# 厚生年金保険法 / Employees' Pension Insurance Act — 第二十三条の二 (Article 23-2) - Law: 厚生年金保険法 (Employees' Pension Insurance Act), 昭和二十九年法律第百十五号 - English title "Employees' Pension 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: 第二十三条の二 (Article 23-2)（育児休業等を終了した際の改定） — address `art-23-2` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-23-2 - 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. --- ### 第二十三条の二（育児休業等を終了した際の改定） — (Revision at the End of Childcare/Parental Leave) caption: Ministry of Justice translation — Japanese Law Translation Database System art-23-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2 · https://japanlaw.org/l/329AC0000000115/art-23-2 **第一項** 実施機関は、育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律（平成三年法律第七十六号。以下この項において「育児・介護休業法」という。）第二条第一号に規定する育児休業若しくは育児・介護休業法第二十三条第二項の育児休業に関する制度に準ずる措置若しくは育児・介護休業法第二十四条第一項（第二号に係る部分に限る。）の規定により同項第二号に規定する育児休業に関する制度に準じて講ずる措置による休業、国会職員の育児休業等に関する法律（平成三年法律第百八号）第三条第一項の規定による育児休業、国家公務員の育児休業等に関する法律（平成三年法律第百九号）第三条第一項（同法第二十七条第一項及び裁判所職員臨時措置法（昭和二十六年法律第二百九十九号）（第七号に係る部分に限る。）において準用する場合を含む。）の規定による育児休業、地方公務員の育児休業等に関する法律（平成三年法律第百十号）第二条第一項の規定による育児休業又は裁判官の育児休業に関する法律（平成三年法律第百十一号）第二条第一項の規定による育児休業（以下「育児休業等」という。）を終了した被保険者が、当該育児休業等を終了した日（以下この条において「育児休業等終了日」という。）において育児・介護休業法第二条第一号に規定する子その他これに類する者として政令で定めるもの（第二十六条において「子」という。）であつて、当該育児休業等に係る三歳に満たないもの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主務省令で定めるところにより実施機関に申出をしたときは、第二十一条の規定にかかわらず、育児休業等終了日の翌日が属する月以後三月間（育児休業等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つ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、育児休業等終了日の翌日に次条第一項に規定する産前産後休業を開始している被保険者は、この限りでない。 art-23-2/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-1 Notwithstanding the provisions of Article 21, if, on the day on which an insured's childcare leave as provided for Article 2, item (i) of the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members (Act No. 76 of 1991; hereinafter referred to in this paragraph as the "Childcare/Caregiver Leave Act"); leave based on measures equivalent to the system of childcare leave under the provisions of Article 23, paragraph (2) of the Childcare/Caregiver Leave Act or based on measures taken, pursuant to the provisions of Article 24, paragraph (1) (limited to the part pertaining to item (ii)) of the Childcare/Caregiver Leave Act, under the system of childcare leave provided for in item (ii) of that paragraph; childcare leave under the provisions of Article 3, paragraph (1) of the Act on Childcare/Parental Leave of Diet Officers (Act No. 108 of 1991); childcare leave under the provisions of Article 3, paragraph (1) of the Act on Childcare/Parental Leave of National Public Officers (Act No. 109 of 1991) (including as applied mutatis mutandis pursuant to Article 27, paragraph (1) of that Act and the Act on Temporary Measures concerning Court Officials (Act No. 299 of 1951) (limited to the part pertaining to item (vii))); childcare leave under the provisions of Article 2, paragraph (1) of the Act on Childcare/Parental Leave of Local Public Officers (Act No. 110 of 1991); or childcare leave under the provisions of Article 2, paragraph (1) of the Act on Childcare/Parental Leave of Judges (Act No. 111 of 1991) (hereinafter referred to as "childcare/parental leave") ends (hereinafter referred to as the "childcare/parental leave end date" in this Article), the insured whose childcare/parental leave has ended is raising the child provided for in Article 2 item (i) of the Childcare/Caregiver Leave Act or person prescribed by Cabinet Order as being similar thereto (referred to as the "child" in Article 26) who is under three years of age and for whom the insured was taking that childcare/parental leave, and the insured files a request with the implementing organization as provided for by order of the competent ministry through the employer of the place of business at which the insured is employed, the implementing organization revises the insured's standard amount of remuneration