# 厚生年金保険法 / Employees' Pension Insurance Act — 第三十一条 (Supplementary Provisions, Article 31) - 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: 第三十一条 (Supplementary Provisions, Article 31)（改正前の厚生年金保険法による老齢厚生年金等） — address `suppl-4061-95/art-31` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31 - 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. --- ### 第三十一条（改正前の厚生年金保険法による老齢厚生年金等） — Employees' Old-Age Pension, etc. under the Employees' Pension Insurance Act Before the Amendment caption: machine translation, not official suppl-4061-95/art-31 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31 **第一項** 平成七年四月一日前において改正前の厚生年金保険法附則第八条の規定による老齢厚生年金（以下この条において「改正前の老齢厚生年金」という。）の受給権を有していた者については、改正後の厚生年金保険法附則第八条及び附則第十五条第一項の規定は適用しない。 suppl-4061-95/art-31/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-1 With regard to a person who held the right to receive benefits of an employees' old-age pension under the provisions of Article 8 of the Supplementary Provisions of the Employees' Pension Insurance Act Before the Amendment (hereinafter referred to as the "employees' old-age pension before the amendment" in this Article) before April 1, 1995, the provisions of Article 8 of the Supplementary Provisions of the Employees' Pension Insurance Act as Amended and Article 15, paragraph (1) of the Supplementary Provisions do not apply. machine translation, not official **第二項** 改正前の老齢厚生年金については、次項及び第四項の規定を適用する場合を除き、なお従前の例による。 suppl-4061-95/art-31/par-2 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-2 With regard to the employees' old-age pension before the amendment, except where the provisions of the following paragraph and paragraph (4) are applied, the provisions then in force continue to govern. machine translation, not official **第三項** 改正前の老齢厚生年金については、その額の計算に関する規定は、なおその効力を有する。この場合において、これらの規定の適用に関し必要な技術的読替えは、政令で定める。 suppl-4061-95/art-31/par-3 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-3 With regard to the employees' old-age pension before the amendment, the provisions concerning the calculation of its amount remain in force. In this case, Cabinet Order provides for the necessary technical replacement of terms in connection with the application of those provisions. machine translation, not official **第四項** 改正前の老齢厚生年金については、改正前の厚生年金保険法附則第八条第四項、第十一条、第十三条第三項及び第十三条の二の規定を適用せず、改正後の厚生年金保険法附則第八条の規定による老齢厚生年金（附則第十八条の規定によりその額が計算されているものに限る。）とみなして、厚生年金保険法附則第十三条第二項から第四項まで及び第十三条の二並びに附則第二十一条、第二十三条、第二十四条第二項及び第二十八条の規定を適用する。この場合において、これらの規定の適用に関し必要な技術的読替えは、政令で定める。 suppl-4061-95/art-31/par-4 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-4 With regard to the employees' old-age pension before the amendment, the provisions of Article 8, paragraph (4), Article 11, Article 13, paragraph (3) and Article 13-2 of the Supplementary Provisions of the Employees' Pension Insurance Act Before the Amendment do not apply, and, deeming it to be an employees' old-age pension under the provisions of Article 8 of the Supplementary Provisions of the Employees' Pension Insurance Act as Amended (limited to one whose amount is calculated pursuant to the provisions of Article 18 of the Supplementary Provisions), the provisions of Article 13, paragraphs (2) through (4) and Article 13-2 of the Supplementary Provisions of the Employees' Pension Insurance Act, and Articles 21 and 23, Article 24, paragraph (2) and Article 28 of the Supplementary Provisions apply. In this case, Cabinet Order provides for the necessary technical replacement of terms in connection with the application of those provisions. machine translation, not official --- ## Cites - suppl-4061-95/art-31/par-1: この条 → 厚生年金保険法 附則第三十一条 (Supplementary Provisions, Article 31), suppl-4061-95/art-31 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31 - suppl-4061-95/art-31/par-1: 改正後の厚生年金保険法附則第八条 → 厚生年金保険法 附則第八条 (Supplementary Provisions, Article 8), suppl-3291-115/art-8 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-8 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-8 - suppl-4061-95/art-31/par-1: 附則第十五条第一項 → 厚生年金保険法 附則第十五条第一項 (Supplementary Provisions, Article 15, paragraph (1)), suppl-4061-95/art-15/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-15/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-15/par-1 - suppl-4061-95/art-31/par-2: 次項 → 厚生年金保険法 附則第三十一条第三項 (Supplementary Provisions, Article 31, paragraph (3)), suppl-4061-95/art-31/par-3 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-3 - suppl-4061-95/art-31/par-2: 第四項 → 厚生年金保険法 附則第三十一条第四項 (Supplementary Provisions, Article 31, paragraph (4)), suppl-4061-95/art-31/par-4 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-4 - suppl-4061-95/art-31/par-4: 改正後の厚生年金保険法附則第八条 → 厚生年金保険法 附則第八条 (Supplementary Provisions, Article 8), suppl-3291-115/art-8 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-8 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-8 - suppl-4061-95/art-31/par-4: 附則第十八条 → 厚生年金保険法 附則第十八条 (Supplementary Provisions, Article 18), suppl-4061-95/art-18 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-18 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-18 - suppl-4061-95/art-31/par-4: 厚生年金保険法附則第十三条第二項から第四項まで → 厚生年金保険法 附則第十三条第二項 (Supplementary Provisions, Article 13, paragraph (2)), suppl-3291-115/art-13/par-2 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-13/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-13/par-2 - suppl-4061-95/art-31/par-4: 厚生年金保険法附則第十三条第二項から第四項まで → 厚生年金保険法 附則第十三条第三項 (Supplementary Provisions, Article 13, paragraph (3)), suppl-3291-115/art-13/par-3 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-13/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-13/par-3 - suppl-4061-95/art-31/par-4: 厚生年金保険法附則第十三条第二項から第四項まで → 厚生年金保険法 附則第十三条第四項 (Supplementary Provisions, Article 13, paragraph (4)), suppl-3291-115/art-13/par-4 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-13/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-13/par-4 - suppl-4061-95/art-31/par-4: 第十三条の二 → 厚生年金保険法 附則第十三条の二 (Supplementary Provisions, Article 13-2), suppl-3291-115/art-13-2 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3291-115/art-13-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-13-2 - suppl-4061-95/art-31/par-4: 附則第二十一条 → 厚生年金保険法 附則第二十一条 (Supplementary Provisions, Article 21), suppl-4061-95/art-21 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-21 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-21 - suppl-4061-95/art-31/par-4: 第二十三条 → 厚生年金保険法 附則第二十三条 (Supplementary Provisions, Article 23), suppl-4061-95/art-23 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-23 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-23 - suppl-4061-95/art-31/par-4: 第二十四条第二項 → 厚生年金保険法 附則第二十四条第二項 (Supplementary Provisions, Article 24, paragraph (2)), suppl-4061-95/art-24/par-2 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-24/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-24/par-2 - suppl-4061-95/art-31/par-4: 第二十八条 → 厚生年金保険法 附則第二十八条 (Supplementary Provisions, Article 28), suppl-4061-95/art-28 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-28 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-28 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 附則第一条第一項第二号（施行期日等） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-1/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-1/par-1/item-2 - 厚生年金保険法 附則第三十一条第一項（改正前の厚生年金保険法による老齢厚生年金等） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-1 - 厚生年金保険法 附則第三十一条第二項（改正前の厚生年金保険法による老齢厚生年金等） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4061-95/art-31/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-4061-95/art-31/par-2 --- ## 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-20261013T074650-048, 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