# 健康保険法施行令 / Order for Enforcement of the Health Insurance Act — 第四十九条 (Article 49) This is the Markdown twin of https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-49. 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. - Law: 健康保険法施行令 (Order for Enforcement of the Health Insurance Act), 大正十五年勅令第二百四十三号 - English title "Order for Enforcement of the Health Insurance Act": claude-opus-5-5 - Kind: ImperialOrder — 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: 第四十九条 (Article 49)（前納の際の控除額） — address `art-49` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-49 - e-Gov law ID: 215IO0000000243 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL 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. --- ### 第四十九条（前納の際の控除額） — Amount Deducted upon Advance Payment caption: machine translation, not official art-49 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-49 **第一項** 法第百六十五条第二項の政令で定める額は、前納に係る期間の各月の保険料の合計額から、その期間の各月の保険料の額を年四分の利率による複利現価法によって前納に係る期間の最初の月から当該各月までのそれぞれの期間に応じて割り引いた額の合計額（この額に一円未満の端数がある場合において、その端数金額が五十銭未満であるときは、これを切り捨て、その端数金額が五十銭以上であるときは、これを一円として計算する。）を控除した額とする。 art-49/par-1 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-49/par-1 The amount specified by Cabinet Order as referred to in Article 165, paragraph (2) of the Act is the amount obtained by deducting, from the total sum of the premiums for each month of the period covered by advance payment, the total sum of the amounts obtained by discounting the amount of the premium for each month of that period by the compound present value method at an annual interest rate of 4%, according to the respective periods from the first month of the period covered by the advance payment to each such month (where that total has a fractional amount of less than one yen, a fractional amount of less than 50 sen is rounded down, and a fractional amount of 50 sen or more is calculated as one yen). machine translation, not official --- ## Cites - art-49/par-1: 法第百六十五条第二項 → 健康保険法 第百六十五条第二項 (Article 165, paragraph (2)), art-165/par-2 — https://japanlaw.org/ja/health-insurance-act/art-165/par-2 (e-Gov law ID 211AC0000000070) ## Cited by 3 provisions cite this one. No official source publishes this direction. - 健康保険法施行令 第五十二条第一項（準用） — https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-52/par-1 - 健康保険法施行令 第五十三条第一項（厚生労働省令への委任） — https://japanlaw.org/ja/health-insurance-act-enforcement-order/art-53/par-1 - 健康保険法施行令 附則第二条第一項（健康保険法施行令の一部改正に伴う経過措置） — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4112-393/art-2/par-1 --- ## Sources - claude-opus-5-5 — English title of a law in this collection, written for this site, written 2026-11-06 - e-Gov 法令検索, Digital Agency (デジタル庁) — 健康保険法施行令 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/215IO0000000243/20261001_508CO0000000276), retrieved 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch health-insurance-act-enforcement-order-20261106T164949-017, translated 2026-11-08 - This site's parser, version 229 — 健康保険法施行令 — structure, counts, cross-references and defined terms, computed 2026-11-06