# 厚生年金保険法 / Employees' Pension Insurance Act — 第七十八条の二 (Article 78-2) - 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: 第七十八条の二 (Article 78-2)（離婚等をした場合における標準報酬の改定の特例） — address `art-78-2` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-78-2 - 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. --- ### 第七十八条の二（離婚等をした場合における標準報酬の改定の特例） — (Special Provisions on Revision to Standardized Remuneration in Case of Divorce or Similar Circumstances) caption: Ministry of Justice translation — Japanese Law Translation Database System art-78-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2 · https://japanlaw.org/l/329AC0000000115/art-78-2 **第一項** 第一号改定者（被保険者又は被保険者であつた者であつて、第七十八条の六第一項第一号及び第二項第一号の規定により標準報酬が改定されるものをいう。以下同じ。）又は第二号改定者（第一号改定者の配偶者であつた者であつて、同条第一項第二号及び第二項第二号の規定により標準報酬が改定され、又は決定されるものをいう。以下同じ。）は、離婚等（離婚（婚姻の届出をしていないが事実上婚姻関係と同様の事情にあつた者について、当該事情が解消した場合を除く。）、婚姻の取消しその他厚生労働省令で定める事由をいう。以下この章において同じ。）をした場合であつて、次の各号のいずれかに該当するときは、実施機関に対し、当該離婚等について対象期間（婚姻期間その他の厚生労働省令で定める期間をいう。以下同じ。）に係る被保険者期間の標準報酬（第一号改定者及び第二号改定者（以下これらの者を「当事者」という。）の標準報酬をいう。以下この章において同じ。）の改定又は決定を請求することができる。ただし、当該離婚等をしたときから五年を経過したときその他の厚生労働省令で定める場合に該当するときは、この限りでない。 art-78-2/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1 If a person subject to a class I revision (meaning an insured or former insured whose standardized remuneration is revised pursuant to the provisions of Article 78-6, paragraph (1), item (i) and paragraph (2), item (i); the same applies hereinafter) or a person subject to a class II revision (meaning the spouse of a person subject to a class I revision, whose standardized remuneration is revised or decided pursuant to the provisions of paragraph (1), item (ii) and paragraph (2), item (ii) of that Article; the same applies hereinafter) has gone through a divorce or similar circumstances (meaning a divorce (this excludes the dissolution of the circumstances in question, regarding persons who have not registered a marriage but whose circumstances are, de facto, the same as those of a person in a marital relationship), an annulment of marriage, or other grounds specified by Order of the Ministry of Health, Labour and Welfare; the same applies hereinafter in this Chapter) and falls under any of the following items, that person may file a request with the implementing organization for the standardized remuneration to be revised or decided (meaning the standardized remuneration of the person subject to a class I revision and the person subject to a class II revision (each of whom is hereinafter referred to as a "party"); the same applies hereinafter in this Chapter) for the insured period that falls under the subject period (meaning the period of the marriage and other periods specified by Order of the Ministry of Health, Labour and Welfare; the same applies hereinafter) connected with the divorce or similar circumstances; provided, however, that this does not apply once five years have passed since the relevant divorce or similar circumstances or in a situation otherwise falling under one of the cases specified by Order of the Ministry of Health, Labour and Welfare: machine translation, not official **一** 当事者が標準報酬の改定又は決定の請求をすること及び請求すべき按分割合（当該改定又は決定後の当事者の次条第一項に規定する対象期間標準報酬総額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いう。以下同じ。）について合意しているとき。 art-78-2/par-1/item-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1/item-1 if the parties agree to request that the standardized remuneration be revised or decided and agree on the allocation percentage that they are to request (meaning the percentage, following the relevant revision or decision, that will constitute the person subject to a class II revision's aggregate amount of standard remuneration for the subject period provided for in paragraph (1) of the following Article, in proportion to the sum total of both parties' aggregate amounts of standardized remuneration during the subject period, as provided for in paragraph (1) of the following Article; the same applies hereinafter); Ministry of Justice translation — Japanese Law Translation Database System **二** 次項の規定により家庭裁判所が請求すべき按分割合を定めたとき。 art-78-2/par-1/item-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1/item-2 if the family court has set the allocation percentage that the parties are to request pursuant to the provisions of the following paragraph. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の規定による標準報酬の改定又は決定の請求（以下「標準報酬改定請求」という。）について、同項第一号の当事者の合意のための協議が調わないとき、又は協議をすることができないときは、当事者の一方の申立てにより、家庭裁判所は、当該対象期間における保険料納付に対する当事者の寄与の程度その他一切の事情を考慮して、請求すべき按分割合を定めることができる。 