# 健康保険法施行令 / Order for Enforcement of the Health Insurance Act — 第六条 (Supplementary Provisions, Article 6) This is the Markdown twin of https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6. 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: 第六条 (Supplementary Provisions, Article 6) — address `suppl-4212-63/art-6` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6 - 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. --- ### 第六条 suppl-4212-63/art-6 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6 **第一項** 都道府県単位保険料率の変更の場合における当該都道府県単位保険料率の算定についての平成十八年健保法等改正法附則第三十一条の規定に基づく調整は、次の各号に掲げる都道府県単位保険料率の区分に応じ、当該各号に定めるところにより行うものとする。 suppl-4212-63/art-6/par-1 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1 The adjustment under Article 31 of the Supplementary Provisions of the 2006 Health Insurance Act, etc. Amendment Act for the calculation of a premium rate for each prefecture in the case where that premium rate for each prefecture is changed is to be carried out, in accordance with the category of premium rates for each prefecture listed in the following items, as specified in those items. machine translation, not official **一** 経過措置期間適用月の属する事業年度における第一号都道府県単位保険料率が当該経過措置期間適用月の属する事業年度における第一号平均保険料率以上である場合　厚生労働省令で定めるところにより、イからニまでに掲げる率を合算した率からホに掲げる率を控除した率を当該都道府県単位保険料率とすること。 suppl-4212-63/art-6/par-1/item-1 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1 in the case where the item (i) premium rate for each prefecture in the business year to which the transitional month of application belongs is equal to or more than the item (i) average premium rate in the business year to which the transitional month of application belongs: to make the rate obtained by deducting the rate listed in (e) from the rate obtained by adding together the rates listed in (a) through (d) the premium rate for each prefecture, as specified by Order of the Ministry of Health, Labour and Welfare; machine translation, not official **イ** 当該経過措置期間適用月の属する事業年度における第一号平均保険料率 suppl-4212-63/art-6/par-1/item-1/sub-1 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-1 the item (i) average premium rate in the business year to which that transitional month of application belongs; machine translation, not official **ロ** 当該経過措置期間適用月の属する事業年度における第一号都道府県単位保険料率から当該経過措置期間適用月の属する事業年度における第一号平均保険料率を控除した率に、当該経過措置期間適用月の属する事業年度におけるこの条の規定による調整前の都道府県単位保険料率の分布状況及び当該経過措置期間適用月から平成三十二年三月までの期間を勘案して、平成二十一年度調整基礎率と当該経過措置期間適用月の属する事業年度における最高第一号都道府県単位保険料率から当該第一号平均保険料率を控除した率との差の範囲内において、厚生労働大臣が定める平成二十二年度以降調整基礎率を当該最高第一号都道府県単位保険料率から当該第一号平均保険料率を控除した率で除して得た率を乗じて得た率 suppl-4212-63/art-6/par-1/item-1/sub-2 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-2 the rate obtained by multiplying the rate obtained by deducting the item (i) average premium rate in the business year to which that transitional month of application belongs from the item (i) premium rate for each prefecture in the business year to which that transitional month of application belongs, by the rate obtained by dividing the adjustment base rate for fiscal 2010 and thereafter, which the Minister of Health, Labour and Welfare specifies, taking into account the distribution of the premium rates for each prefecture before adjustment under the provisions of this Article in the business year to which that transitional month of application belongs and the period from that transitional month of application through March 2020, within the range of the difference between the fiscal 2009 adjustment base rate and the rate obtained by deducting that item (i) average premium rate from the highest item (i) premium rate for each prefecture in the business year to which that transitional month of application belongs, by the rate obtained by deducting that item (i) average premium rate from that highest item (i) premium rate for each prefecture; machine translation, not official **ハ** 当該経過措置期間適用月の属する事業年度における第二号都道府県単位保険料率 suppl-4212-63/art-6/par-1/item-1/sub-3 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-3 the item (ii) premium rate for each prefecture in the business year to which that transitional month of application belongs; machine translation, not official **ニ** 当該経過措置期間適用月の属する事業年度における第三号都道府県単位保険料率 suppl-4212-63/art-6/par-1/item-1/sub-4 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-4 the item (iii) premium rate for each prefecture in the business year to which that transitional month of application belongs; and machine translation, not official **ホ** 当該経過措置期間適用月の属する事業年度における収入等見込額相当率 suppl-4212-63/art-6/par-1/item-1/sub-5 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-5 the rate equivalent to estimated revenue, etc. in the business year to which that transitional month of application belongs; machine translation, not official **二** 経過措置期間適用月の属する事業年度における第一号都道府県単位保険料率が当該経過措置期間適用月の属する事業年度における第一号平均保険料率未満である場合　厚生労働省令で定めるところにより、イに掲げる率からロに掲げる率を控除した率にハ及びニに掲げる率を合算した率を加えた率からホに掲げる率を控除した率を当該都道府県単位保険料率とすること。 