# 厚生年金保険法 / Employees' Pension Insurance Act — 第七十八条の三 (Article 78-3) - 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: 第七十八条の三 (Article 78-3)（請求すべき按分割合） — address `art-78-3` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/art-78-3 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-78-3 - 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. --- ### 第七十八条の三（請求すべき按分割合） — (Allocation Percentage that the Parties are to Request) caption: Ministry of Justice translation — Japanese Law Translation Database System art-78-3 · https://japanlaw.org/en/employees-pension-insurance-act/art-78-3 · https://japanlaw.org/l/329AC0000000115/art-78-3 **第一項** 請求すべき按分割合は、当事者それぞれの対象期間標準報酬総額（対象期間に係る被保険者期間の各月の標準報酬月額（第二十六条第一項の規定により同項に規定する従前標準報酬月額が当該月の標準報酬月額とみなされた月にあつては、従前標準報酬月額）と標準賞与額に当事者を受給権者とみなして対象期間の末日において適用される再評価率を乗じて得た額の総額をいう。以下同じ。）の合計額に対する第二号改定者の対象期間標準報酬総額の割合を超え二分の一以下の範囲（以下「按分割合の範囲」という。）内で定められなければならない。 art-78-3/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 The allocation percentage that the parties are to request must be determined so as to fall within the range between at least the percentage that constitutes the person subject to a class II revision's aggregate amount of standardized remuneration for the subject period (meaning the amount arrived at when first the parties are deemed to be the beneficiaries, then each of the standardized monthly amounts of remuneration and the standardized amounts of bonuses for each month of the insured period falling under the subject period ( the previous standardized monthly amount of remuneration specified in Article 26, paragraph (1) is substituted for that standardized monthly amount of remuneration, for each month in which the previous standardized monthly amount of remuneration is deemed to be the standardized monthly amount of remuneration for the relevant month pursuant to the provisions of that paragraph) is multiplied by the revaluation rate that is applicable on the last day of the subject period, and finally all of the products thus calculated are added; the same applies hereinafter) in proportion to the sum total of both parties' aggregate amounts of standardized remuneration for the subject period and 50%, at most (that range is hereinafter referred to as the "allocation percentage range"). Ministry of Justice translation — Japanese Law Translation Database System **第二項** 次条第一項の規定により按分割合の範囲について情報の提供（第七十八条の五の規定により裁判所又は受命裁判官若しくは受託裁判官が受けた資料の提供を含み、これが複数あるときは、その最後のもの。以下この項において同じ。）を受けた日が対象期間の末日前であつて対象期間の末日までの間が一年を超えない場合その他の厚生労働省令で定める場合における標準報酬改定請求については、前項の規定にかかわらず、当該情報の提供を受けた按分割合の範囲を、同項の按分割合の範囲とすることができる。 art-78-3/par-2 · https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-2 Notwithstanding the provisions of the preceding paragraph, with respect to a request for standardized remuneration to be revised or decided, if the day on which information concerning the allocation percentage range has been received pursuant to the provisions of paragraph (1) of the following Article (including materials received by the court, or an authorized judge or commissioned judge pursuant to the provisions of Article 78-5 and, if more than one material exists, the last one; the same applies in this paragraph) is before the last day of the subject period and the period of time until the last day of the subject period is shorter than one year, or in other cases specified by Order of the Ministry of Health, Labour and Welfare, the allocation percentage range with regard to which that information has been received may be set as the allocation percentage range under that paragraph. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-78-3/par-1: 第二十六条第一項 → 厚生年金保険法 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-26/par-1 · https://japanlaw.org/l/329AC0000000115/art-26/par-1 - art-78-3/par-2: 次条第一項 → 厚生年金保険法 第七十八条の四第一項 (Article 78-4, paragraph (1)), art-78-4/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-4/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-4/par-1 - art-78-3/par-2: 第七十八条の五 → 厚生年金保険法 第七十八条の五 (Article 78-5), art-78-5 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-5 · https://japanlaw.org/l/329AC0000000115/art-78-5 - art-78-3/par-2: この項 → 厚生年金保険法 第七十八条の三第二項 (Article 78-3, paragraph (2)), art-78-3/par-2 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-2 - art-78-3/par-2: 前項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 ## Cited by 12 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 第七十八条の二第一項第一号（離婚等をした場合における標準報酬の改定の特例） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-2/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1/item-1 - 厚生年金保険法 第七十八条の三第二項（請求すべき按分割合） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-2 - 厚生年金保険法 第七十八条の九第一項（省令への委任） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-9/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-9/par-1 - 厚生年金保険法 第七十八条の二十第二項（標準報酬改定請求を行う場合の特例） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-20/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-20/par-2 - 厚生年金保険法 第七十八条の二十第五項（標準報酬改定請求を行う場合の特例） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-20/par-5 · https://japanlaw.org/l/329AC0000000115/art-78-20/par-5 - 厚生年金保険法 第七十八条の三十五第二項（離婚等をした場合の特例） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-35/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-35/par-2 - 厚生年金保険法 附則第十七条の九第一項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-1 - 厚生年金保険法 附則第十七条の九第二項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-2 - 厚生年金保険法 附則第十七条の九第三項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-3 - 厚生年金保険法 附則第十七条の九第四項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-4 - 厚生年金保険法 附則第十七条の九第五項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-5 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-5 - 厚生年金保険法 附則第十七条の九第六項（対象期間標準報酬総額の計算の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-6 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-6 --- ## 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