# 国民健康保険法 / National Health Insurance Act — 第四十二条の二 (Article 42-2) - 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: 第四十二条の二 (Article 42-2) — address `art-42-2` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/national-health-insurance-act/art-42-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/333AC0000000192/art-42-2 - 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. --- ### 第四十二条の二 art-42-2 · https://japanlaw.org/ja/national-health-insurance-act/art-42-2 · https://japanlaw.org/l/333AC0000000192/art-42-2 **第一項** 前条第一項の規定により一部負担金を支払う場合においては、同項の一部負担金の額に五円未満の端数があるときは、これを切り捨て、五円以上十円未満の端数があるときは、これを十円に切り上げるものとする。 art-42-2/par-1 · https://japanlaw.org/ja/national-health-insurance-act/art-42-2/par-1 · https://japanlaw.org/l/333AC0000000192/art-42-2/par-1 In cases where co-payment shall be made pursuant to the provisions of paragraph (1) of the preceding Article, any fraction of less than five yen in the amount of co-payment set forth in the same paragraph shall be rounded down to the nearest ten yen, whereas any fraction of more than five yen and less than ten yen shall be rounded up to the nearest ten yen. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-42-2/par-1: 前条第一項 → 国民健康保険法 第四十二条第一項 (Article 42, paragraph (1)), art-42/par-1 — https://japanlaw.org/ja/national-health-insurance-act/art-42/par-1 · https://japanlaw.org/l/333AC0000000192/art-42/par-1 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 国民健康保険法 第四十三条第四項 — https://japanlaw.org/ja/national-health-insurance-act/art-43/par-4 · https://japanlaw.org/l/333AC0000000192/art-43/par-4 - 国民健康保険法 第四十四条第三項 — https://japanlaw.org/ja/national-health-insurance-act/art-44/par-3 · https://japanlaw.org/l/333AC0000000192/art-44/par-3 - 国民健康保険法 第五十三条第四項（保険外併用療養費） — https://japanlaw.org/ja/national-health-insurance-act/art-53/par-4 · https://japanlaw.org/l/333AC0000000192/art-53/par-4 - 国民健康保険法 第五十四条の二第七項（訪問看護療養費） — https://japanlaw.org/ja/national-health-insurance-act/art-54-2/par-7 · https://japanlaw.org/l/333AC0000000192/art-54-2/par-7 --- ## 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