# 高齢者の医療の確保に関する法律 / Act on Assurance of Medical Care for Elderly People — 第百二十五条の四 (Article 125-4) - Law: 高齢者の医療の確保に関する法律 (Act on Assurance of Medical Care for Elderly People), 昭和五十七年法律第八十号 - English title "Act on Assurance of Medical Care for Elderly People": 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: 第百二十五条の四 (Article 125-4)（高齢者保健事業の関係機関又は関係団体への委託） — address `art-125-4` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/elderly-medical-care-act/art-125-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/357AC0000000080/art-125-4 - 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. --- ### 第百二十五条の四（高齢者保健事業の関係機関又は関係団体への委託） — (Entrustment of Health Services for the Elderly to Relevant Organizations or Groups) caption: Ministry of Justice translation — Japanese Law Translation Database System art-125-4 · https://japanlaw.org/ja/elderly-medical-care-act/art-125-4 · https://japanlaw.org/l/357AC0000000080/art-125-4 **第一項** 後期高齢者医療広域連合は、高齢者保健事業の一部について、高齢者保健事業を適切かつ確実に実施することができると認められる関係機関又は関係団体（都道府県及び市町村を除く。以下この条において同じ。）に対し、その実施を委託することができる。この場合において、後期高齢者医療広域連合は、当該委託を受けた関係機関又は関係団体に対し、委託した高齢者保健事業の実施に必要な範囲内において、自らが保有する、又は前条第四項の規定により提供を受けた被保険者に係る医療及び介護に関する情報等その他高齢者保健事業を効果的かつ効率的に実施するために必要な情報として厚生労働省令で定めるものを提供することができる。 art-125-4/par-1 · https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-1 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-1 An Association of Medical Care Systems for the Elderly Aged 75 and older may entrust part of its health services for the elderly to a relevant organization or group (excluding a prefecture or municipality; hereinafter the same applies in this Article) that is found to be capable of implementing health services for the elderly appropriately and reliably. In this case, the Association of Medical Care Systems for the Elderly Aged 75 and older may provide to the entrusted relevant organization or group, within the scope necessary for implementing the entrusted health services for the elderly, information, etc. concerning medical care and nursing care for the insured which it possesses or which it has received pursuant to the provisions of paragraph (4) of the preceding Article, and any other information specified by Order of the Ministry of Health, Labour and Welfare as necessary for implementing health services for the elderly effectively and efficiently. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "A Association of Medical Care Systems for the Elderly Aged 75 and older may entrust part of its health services for the elderly to a relevant organization or relevant organization (excluding a prefecture or municipality; hereinafter the same applies in this Article) that is found to be capable of implementing health services for the elderly appropriately and reliably. In this case, the Association of Medical Care Systems for the Elderly Aged 75 and older may provide to the entrusted relevant organization or relevant organization, within the scope necessary for implementing the entrusted health services for the elderly, information, etc. concerning medical care and nursing care for the insured which it possesses or which it has received pursuant to the provisions of paragraph (4) of the preceding Article, and any other information specified by Order of the Order of the Ministry of Health, Labour and Welfare as necessary for implementing health services for the elderly effectively and efficiently." — https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb **第二項** 第百二十五条の二第一項前段の規定により委託を受けた市町村は、当該委託を受けた高齢者保健事業の一部について、高齢者保健事業を適切かつ確実に実施することができると認められる関係機関又は関係団体に対し、その実施を委託することができる。この場合において、市町村は、当該委託を受けた関係機関又は関係団体に対し、委託した高齢者保健事業の実施に必要な範囲内において、自らが保有する、又は同項後段若しくは前条第四項の規定により提供を受けた被保険者に係る医療及び介護に関する情報等その他高齢者保健事業を効果的かつ効率的に実施するために必要な情報として厚生労働省令で定めるものを提供することができる。 art-125-4/par-2 · https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-2 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-2 A Municipality that has been entrusted pursuant to the provisions of the first sentence of Article 125-2, paragraph (1) may entrust part of the entrusted health services for the elderly to a Relevant Organization or Group that is found to be capable of implementing the health services for the elderly appropriately and reliably. In this case, the Municipality may provide the entrusted Relevant Organization or Group, to the extent necessary to implement the entrusted health services for the elderly, with the Information, etc. on medical care and nursing care for the insured which it possesses or which it has been provided pursuant to the provisions of the second sentence of the same paragraph or paragraph (4) of the preceding Article, and any other Information specified by Order of the Ministry of Health, Labour and Welfare as necessary for implementing the health services for the elderly effectively and efficiently. