# 厚生年金保険法 / Employees' Pension Insurance Act — 第七十八条の二十七 (Article 78-27) - 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: 第七十八条の二十七 (Article 78-27)（老齢厚生年金に係る加給年金額の特例） — address `art-78-27` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/art-78-27 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-78-27 - 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. --- ### 第七十八条の二十七（老齢厚生年金に係る加給年金額の特例） — (Special Provisions on Additional Amounts of Pension Associated with Employees' Old-Age Pensions) caption: Ministry of Justice translation — Japanese Law Translation Database System art-78-27 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-27 · https://japanlaw.org/l/329AC0000000115/art-78-27 **第一項** 二以上の種別の被保険者であつた期間を有する者に係る老齢厚生年金の額については、その者の二以上の被保険者の種別に係る被保険者であつた期間に係る被保険者期間を合算し、一の期間に係る被保険者期間のみを有するものとみなして第四十四条（この法律及び他の法令において、引用し、準用し、又はその例による場合を含む。）の規定を適用する。この場合において、同条第一項に規定する加給年金額は、政令で定めるところにより、各号の厚生年金被保険者期間のうち一の期間に係る被保険者期間を計算の基礎とする老齢厚生年金の額に加算するものとする。 art-78-27/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-78-27/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-27/par-1 For a person who has spent time as an insured in two or more categories, the insured periods associated with the time that the person spent as an insured under two or more insured categories are added together, the person is deemed to have only the insured period associated with the time in one category, and the provisions of Article 44 (including when these are cited in this Act and other laws and regulations, are applied mutatis mutandis to this Act and other laws and regulations, or govern this Act and other laws and regulations) apply to the amount of employees' old-age pension associated with that person. In such a case, the amount of additional pension as provided for in paragraph (1) of that Article is, as specified by Cabinet Order, added to the amount of the employees' old-age pension calculated based on the insured period associated with the person's time in one category, among the categories of EPI insured period. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-78-27/par-1: 第四十四条 → 厚生年金保険法 第四十四条 (Article 44), art-44 — https://japanlaw.org/ja/employees-pension-insurance-act/art-44 · https://japanlaw.org/l/329AC0000000115/art-44 - art-78-27/par-1: 同条第一項 → 厚生年金保険法 第四十四条第一項 (Article 44, paragraph (1)), art-44/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-44/par-1 · https://japanlaw.org/l/329AC0000000115/art-44/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