art-78-2/par-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-2 With respect to a request for the standardized remuneration to be revised or decided pursuant to the provisions of the preceding paragraph (hereinafter referred to as a "request for standardized remuneration to be revised or decided"), if consultations toward an agreement by the parties under item (i) of that paragraph have failed to produce an agreement, or if consultations cannot take place, the family court may, based on a motion filed by one of the parties, set the allocation percentage that the parties are to request, by taking into account the degree of the parties' contributions to the payment of insurance premiums during the subject period and any other circumstances. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 標準報酬改定請求は、当事者が標準報酬の改定又は決定の請求をすること及び請求すべき按分割合について合意している旨が記載された公正証書の謄本の添付その他の厚生労働省令で定める方法によりしなければならない。 art-78-2/par-3 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-3 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-3 The request for standardized remuneration to be revised or decided must be submitted attached by a certified copy of a notarized document to the effect that the parties have agreed to request that the standardized remuneration to be revised or decided and have agreed on the allocation percentage that the parties are to request, or must be submitted in other ways prescribed by Order of the Ministry of Health, Labour and Welfare. machine translation, not official --- ## Cites - art-78-2/par-1: 第七十八条の六第一項第一号 → 厚生年金保険法 第七十八条の六第一項第一号 (Article 78-6, paragraph (1), item (i)), art-78-6/par-1/item-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-6/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/art-78-6/par-1/item-1 - art-78-2/par-1: 第二項第一号 → 厚生年金保険法 第七十八条の六第二項第一号 (Article 78-6, paragraph (2), item (i)), art-78-6/par-2/item-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-6/par-2/item-1 · https://japanlaw.org/l/329AC0000000115/art-78-6/par-2/item-1 - art-78-2/par-1: 同条第一項第二号 → 厚生年金保険法 第七十八条の六第一項第二号 (Article 78-6, paragraph (1), item (ii)), art-78-6/par-1/item-2 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-6/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/art-78-6/par-1/item-2 - art-78-2/par-1: 第二項第二号 → 厚生年金保険法 第七十八条の六第二項第二号 (Article 78-6, paragraph (2), item (ii)), art-78-6/par-2/item-2 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-6/par-2/item-2 · https://japanlaw.org/l/329AC0000000115/art-78-6/par-2/item-2 - art-78-2/par-1/item-1: 次条第一項 → 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/ja/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - art-78-2/par-1/item-2: 次項 → 厚生年金保険法 第七十八条の二第二項 (Article 78-2, paragraph (2)), art-78-2/par-2 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-2 - art-78-2/par-2: 前項 → 厚生年金保険法 第七十八条の二第一項 (Article 78-2, paragraph (1)), art-78-2/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1 - art-78-2/par-2: 同項第一号 → 厚生年金保険法 第七十八条の二第一項第一号 (Article 78-2, paragraph (1), item (i)), art-78-2/par-1/item-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-2/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1/item-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二号（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/ja/employees-pension-insurance-act/art-78-2/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1/item-2 - 厚生年金保険法 第七十八条の二第二項（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/ja/employees-pension-insurance-act/art-78-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-2 - 厚生年金保険法 第七十八条の四第一項（当事者等への情報の提供等） — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-4/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-4/par-1 - 厚生年金保険法 第七十八条の五第一項 — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-5/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-5/par-1 - 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/ja/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一項（標準報酬改定請求を行う場合の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-20/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-20/par-1 - 厚生年金保険法 第七十八条の三十五第一項（離婚等をした場合の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/art-78-35/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-35/par-1 - 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/ja/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 第百条の四第一項第二十一号（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-21 · https://japanlaw.org/l/329AC0000000115/art-100-4/par-1/item-21 - 厚生年金保険法 附則第十七条の八第一項（第一号改定者の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-17-8/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-8/par-1 - 厚生年金保険法 附則第四十六条第一項（対象となる離婚等） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4161-104/art-46/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-46/par-1 - 厚生年金保険法 附則第四十七条第一項（当事者への情報提供の特例） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4161-104/art-47/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-47/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 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T074650-001, translated 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