions cite this one. No official source publishes this direction. - 国民健康保険法 第九条第二項（届出等） — https://japanlaw.org/en/national-health-insurance-act/art-9/par-2 · https://japanlaw.org/l/333AC0000000192/art-9/par-2 - 国民健康保険法 第九条第三項（届出等） — https://japanlaw.org/en/national-health-insurance-act/art-9/par-3 · https://japanlaw.org/l/333AC0000000192/art-9/par-3 - 国民健康保険法 第九条第六項（届出等） — https://japanlaw.org/en/national-health-insurance-act/art-9/par-6 · https://japanlaw.org/l/333AC0000000192/art-9/par-6 - 国民健康保険法 第九条第七項（届出等） — https://japanlaw.org/en/national-health-insurance-act/art-9/par-7 · https://japanlaw.org/l/333AC0000000192/art-9/par-7 - 国民健康保険法 第二十二条第一項（準用規定） — https://japanlaw.org/en/national-health-insurance-act/art-22/par-1 · https://japanlaw.org/l/333AC0000000192/art-22/par-1 - 国民健康保険法 第九十一条第一項（審査請求） — https://japanlaw.org/en/national-health-insurance-act/art-91/par-1 · https://japanlaw.org/l/333AC0000000192/art-91/par-1 - 国民健康保険法 第百二十七条第一項 — https://japanlaw.org/en/national-health-insurance-act/art-127/par-1 · https://japanlaw.org/l/333AC0000000192/art-127/par-1 - 国民健康保険法 附則第十五条第二項（健康保険法等の一部改正に伴う経過措置） — https://japanlaw.org/en/national-health-insurance-act/suppl-5051-48/art-15/par-2 · https://japanlaw.org/l/333AC0000000192/suppl-5051-48/art-15/par-2 - 高齢者の医療の確保に関する法律 附則第十五条第二項（健康保険法等の一部改正に伴う経過措置） — https://japanlaw.org/en/elderly-medical-care-act/suppl-5051-48/art-15/par-2 · https://japanlaw.org/l/357AC0000000080/suppl-5051-48/art-15/par-2 --- ## 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-20261017T183826-001, 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