suppl-4212-63/art-6/par-1/item-2 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2 in the case where the item (i) premium rate for each prefecture in the business year to which the transitional month of application belongs is less than the item (i) average premium rate in the business year to which the transitional month of application belongs: to make the rate obtained by deducting the rate listed in (e) from the rate obtained by adding, to the rate obtained by deducting the rate listed in (b) from the rate listed in (a), the rate obtained by adding together the rates listed in (c) and (d) the premium rate for each prefecture, as specified by Order of the Ministry of Health, Labour and Welfare. machine translation, not official **イ** 当該経過措置期間適用月の属する事業年度における第一号平均保険料率 suppl-4212-63/art-6/par-1/item-2/sub-1 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-1 the item (i) average premium rate in the business year to which that transitional month of application belongs; machine translation, not official **ロ** 当該経過措置期間適用月の属する事業年度における第一号平均保険料率から当該経過措置期間適用月の属する事業年度における第一号都道府県単位保険料率を控除した率に、前号ロの平成二十二年度以降調整基礎率を当該経過措置期間適用月の属する事業年度における最高第一号都道府県単位保険料率から当該第一号平均保険料率を控除した率で除して得た率を乗じて得た率 suppl-4212-63/art-6/par-1/item-2/sub-2 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-2 the rate obtained by multiplying the rate obtained by deducting the item (i) premium rate for each prefecture in the business year to which that transitional month of application belongs from the item (i) average premium rate in the business year to which that transitional month of application belongs, by the rate obtained by dividing the adjustment base rate for fiscal 2010 and thereafter referred to in (b) of the preceding item by the rate obtained by deducting that item (i) average premium rate from the highest item (i) premium rate for each prefecture in the business year to which that transitional month of application belongs; machine translation, not official **ハ** 当該経過措置期間適用月の属する事業年度における第二号都道府県単位保険料率 suppl-4212-63/art-6/par-1/item-2/sub-3 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-3 the item (ii) premium rate for each prefecture in the business year to which that transitional month of application belongs; machine translation, not official **ニ** 当該経過措置期間適用月の属する事業年度における第三号都道府県単位保険料率 suppl-4212-63/art-6/par-1/item-2/sub-4 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-4 the item (iii) premium rate for each prefecture in the business year to which that transitional month of application belongs; and machine translation, not official **ホ** 当該経過措置期間適用月の属する事業年度における収入等見込額相当率 suppl-4212-63/art-6/par-1/item-2/sub-5 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-5 the rate equivalent to estimated revenue, etc. in the business year to which that transitional month of application belongs. machine translation, not official **第二項** 前項第一号ロの平成二十二年度以降調整基礎率は、平成二十二年度から平成三十一年度までの各事業年度ごとに適用されるべき率として、それぞれ当該各事業年度の前事業年度末までに、当該各事業年度の前事業年度に適用されるべきものとして定めた同号ロの平成二十二年度以降調整基礎率以上の率として定めるものとする。ただし、平成二十二年度に適用されるべき同号ロの平成二十二年度以降調整基礎率は、平成二十一年度調整基礎率以上の率とする。 suppl-4212-63/art-6/par-2 · https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-2 The adjustment base rate for fiscal 2010 and thereafter referred to in (b) of item (i) of the preceding paragraph is to be set, as the rate to be applied for each business year from fiscal 2010 through fiscal 2019, by the end of the business year preceding each such business year, as a rate that is equal to or more than the adjustment base rate for fiscal 2010 and thereafter referred to in (b) of that item that was set as that to be applied in the business year preceding each such business year; provided, however, that the adjustment base rate for fiscal 2010 and thereafter referred to in (b) of that item that is to be applied in fiscal 2010 is a rate that is equal to or more than the fiscal 2009 adjustment base rate. machine translation, not official --- ## Cites - suppl-4212-63/art-6/par-1/item-1/sub-2: この条 → 健康保険法施行令 附則第六条 (Supplementary Provisions, Article 6), suppl-4212-63/art-6 — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6 - suppl-4212-63/art-6/par-1/item-2/sub-2: 前号 → 健康保険法施行令 附則第六条第一項第一号 (Supplementary Provisions, Article 6, paragraph (1), item (i)), suppl-4212-63/art-6/par-1/item-1 — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1 - suppl-4212-63/art-6/par-2: 前項第一号 → 健康保険法施行令 附則第六条第一項第一号 (Supplementary Provisions, Article 6, paragraph (1), item (i)), suppl-4212-63/art-6/par-1/item-1 — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 健康保険法施行令 附則第五条第一項（都道府県単位保険料率の変更の場合における調整） — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-5/par-1 - 健康保険法施行令 附則第六条第一項第一号ロ — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-1/sub-2 - 健康保険法施行令 附則第六条第一項第二号ロ — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-1/item-2/sub-2 - 健康保険法施行令 附則第六条第二項 — https://japanlaw.org/ja/health-insurance-act-enforcement-order/suppl-4212-63/art-6/par-2 --- ## 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-20261106T164949-031, translated 2026-11-07 - 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