# 健康保険法 / Health Insurance Act — 第四十三条の三 (Article 43-3) - Law: 健康保険法 (Health Insurance Act), 大正十一年法律第七十号 - English title "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: 第四十三条の三 (Article 43-3)（産前産後休業を終了した際の改定） — address `art-43-3` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/health-insurance-act/art-43-3 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/211AC0000000070/art-43-3 - 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. --- ### 第四十三条の三（産前産後休業を終了した際の改定） — (Amount Revised after End of Maternity Leave) caption: Ministry of Justice translation — Japanese Law Translation Database System art-43-3 · https://japanlaw.org/en/health-insurance-act/art-43-3 · https://japanlaw.org/l/211AC0000000070/art-43-3 **第一項** 保険者等は、産前産後休業（出産の日（出産の日が出産の予定日後であるときは、出産の予定日）以前四十二日（多胎妊娠の場合においては、九十八日）から出産の日後五十六日までの間において労務に服さないこと（妊娠又は出産に関する事由を理由として労務に服さない場合に限る。）をいう。以下同じ。）を終了した被保険者が、当該産前産後休業を終了した日（以下この条において「産前産後休業終了日」という。）において当該産前産後休業に係る子を養育する場合において、その使用される事業所の事業主を経由して厚生労働省令で定めるところにより保険者等に申出をしたときは、第四十一条の規定にかかわらず、産前産後休業終了日の翌日が属する月以後三月間（産前産後休業終了日の翌日において使用される事業所で継続して使用された期間に限るものとし、かつ、報酬支払の基礎となった日数が十七日未満である月があるときは、その月を除く。）に受けた報酬の総額をその期間の月数で除して得た額を報酬月額として、標準報酬月額を改定する。ただし、産前産後休業終了日の翌日に育児休業等を開始している被保険者は、この限りでない。 art-43-3/par-1 · https://japanlaw.org/en/health-insurance-act/art-43-3/par-1 · https://japanlaw.org/l/211AC0000000070/art-43-3/par-1 If maternity leave (meaning not engaging in labor for the period from 42 days (98 days in the case of multiple fetuses) before the day of childbirth (the due date of childbirth if the day of childbirth is after the due date of childbirth) to 56 days after the day of childbirth (limited to not engaging in labor for reasons relating to pregnancy or childbirth); hereinafter the same applies) taken by an insured person ends and the person is taking care of a child to which the maternity leave pertains on the last day of the maternity leave (referred to as "last day of maternity leave" hereinafter in this Article) after submitting a request to the insurer via the employer of the place of business employing the person as specified by Order of the Ministry of Health, Labour and Welfare, the standard monthly remuneration amount is revised by setting the amount obtained by dividing the total amount of remuneration received for the three months beginning with the month which includes the day following the last day of maternity leave (limited to a period of consecutive employment at the place of business employing the person on the day following the last day of maternity leave; and excluding any month in which the number of days based on which remuneration is paid is less than 17 days) by the number of months in that period as the monthly remuneration amount, notwithstanding the provisions of Article 41; provided, however, that this does not apply to an insured person who commences childcare leave on the day following the last day of maternity leave. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "If maternity leave (meaning not engaging in labor for the period from 42 days (98 days in the case of multiple fetuses) before the day of childbirth (the due date of childbirth if the day of childbirth is after the due date of childbirth); hereinafter the same applies) to 56 days after the day of childbirth) taken by an insured person ends and the person is taking care of a child less than three years of age to which the maternity leave pertains on the last day of the maternity leave (referred to as "last day of maternity leave" hereinafter in this Article) after submitting a request to the insurer via the employer of the place of business employing the person as specified by Order of the Ministry of Health, Labour and Welfare, the standard monthly remuneration amount is revised by setting the amount obtained by dividing the total amount of remuneration received for the three months (limited to a period of consecutive employment at the place of business employing the person on the day following the last day of maternity leave; and excluding any month in which the number of days based on which remuneration is paid is less than 17 days) following the month which includes the day following the last day of maternity leave by three as the monthly remuneration amount, notwithstanding the provisions Article 41; provided, however, that this does not apply to an insured person who commences childcare leave on the day following the last day of maternity leave." — https://www.japaneselawtranslation.go.jp/en/laws/view/3266/tb **第二項** 前項の規定によって改定された標準報酬月額は、産前産後休業終了日の翌日から起算して二月を経過した日の属する月の翌月からその年の八月（当該翌月が七月から十二月までのいずれかの月である場合は、翌年の八月）までの各月の標準報酬月額とする。 