# Health insurance society (健康保険組合, けんこうほけんくみあい) This is the Markdown twin of https://japanlaw.org/en/concepts/health-insurance-society. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - Group: Institutions, offices and documents - URL: https://japanlaw.org/en/concepts/health-insurance-society - In Japanese: https://japanlaw.org/ja/concepts/health-insurance-society - Written by: claude-opus-5-5, 2026-10-11 A corporation that runs the health insurance of the insured persons who are its members; it and the Japan Health Insurance Association (全国健康保険協会) are the two insurers of health insurance (Health Insurance Act, Articles 4, 6 and 9). It is made up of the employers of the workplaces it covers, the insured persons they employ and its insured persons with optional and continued coverage (Article 8). An employer that regularly employs at least the number of insured persons a Cabinet Order (政令) sets, or employers that reach that number together, may set one up: they draw up its constitution (規約) with the consent of at least half of the insured persons at each workplace concerned, and obtain the authorization of the Minister of Health, Labour and Welfare (Articles 11 and 12). Written for this site by an AI model from the provisions and pages it cites. Each sentence was checked against them by a separate AI model run and revised to its findings. Not reviewed by a lawyer. ## Provisions and sources it draws on - [Health Insurance Act, Arts. 4, 6, 8, 9, 11, 12](https://laws.e-gov.go.jp/law/211AC0000000070) — on this site: https://japanlaw.org/en/health-insurance-act ## Where the laws use it 13 laws in force use it in this sense, in 96 provisions; there the word opens this explanation. - [Health Insurance Act (健康保険法)](https://japanlaw.org/en/health-insurance-act): 68 provisions, among them [Article 3](https://japanlaw.org/en/health-insurance-act/art-3), [Article 4](https://japanlaw.org/en/health-insurance-act/art-4), [Article 5](https://japanlaw.org/en/health-insurance-act/art-5) - [Local Tax Act (地方税法)](https://japanlaw.org/en/local-tax-act): 8 provisions, among them [Article 25](https://japanlaw.org/en/local-tax-act/art-25), [Article 72-5](https://japanlaw.org/en/local-tax-act/art-72-5), [Article 73-4](https://japanlaw.org/en/local-tax-act/art-73-4) - [Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律)](https://japanlaw.org/en/elderly-medical-care-act): 4 provisions, among them [Article 7](https://japanlaw.org/en/elderly-medical-care-act/art-7), [Article 34](https://japanlaw.org/en/elderly-medical-care-act/art-34), [Article 168](https://japanlaw.org/en/elderly-medical-care-act/art-168) - [Long-Term Care Insurance Act (介護保険法)](https://japanlaw.org/en/long-term-care-insurance-act): 3 provisions, among them [Article 7](https://japanlaw.org/en/long-term-care-insurance-act/art-7), [Article 152](https://japanlaw.org/en/long-term-care-insurance-act/art-152), [Article 207](https://japanlaw.org/en/long-term-care-insurance-act/art-207) - [National Health Insurance Act (国民健康保険法)](https://japanlaw.org/en/national-health-insurance-act): 3 provisions, among them [Supplementary Provisions, Article 27](https://japanlaw.org/en/national-health-insurance-act/suppl-4141-102/art-27), [Supplementary Provisions, Article 4](https://japanlaw.org/en/national-health-insurance-act/suppl-4271-31/art-4), [Supplementary Provisions, Article 5](https://japanlaw.org/en/national-health-insurance-act/suppl-5051-31/art-5) - [National Pension Act (国民年金法)](https://japanlaw.org/en/national-pension-act): 2 provisions, among them [Article 12](https://japanlaw.org/en/national-pension-act/art-12), [Article 108](https://japanlaw.org/en/national-pension-act/art-108) - [Corporation Tax Act (法人税法)](https://japanlaw.org/en/corporation-tax-act): 2 provisions, among them [Supplementary Provisions](https://japanlaw.org/en/corporation-tax-act/suppl-3561-12), [Appended Table 2](https://japanlaw.org/en/corporation-tax-act/appdx-2) - [Residential Basic Book Act (住民基本台帳法)](https://japanlaw.org/en/residential-basic-book-act): 1 provision, among them [Appended Table 1](https://japanlaw.org/en/residential-basic-book-act/appdx-1) - [Medical Care Act (医療法)](https://japanlaw.org/en/medical-care-act): 1 provision, among them [Article 7-2](https://japanlaw.org/en/medical-care-act/art-7-2) - [Employees' Pension Insurance Act (厚生年金保険法)](https://japanlaw.org/en/employees-pension-insurance-act): 1 provision, among them [Article 100-2](https://japanlaw.org/en/employees-pension-insurance-act/art-100-2) - [Income Tax Act (所得税法)](https://japanlaw.org/en/income-tax-act): 1 provision, among them [Appended Table 1](https://japanlaw.org/en/income-tax-act/appdx-1) - [Consumption Tax Act (消費税法)](https://japanlaw.org/en/consumption-tax-act): 1 provision, among them [Appended Table 3](https://japanlaw.org/en/consumption-tax-act/appdx-3) - [Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律)](https://japanlaw.org/en/my-number-act): 1 provision, among them [Appended Table 1](https://japanlaw.org/en/my-number-act/appdx-1) ## Related - [Cabinet Order (政令, せいれい)](https://japanlaw.org/en/concepts/cabinet-order) --- ## Sources - Explanation: Written for this site with AI (claude-opus-5-5, 2026-10-11) - Where it is used, and how often: Worked out by this site from e-Gov's text - English names of the laws: Japanese Law Translation, Ministry of Justice (13 records)