by regarding the amount arrived at when the total amount of remuneration during the three-month period beginning from the month in which the day following the childcare/parental leave end date falls (limited to a period during which the insured continues to be employed at the place of business at which the insured was employed on the day following the childcare/parental leave end date, and excluding any month which has fewer than seventeen days which forms the basis for payment of remuneration) is divided by the number of months in that period, as the insured's monthly remuneration; provided, however, that this does not apply to an insured who starts maternity leave as provided for in paragraph (1) of the following Article on the day following the childcare/parental leave end date. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の規定によつて改定された標準報酬月額は、育児休業等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-23-2/par-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-2 A standardized monthly amount of remuneration that has been revised pursuant to the provisions of the preceding paragraph is the standardized monthly amount of remuneration for each month during the period from the month following the month that contains the day that is calculated as falling two months after the day following the childcare/parental leave end date until August of that year (or until August of the following year, if the relevant following month is any month from July to December). Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第二号厚生年金被保険者及び第三号厚生年金被保険者について、第一項の規定を適用する場合においては、同項中「その使用される事業所の事業主を経由して主務省令」とあるのは、「主務省令」とする。 art-23-2/par-3 · https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-3 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-3 When the provisions of paragraph (1) are applied to a category II EPI insured or a category III EPI insured, the phrase "order of the competent ministry through the employer of the place of business at which the insured is employed" in that paragraph is deemed to be replaced with the phrase "order of the competent ministry". Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-23-2/par-1: 育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律（平成三年法律第七十六号。以下この項において「育児・介護休業法」という。）第二条第一号 → 育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律 第二条第一項第一号 (Article 2, paragraph (1), item (i)), art-2/par-1/item-1 — https://japanlaw.org/ja/childcare-and-family-care-leave-act/art-2/par-1/item-1 · https://japanlaw.org/l/403AC0000000076/art-2/par-1/item-1 - art-23-2/par-1: 育児・介護休業法第二十三条第二項 → 育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律 第二十三条第二項 (Article 23, paragraph (2)), art-23/par-2 — https://japanlaw.org/ja/childcare-and-family-care-leave-act/art-23/par-2 · https://japanlaw.org/l/403AC0000000076/art-23/par-2 - art-23-2/par-1: 育児・介護休業法第二十四条第一項 → 育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律 第二十四条第一項 (Article 24, paragraph (1)), art-24/par-1 — https://japanlaw.org/ja/childcare-and-family-care-leave-act/art-24/par-1 · https://japanlaw.org/l/403AC0000000076/art-24/par-1 - art-23-2/par-1: 第二号 → 育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律 第二十四条第一項第二号 (Article 24, paragraph (1), item (ii)), art-24/par-1/item-2 — https://japanlaw.org/ja/childcare-and-family-care-leave-act/art-24/par-1/item-2 · https://japanlaw.org/l/403AC0000000076/art-24/par-1/item-2 - art-23-2/par-1: 国会職員の育児休業等に関する法律（平成三年法律第百八号）第三条第一項 → e-Gov law 403AC1000000108, 第三条第一項 (Article 3, paragraph (1)), art-3/par-1 — not held in this collection - art-23-2/par-1: 国家公務員の育児休業等に関する法律（平成三年法律第百九号）第三条第一項 → e-Gov law 403AC0000000109, 第三条第一項 (Article 3, paragraph (1)), art-3/par-1 — not held in this collection - art-23-2/par-1: 同法第二十七条第一項 → e-Gov law 403AC0000000109, 第二十七条第一項 (Article 27, paragraph (1)), art-27/par-1 — not held in this collection - art-23-2/par-1: 地方公務員の育児休業等に関する法律（平成三年法律第百十号）第二条第一項 → e-Gov law 403AC0000000110, 第二条第一項 (Article 2, paragraph (1)), art-2/par-1 — not held in this collection - art-23-2/par-1: 裁判官の育児休業に関する法律（平成三年法律第百十一号）第二条第一項 → e-Gov law 403AC0000000111, 第二条第一項 (Article 2, paragraph (1)), art-2/par-1 — not held in this collection - art-23-2/par-1: この条 → 厚生年金保険法 第二十三条の二 (Article 23-2), art-23-2 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2 · https://japanlaw.org/l/329AC0000000115/art-23-2 - art-23-2/par-1: 第二十六条 → 厚生年金保険法 第二十六条 (Article 26), art-26 — https://japanlaw.org/ja/employees-pension-insurance-act/art-26 · https://japanlaw.org/l/329AC0000000115/art-26 - art-23-2/par-1: 第二十一条 → 厚生年金保険法 第二十一条 (Article 21), art-21 — https://japanlaw.org/ja/employees-pension-insurance-act/art-21 · https://japanlaw.org/l/329AC0000000115/art-21 - art-23-2/par-1: 次条第一項 → 厚生年金保険法 第二十三条の三第一項 (Article 23-3, paragraph (1)), art-23-3/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-3/par-1 - art-23-2/par-2: 前項 → 厚生年金保険法 第二十三条の二第一項 (Article 23-2, paragraph (1)), art-23-2/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-1 - art-23-2/par-3: 第一項 → 厚生年金保険法 第二十三条の二第一項 (Article 23-2, paragraph (1)), art-23-2/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-1 ## Cited by 15 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 第二十一条第一項（定時決定） — https://japanlaw.org/ja/employees-pension-insurance-act/art-21/par-1 · https://japanlaw.org/l/329AC0000000115/art-21/par-1 - 厚生年金保険法 第二十一条第三項（定時決定） — https://japanlaw.org/ja/employees-pension-insurance-act/art-21/par-3 · https://japanlaw.org/l/329AC0000000115/art-21/par-3 - 厚生年金保険法 第二十三条の二第一項（育児休業等を終了した際の改定） — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-1 - 厚生年金保険法 第二十三条の二第二項（育児休業等を終了した際の改定） — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-2 - 厚生年金保険法 第二十三条の二第三項（育児休業等を終了した際の改定） — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-2/par-3 · https://japanlaw.org/l/329AC0000000115/art-23-2/par-3 - 厚生年金保険法 第二十四条第一項（報酬月額の算定の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/art-24/par-1 · https://japanlaw.org/l/329AC0000000115/art-24/par-1 - 厚生年金保険法 第二十四条第二項（報酬月額の算定の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/art-24/par-2 · https://japanlaw.org/l/329AC0000000115/art-24/par-2 - 厚生年金保険法 第二十四条の二第一項（船員たる被保険者の標準報酬月額） — https://japanlaw.org/ja/employees-pension-insurance-act/art-24-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-24-2/par-1 - 厚生年金保険法 第二十四条の三第一項（政令への委任） — https://japanlaw.org/ja/employees-pension-insurance-act/art-24-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-24-3/par-1 - 厚生年金保険法 第四十六条第二項（支給停止） — https://japanlaw.org/ja/employees-pension-insurance-act/art-46/par-2 · https://japanlaw.org/l/329AC0000000115/art-46/par-2 - 厚生年金保険法 第百条の四第一項第四号（機構への厚生労働大臣の権限に係る事務の委任） — https://japanlaw.org/ja/employees-pension-insurance-act/art-100-4/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/art-100-4/par-1/item-4 - 厚生年金保険法 附則第五十条第三項 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3601-34/art-50/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-50/par-3 - 厚生年金保険法 附則第三十四条第一項（育児休業等を終了した際の標準報酬月額の改定に関する経過措置） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4161-104/art-34/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-34/par-1 - 厚生年金保険法 附則第五条第一項（厚生年金保険法の一部改正に伴う経過措置） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-5031-66/art-5/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-5031-66/art-5/par-1 - 厚生年金保険法 附則第六条第一項（公的年金制度の健全性及び信頼性の確保のための厚生年金保険法等の一部を改正する法律の一部改正に伴う経過措置） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-5031-66/art-6/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-5031-66/art-6/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 厚生年金保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/329AC0000000115/20261001_507AC0000000074), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Employees' Pension Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3554/tb), retrieved 2026-10-13 - This site's parser, version 190 — 厚生年金保険法 — structure, counts, cross-references and defined terms, computed 2026-10-13