# 健康保険法 / Health Insurance Act — 第二十五条 (Article 25) - 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: 第二十五条 (Article 25)（設立事業所の増減） — address `art-25` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act/art-25 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/art-25 - 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. --- ### 第二十五条（設立事業所の増減） — (Increase or Decrease in Establishments) caption: Ministry of Justice translation — Japanese Law Translation Database System art-25 · https://japanlaw.org/ja/health-insurance-act/art-25 · https://japanlaw.org/l/211AC0000000070/art-25 **第一項** 健康保険組合がその設立事業所を増加させ、又は減少させようとするときは、その増加又は減少に係る適用事業所の事業主の全部及びその適用事業所に使用される被保険者の二分の一以上の同意を得なければならない。 art-25/par-1 · https://japanlaw.org/ja/health-insurance-act/art-25/par-1 · https://japanlaw.org/l/211AC0000000070/art-25/par-1 When intending to increase or decrease its number of establishments, a health insurance society must obtain consent from all employers of applicable places of business to which the increase or decrease pertains and from half or more of the insured persons employed at the applicable places of business. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 第三十一条第一項の規定による認可の申請があった事業所に係る設立事業所の増加に関する規約の変更の認可の申請を行う場合にあっては、前項中「被保険者」とあるのは、「被保険者となるべき者」とする。 art-25/par-2 · https://japanlaw.org/ja/health-insurance-act/art-25/par-2 · https://japanlaw.org/l/211AC0000000070/art-25/par-2 In the case of an application to make changes to the constitution relating to an increase in the number of establishments of a health insurance society which has applied for the authorization pursuant to the provisions of Article 31, paragraph (1), the phrase "insured persons" in the preceding paragraph is replaced with "persons to be insured". Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項の規定により健康保険組合が設立事業所を減少させるときは、健康保険組合の被保険者である組合員の数が、設立事業所を減少させた後においても、第十一条第一項（健康保険組合を共同して設立している場合にあっては、同条第二項）の政令で定める数以上でなければならない。 art-25/par-3 · https://japanlaw.org/ja/health-insurance-act/art-25/par-3 · https://japanlaw.org/l/211AC0000000070/art-25/par-3 When a health insurance society decreases its number of establishments pursuant to the provisions of paragraph (1), the number of members who are insured persons of the health insurance society must be no less than the number specified by Cabinet Order under Article 11, paragraph (1) (paragraph (2) of the same Article if the health insurance society is jointly established) even after the number of establishments has been decreased. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第十二条第二項の規定は、第一項の被保険者の同意を得る場合について準用する。 art-25/par-4 · https://japanlaw.org/ja/health-insurance-act/art-25/par-4 · https://japanlaw.org/l/211AC0000000070/art-25/par-4 The provisions of Article 12, paragraph (2) apply mutatis mutandis when consent from insured persons is obtained under paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-25/par-2: 第三十一条第一項 → 健康保険法 第三十一条第一項 (Article 31, paragraph (1)), art-31/par-1 — https://japanlaw.org/ja/health-insurance-act/art-31/par-1 · https://japanlaw.org/l/211AC0000000070/art-31/par-1 - art-25/par-2: 前項 → 健康保険法 第二十五条第一項 (Article 25, paragraph (1)), art-25/par-1 — https://japanlaw.org/ja/health-insurance-act/art-25/par-1 · https://japanlaw.org/l/211AC0000000070/art-25/par-1 - art-25/par-3: 第一項 → 健康保険法 第二十五条第一項 (Article 25, paragraph (1)), art-25/par-1 — https://japanlaw.org/ja/health-insurance-act/art-25/par-1 · https://japanlaw.org/l/211AC0000000070/art-25/par-1 - art-25/par-3: 第十一条第一項 → 健康保険法 第十一条第一項 (Article 11, paragraph (1)), art-11/par-1 — https://japanlaw.org/ja/health-insurance-act/art-11/par-1 · https://japanlaw.org/l/211AC0000000070/art-11/par-1 - art-25/par-3: 同条第二項 → 健康保険法 第十一条第二項 (Article 11, paragraph (2)), art-11/par-2 — https://japanlaw.org/ja/health-insurance-act/art-11/par-2 · https://japanlaw.org/l/211AC0000000070/art-11/par-2 - art-25/par-4: 第十二条第二項 → 健康保険法 第十二条第二項 (Article 12, paragraph (2)), art-12/par-2 — https://japanlaw.org/ja/health-insurance-act/art-12/par-2 · https://japanlaw.org/l/211AC0000000070/art-12/par-2 - art-25/par-4: 第一項 → 健康保険法 第二十五条第一項 (Article 25, paragraph (1)), art-25/par-1 — https://japanlaw.org/ja/health-insurance-act/art-25/par-1 · https://japanlaw.org/l/211AC0000000070/art-25/par-1 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 健康保険法 第二十五条第二項（設立事業所の増減） — https://japanlaw.org/ja/health-insurance-act/art-25/par-2 · https://japanlaw.org/l/211AC0000000070/art-25/par-2 - 健康保険法 第二十五条第三項（設立事業所の増減） — https://japanlaw.org/ja/health-insurance-act/art-25/par-3 · https://japanlaw.org/l/211AC0000000070/art-25/par-3 - 健康保険法 第二十五条第四項（設立事業所の増減） — https://japanlaw.org/ja/health-insurance-act/art-25/par-4 · https://japanlaw.org/l/211AC0000000070/art-25/par-4 --- ## 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 - This site's parser, version 189 — 健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-10