# 国民健康保険法 / National Health Insurance Act — 第百二十一条 (Article 121) - 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: 第百二十一条 (Article 121) — address `art-121` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/national-health-insurance-act/art-121 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-121 - 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. --- ### 第百二十一条 art-121 · https://japanlaw.org/en/national-health-insurance-act/art-121 · https://japanlaw.org/l/333AC0000000192/art-121 **第一項** 審査委員会若しくは審査会の委員若しくは連合会の役員若しくは職員又はこれらの職にあつた者が、正当な理由なしに、職務上知得した秘密を漏らしたときは、一年以下の拘禁刑又は百万円以下の罰金に処する。 art-121/par-1 · https://japanlaw.org/en/national-health-insurance-act/art-121/par-1 · https://japanlaw.org/l/333AC0000000192/art-121/par-1 When a current or former committee member of a Review Committee or an Examination Board or a current or former officer or employee of a Federation divulges, without a justifiable reason, any confidential information obtained in the course of duties, said person shall be punished by imprisonment for not more than 1 year or a fine of not more than 1,000,000 yen. machine translation, not official **第二項** 第四十五条第七項（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二第十二項において準用する場合を含む。）の規定により厚生労働大臣の定める診療報酬請求書の審査を行う者若しくはこれを行つていた者又は指定法人の役員、職員若しくはこれらの職にあつた者が、正当な理由なしに、職務上知得した秘密を漏らしたときも、前項と同様とする。 art-121/par-2 · https://japanlaw.org/en/national-health-insurance-act/art-121/par-2 · https://japanlaw.org/l/333AC0000000192/art-121/par-2 The provisions of the preceding paragraph shall also apply when a person who conducts or used to conduct the review of medical bills as specified by the Minister of Health, Labour and Welfare pursuant to the provisions of Article 45, paragraph (7) (including cases where applied mutatis mutandis pursuant to Article 52, paragraph (6), Article 52-2, paragraph (3), Article 53, paragraph (3) and Article 54-2, paragraph (12)) or a current or former officer or employee of a Designated Association divulges, without a justifiable reason, any confidential information obtained in the course of said person's duties. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-121/par-2: 第四十五条第七項 → 国民健康保険法 第四十五条第七項 (Article 45, paragraph (7)), art-45/par-7 — https://japanlaw.org/en/national-health-insurance-act/art-45/par-7 · https://japanlaw.org/l/333AC0000000192/art-45/par-7 - art-121/par-2: 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-121/par-2: 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-121/par-2: 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-121/par-2: 第五十四条の二第十二項 → 国民健康保険法 第五十四条の二第十二項 (Article 54-2, paragraph (12)), art-54-2/par-12 — https://japanlaw.org/en/national-health-insurance-act/art-54-2/par-12 · https://japanlaw.org/l/333AC0000000192/art-54-2/par-12 - art-121/par-2: 前項 → 国民健康保険法 第百二十一条第一項 (Article 121, paragraph (1)), art-121/par-1 — https://japanlaw.org/en/national-health-insurance-act/art-121/par-1 · https://japanlaw.org/l/333AC0000000192/art-121/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 国民健康保険法 第百二十一条第二項 — https://japanlaw.org/en/national-health-insurance-act/art-121/par-2 · https://japanlaw.org/l/333AC0000000192/art-121/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-20261017T183826-011, 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