# 国民健康保険法 / National Health Insurance Act — 第十三条 (Article 13) - 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: 第十三条 (Article 13)（組織） — address `art-13` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/national-health-insurance-act/art-13 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-13 - 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. --- ### 第十三条（組織） — (Organization) caption: Ministry of Justice translation — Japanese Law Translation Database System art-13 · https://japanlaw.org/en/national-health-insurance-act/art-13 · https://japanlaw.org/l/333AC0000000192/art-13 **第一項** 国民健康保険組合（以下「組合」という。）は、同種の事業又は業務に従事する者で当該組合の地区内に住所を有するものを組合員として組織する。 art-13/par-1 · https://japanlaw.org/en/national-health-insurance-act/art-13/par-1 · https://japanlaw.org/l/333AC0000000192/art-13/par-1 National health insurance societies (hereinafter referred to as a "Society") shall be organized by incorporating those who are engaged in the same kind of business or work and are domiciled in the same district of a Society as its members. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の組合の地区は、一又は二以上の市町村の区域によるものとする。ただし、特別の理由があるときは、この区域によらないことができる。 art-13/par-2 · https://japanlaw.org/en/national-health-insurance-act/art-13/par-2 · https://japanlaw.org/l/333AC0000000192/art-13/par-2 The district of a Society set forth in the preceding paragraph shall consist of the area covered by one, or two or more Municipalities; provided, however, that this shall not apply if any special reason exists for not basing said district on such areas. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項の規定にかかわらず、第六条各号（第八号及び第十号を除く。）のいずれかに該当する者及び他の組合が行う国民健康保険の被保険者である者は、組合員となることができない。ただし、その者の世帯に同条各号（第十号を除く。）のいずれにも該当せず、かつ、他の組合が行う国民健康保険の被保険者でない者があるときは、この限りでない。 art-13/par-3 · https://japanlaw.org/en/national-health-insurance-act/art-13/par-3 · https://japanlaw.org/l/333AC0000000192/art-13/par-3 Notwithstanding the provisions of paragraph (1), a person shall not be eligible as a Society member if said person falls under any of the items (excluding items (viii) and (x)) of Article 6 or is an insured person under any national health insurance program provided by another Society; provided, however, that this shall not apply if said person's household includes any person who does not fall under any of the items (excluding item (x)) of the same Article and who is not an insured person under any national health insurance program provided by another Society. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第一項の規定にかかわらず、組合に使用される者で、第六条各号（第八号及び第十号を除く。）のいずれにも該当せず、かつ、他の組合が行う国民健康保険の被保険者でないものは、当該組合の組合員となることができる。 art-13/par-4 · https://japanlaw.org/en/national-health-insurance-act/art-13/par-4 · https://japanlaw.org/l/333AC0000000192/art-13/par-4 Notwithstanding the provisions of paragraph (1), a person shall be eligible as a Society member if said person is employed by said Society, does not fall under any of the items (excluding items (viii) and (x)) of Article 6, and is not an insured person under any national health insurance program provided by another Society. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-13/par-2: 前項 → 国民健康保険法 第十三条第一項 (Article 13, paragraph (1)), art-13/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-13/par-1 · https://japanlaw.org/l/333AC0000000192/art-13/par-1 - art-13/par-3: 第一項 → 国民健康保険法 第十三条第一項 (Article 13, paragraph (1)), art-13/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-13/par-1 · https://japanlaw.org/l/333AC0000000192/art-13/par-1 - art-13/par-3: 第六条 → 国民健康保険法 第六条 (Article 6), art-6 — https://japanlaw.org/en/national-health-insurance-act/art-6 · https://japanlaw.org/l/333AC0000000192/art-6 - art-13/par-3: 第八号 → 国民健康保険法 第六条第一項第八号 (Article 6, paragraph (1), item (viii)), art-6/par-1/item-8 — https://japanlaw.org/en/national-health-insurance-act/art-6/par-1/item-8 · https://japanlaw.org/l/333AC0000000192/art-6/par-1/item-8 - art-13/par-3: 第十号 → 国民健康保険法 第六条第一項第十号 (Article 6, paragraph (1), item (x)), art-6/par-1/item-10 — https://japanlaw.org/en/national-health-insurance-act/art-6/par-1/item-10 · https://japanlaw.org/l/333AC0000000192/art-6/par-1/item-10 - art-13/par-4: 第一項 → 国民健康保険法 第十三条第一項 (Article 13, paragraph (1)), art-13/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-13/par-1 · https://japanlaw.org/l/333AC0000000192/art-13/par-1 - art-13/par-4: 第六条 → 国民健康保険法 第六条 (Article 6), art-6 — https://japanlaw.org/en/national-health-insurance-act/art-6 · https://japanlaw.org/l/333AC0000000192/art-6 - art-13/par-4: 第八号 → 国民健康保険法 第六条第一項第八号 (Article 6, paragraph (1), item (viii)), art-6/par-1/item-8 — https://japanlaw.org/en/national-health-insurance-act/art-6/par-1/item-8 · https://japanlaw.org/l/333AC0000000192/art-6/par-1/item-8 - art-13/par-4: 第十号 → 国民健康保険法 第六条第一項第十号 (Article 6, paragraph (1), item (x)), art-6/par-1/item-10 — https://japanlaw.org/en/national-health-insurance-act/art-6/par-1/item-10 · https://japanlaw.org/l/333AC0000000192/art-6/par-1/item-10 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 国民健康保険法 第十三条第二項（組織） — https://japanlaw.org/en/national-health-insurance-act/art-13/par-2 · https://japanlaw.org/l/333AC0000000192/art-13/par-2 - 国民健康保険法 第十三条第三項（組織） — https://japanlaw.org/en/national-health-insurance-act/art-13/par-3 · https://japanlaw.org/l/333AC0000000192/art-13/par-3 - 国民健康保険法 第十三条第四項（組織） — https://japanlaw.org/en/national-health-insurance-act/art-13/par-4 · https://japanlaw.org/l/333AC0000000192/art-13/par-4 --- ## 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 - This site's parser, version 209 — 国民健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-17