art-43-3/par-2 · https://japanlaw.org/en/health-insurance-act/art-43-3/par-2 · https://japanlaw.org/l/211AC0000000070/art-43-3/par-2 A standard monthly remuneration amount revised pursuant to the provisions of the preceding paragraph is the standard monthly remuneration amount for each month since the month following the month which includes the day on which two years have elapsed since the day following the last day of maternity leave until August in that year (August in the following year if that following month is any of September to December). Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-43-3/par-1: この条 → 健康保険法 第四十三条の三 (Article 43-3), art-43-3 — https://japanlaw.org/en/health-insurance-act/art-43-3 · https://japanlaw.org/l/211AC0000000070/art-43-3 - art-43-3/par-1: 第四十一条 → 健康保険法 第四十一条 (Article 41), art-41 — https://japanlaw.org/en/health-insurance-act/art-41 · https://japanlaw.org/l/211AC0000000070/art-41 - art-43-3/par-2: 前項 → 健康保険法 第四十三条の三第一項 (Article 43-3, paragraph (1)), art-43-3/par-1 — https://japanlaw.org/en/health-insurance-act/art-43-3/par-1 · https://japanlaw.org/l/211AC0000000070/art-43-3/par-1 ## Cited by 15 provisions cite this one. No official source publishes this direction. - 健康保険法 第四十一条第一項（定時決定） — https://japanlaw.org/en/health-insurance-act/art-41/par-1 · https://japanlaw.org/l/211AC0000000070/art-41/par-1 - 健康保険法 第四十一条第三項（定時決定） — https://japanlaw.org/en/health-insurance-act/art-41/par-3 · https://japanlaw.org/l/211AC0000000070/art-41/par-3 - 健康保険法 第四十三条の二第一項（育児休業等を終了した際の改定） — https://japanlaw.org/en/health-insurance-act/art-43-2/par-1 · https://japanlaw.org/l/211AC0000000070/art-43-2/par-1 - 健康保険法 第四十三条の三第一項（産前産後休業を終了した際の改定） — https://japanlaw.org/en/health-insurance-act/art-43-3/par-1 · https://japanlaw.org/l/211AC0000000070/art-43-3/par-1 - 健康保険法 第四十三条の三第二項（産前産後休業を終了した際の改定） — https://japanlaw.org/en/health-insurance-act/art-43-3/par-2 · https://japanlaw.org/l/211AC0000000070/art-43-3/par-2 - 健康保険法 第四十四条第一項（報酬月額の算定の特例） — https://japanlaw.org/en/health-insurance-act/art-44/par-1 · https://japanlaw.org/l/211AC0000000070/art-44/par-1 - 健康保険法 第四十四条第三項（報酬月額の算定の特例） — https://japanlaw.org/en/health-insurance-act/art-44/par-3 · https://japanlaw.org/l/211AC0000000070/art-44/par-3 - 健康保険法 第四十七条第一項（任意継続被保険者の標準報酬月額） — https://japanlaw.org/en/health-insurance-act/art-47/par-1 · https://japanlaw.org/l/211AC0000000070/art-47/par-1 - 健康保険法 第二百四条第一項第五号（機構への厚生労働大臣の権限に係る事務の委任） — https://japanlaw.org/en/health-insurance-act/art-204/par-1/item-5 · https://japanlaw.org/l/211AC0000000070/art-204/par-1/item-5 - 健康保険法 附則第三条第四項（特定健康保険組合） — https://japanlaw.org/en/health-insurance-act/suppl-2111-70/art-3/par-4 · https://japanlaw.org/l/211AC0000000070/suppl-2111-70/art-3/par-4 - 健康保険法 附則第八条第五項（保険医及び保険薬剤師に関する経過措置） — https://japanlaw.org/en/health-insurance-act/suppl-3321-42/art-8/par-5 · https://japanlaw.org/l/211AC0000000070/suppl-3321-42/art-8/par-5 - 健康保険法 附則第六項（健康保険法の一部改正に伴う経過措置） — https://japanlaw.org/en/health-insurance-act/suppl-4091-105/par-6 · https://japanlaw.org/l/211AC0000000070/suppl-4091-105/par-6 - 健康保険法 附則第十四条第一項 — https://japanlaw.org/en/health-insurance-act/suppl-4101-109/art-14/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4101-109/art-14/par-1 - 健康保険法 附則第四十七条第一項（健康保険の産前産後休業を終了した際の改定に関する経過措置） — https://japanlaw.org/en/health-insurance-act/suppl-4241-62/art-47/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4241-62/art-47/par-1 - 健康保険法 附則第四十八条第一項（健康保険の産前産後休業期間中の被保険者の特例に関する経過措置） — https://japanlaw.org/en/health-insurance-act/suppl-4241-62/art-48/par-1 · https://japanlaw.org/l/211AC0000000070/suppl-4241-62/art-48/par-1 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-10-11 - e-Gov 法令検索, Digital Agency (デジタル庁) — 健康保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/211AC0000000070/20261001_507AC0000000087), retrieved 2026-10-10 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Health Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3266/tb), retrieved 2026-10-10 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Health Insurance Act (健康保険法), Article 43-3, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/3266/tb), retrieved 2026-10-10 - This site's parser, version 189 — 健康保険法 — structure, counts, cross-references and defined terms, computed 2026-10-10