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "A Municipality that has been entrusted pursuant to the provisions of the first sentence of Article 125-2, paragraph (1) may entrust part of the entrusted health services for the elderly to a Relevant Organization or Relevant Organization that is found to be capable of implementing the health services for the elderly appropriately and reliably. In this case, the Municipality may provide the entrusted Relevant Organization or Relevant Organization, to the extent necessary to implement the entrusted health services for the elderly, with the Information, etc. on medical care and nursing care for the insured which it possesses or which it has been provided pursuant to the provisions of the second sentence of the same paragraph or paragraph (4) of the preceding Article, and any other Information specified by Order of Order of the Ministry of Health, Labour and Welfare as necessary for implementing the health services for the elderly effectively and efficiently." — https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb **第三項** 第一項前段又は前項前段の規定により委託を受けた関係機関又は関係団体の役員若しくは職員又はこれらの職にあつた者は、高齢者保健事業の実施に関して知り得た個人の秘密を正当な理由がなく漏らしてはならない。 art-125-4/par-3 · https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-3 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-3 It is prohibited for the current or former officer or employee of a relevant organization or group entrusted pursuant to the first sentence of paragraph (1) or the first sentence of the preceding paragraph to divulge any individual confidential information learned in the course of implementing elderly health services, without a legitimate reason for doing so. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "It is prohibited for the current or former officer or employee of a relevant organization or organization entrusted pursuant to the first sentence of paragraph (1) or the first sentence of the preceding paragraph to divulge any individual confidential information learned in the course of implementing elderly health services, without a legitimate reason for doing so." — https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb --- ## Cites - art-125-4/par-1: この条 → 高齢者の医療の確保に関する法律 第百二十五条の四 (Article 125-4), art-125-4 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-4 · https://japanlaw.org/l/357AC0000000080/art-125-4 - art-125-4/par-1: 前条第四項 → 高齢者の医療の確保に関する法律 第百二十五条の三第四項 (Article 125-3, paragraph (4)), art-125-3/par-4 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-3/par-4 · https://japanlaw.org/l/357AC0000000080/art-125-3/par-4 - art-125-4/par-2: 第百二十五条の二第一項 → 高齢者の医療の確保に関する法律 第百二十五条の二第一項 (Article 125-2, paragraph (1)), art-125-2/par-1 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-2/par-1 · https://japanlaw.org/l/357AC0000000080/art-125-2/par-1 - art-125-4/par-2: 前条第四項 → 高齢者の医療の確保に関する法律 第百二十五条の三第四項 (Article 125-3, paragraph (4)), art-125-3/par-4 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-3/par-4 · https://japanlaw.org/l/357AC0000000080/art-125-3/par-4 - art-125-4/par-3: 第一項 → 高齢者の医療の確保に関する法律 第百二十五条の四第一項 (Article 125-4, paragraph (1)), art-125-4/par-1 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-1 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-1 - art-125-4/par-3: 前項 → 高齢者の医療の確保に関する法律 第百二十五条の四第二項 (Article 125-4, paragraph (2)), art-125-4/par-2 — https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-2 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-2 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 高齢者の医療の確保に関する法律 第百二十五条の三第二項（高齢者保健事業に関する情報の提供） — https://japanlaw.org/ja/elderly-medical-care-act/art-125-3/par-2 · https://japanlaw.org/l/357AC0000000080/art-125-3/par-2 - 高齢者の医療の確保に関する法律 第百二十五条の四第一項（高齢者保健事業の関係機関又は関係団体への委託） — https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-1 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-1 - 高齢者の医療の確保に関する法律 第百二十五条の四第三項（高齢者保健事業の関係機関又は関係団体への委託） — https://japanlaw.org/ja/elderly-medical-care-act/art-125-4/par-3 · https://japanlaw.org/l/357AC0000000080/art-125-4/par-3 - 高齢者の医療の確保に関する法律 第百六十七条第一項 — https://japanlaw.org/ja/elderly-medical-care-act/art-167/par-1 · https://japanlaw.org/l/357AC0000000080/art-167/par-1 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of 高齢者の医療の確保に関する法律, written 2026-10-19 - e-Gov 法令検索, Digital Agency (デジタル庁) — 高齢者の医療の確保に関する法律 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/357AC0000000080/20261001_507AC0000000087), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Assurance of Medical Care for Elderly People — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律), Article 125-4, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律), Article 125-4, paragraph (2) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律), Article 125-4, paragraph (3) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4903/tb), retrieved 2026-10-19 - This site's parser, version 209 — 高齢者の医療の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-10-19