# 国民健康保険法 / National Health Insurance Act — 第二十三条 (Supplementary Provisions, Article 23) - 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: 第二十三条 (Supplementary Provisions, Article 23) — address `suppl-4141-102/art-23` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23 - 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. --- ### 第二十三条 suppl-4141-102/art-23 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23 **第一項** 平成十二年度及び平成十三年度につき国民健康保険法第六十八条の二第一項の規定により指定を受けた市町村について第四条の規定による改正後の国民健康保険法（以下「新国保法」という。）第七十条第三項の規定を適用する場合においては、同項第二号ロに規定する額については、同号ロの規定にかかわらず、第一号に掲げる額から第二号に掲げる額を控除した額とする。 suppl-4141-102/art-23/par-1 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1 In the case of applying the provisions of Article 70, paragraph (3) of the National Health Insurance Act as amended by the provisions of Article 4 (hereinafter referred to as the "Revised National Health Insurance Act") to a Municipality that has been designated, for fiscal years 2000 and 2001, pursuant to Article 68-2, paragraph (1) of the National Health Insurance Act, the amount prescribed in item (ii), (b) of that paragraph is, notwithstanding the provisions of (b) of that item, the amount obtained by deducting the amount set forth in item (ii) from the amount set forth in item (i). machine translation, not official **一** 政令で定めるところにより、年齢階層ごとに、当該年齢階層に係る平均一人当たり老人医療費額に当該市町村の当該年齢階層に属する被保険者（老人保健法の規定による医療を受けることができる者に限る。）の数を乗じて得た額の合算額に、当該市町村に係る指定年度の同法第五十六条第二項の確定加入者調整率を乗じて得た額の十分の七に相当する額として算定した額 suppl-4141-102/art-23/par-1/item-1 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-1 the amount calculated, pursuant to Cabinet Order, as an amount equivalent to 7/10 of the amount obtained by multiplying the total sum of the amounts obtained, for each age bracket, by multiplying the average amount of medical expenses for the elderly per person pertaining to that age bracket by the number of insured persons of that Municipality belonging to that age bracket (limited to persons who can receive medical care under the provisions of the Act on Health and Medical Services for the Elderly) by the finalized enrollee adjustment rate under Article 56, paragraph (2) of that Act for the designated fiscal year pertaining to that Municipality machine translation, not official **二** 前号に掲げる額に当該市町村に係る被保険者の総数に対する退職被保険者及びその被扶養者（以下「退職被保険者等」という。）の総数の割合として政令で定めるところにより算定した割合（以下「退職被保険者等加入割合」という。）を乗じて得た額の二分の一に相当する額 suppl-4141-102/art-23/par-1/item-2 · https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-2 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-2 the amount equivalent to 1/2 of the amount obtained by multiplying the amount set forth in the preceding item by the ratio, calculated pursuant to Cabinet Order, of the total number of retired insured persons and their dependents (hereinafter referred to as "retired insured persons, etc.") to the total number of insured persons of that Municipality (hereinafter referred to as the "enrolment ratio of retired insured persons, etc.") machine translation, not official --- ## Cites - suppl-4141-102/art-23/par-1: 第一号 → 国民健康保険法 附則第二十三条第一項第一号 (Supplementary Provisions, Article 23, paragraph (1), item (i)), suppl-4141-102/art-23/par-1/item-1 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-1 - suppl-4141-102/art-23/par-1: 第二号 → 国民健康保険法 附則第二十三条第一項第二号 (Supplementary Provisions, Article 23, paragraph (1), item (ii)), suppl-4141-102/art-23/par-1/item-2 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-2 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-2 - suppl-4141-102/art-23/par-1/item-2: 前号 → 国民健康保険法 附則第二十三条第一項第一号 (Supplementary Provisions, Article 23, paragraph (1), item (i)), suppl-4141-102/art-23/par-1/item-1 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-1 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 国民健康保険法 附則第二十三条第一項 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1 - 国民健康保険法 附則第二十三条第一項第二号 — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-23/par-1/item-2 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-23/par-1/item-2 - 国民健康保険法 附則第三十六条第一項（政令への委任） — https://japanlaw.org/ja/national-health-insurance-act/suppl-4141-102/art-36/par-1 · https://japanlaw.org/l/333AC0000000192/suppl-4141-102/art-36/par-1 --- ## 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-20261017T183826-022, 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