# 厚生年金保険法 / Employees' Pension Insurance Act — 第七十八条の四 (Article 78-4)

- 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: 第七十八条の四 (Article 78-4)（当事者等への情報の提供等） — address `art-78-4`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/art-78-4
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-78-4
- 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.

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### 第七十八条の四（当事者等への情報の提供等） — (Provision of Information to the Parties and Others; Related Matters)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-78-4 · https://japanlaw.org/en/employees-pension-insurance-act/art-78-4 · https://japanlaw.org/l/329AC0000000115/art-78-4</sup>

**第一項**  当事者又はその一方は、実施機関に対し、主務省令で定めるところにより、標準報酬改定請求を行うために必要な情報であつて次項に規定するものの提供を請求することができる。ただし、当該請求が標準報酬改定請求後に行われた場合又は第七十八条の二第一項ただし書に該当する場合その他厚生労働省令で定める場合においては、この限りでない。
<sup>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</sup>
As provided by order of the competent ministry, both of the parties or either one of them may request the implementing organization to provide the information specified in the following paragraph that they need in order to file a request for standardized remuneration to be revised or decided; provided, however, that this does not apply if that request is made after the filing of the request for standardized remuneration to be revised or decided, if that request falls under the proviso to Article 78-2, paragraph (1), or in other cases provided for by Order of the Ministry of Health, Labour and Welfare.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  前項の情報は、対象期間標準報酬総額、按分割合の範囲、これらの算定の基礎となる期間その他厚生労働省令で定めるものとし、同項の請求があつた日において対象期間の末日が到来していないときは、同項の請求があつた日を対象期間の末日とみなして算定したものとする。
<sup>art-78-4/par-2 · https://japanlaw.org/en/employees-pension-insurance-act/art-78-4/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-4/par-2</sup>
The information referred to in the preceding paragraph is the aggregate amount of standardized remuneration for the subject period, the allocation percentage range, periods constituting the basis for calculating these, and any other information specified by Order of the Ministry of Health, Labour and Welfare; and if the last day of the subject period had not yet arrived as of the day on which the request under that paragraph was made, the foregoing information is that which is calculated when the day on which the request under that paragraph was made is deemed to be the last day of the subject period.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-78-4/par-1: 次項 → 厚生年金保険法 第七十八条の四第二項 (Article 78-4, paragraph (2)), art-78-4/par-2 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-4/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-4/par-2
- art-78-4/par-1: 第七十八条の二第一項 → 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/en/employees-pension-insurance-act/art-78-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-2/par-1
- art-78-4/par-2: 前項 → 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

## Cited by

7 provisions cite this one. No official source publishes this direction.

- 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 第七十八条の四第一項（当事者等への情報の提供等） — https://japanlaw.org/en/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 第七十八条の四第二項（当事者等への情報の提供等） — https://japanlaw.org/en/employees-pension-insurance-act/art-78-4/par-2 · https://japanlaw.org/l/329AC0000000115/art-78-4/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三項（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-3 · https://japanlaw.org/l/329AC0000000115/art-78-20/par-3
- 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/en/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 附則第四十七条第一項（当事者への情報提供の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-47/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-47/par-1

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## 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
