# 厚生年金保険法 / Employees' Pension Insurance Act — 第四条 (Supplementary Provisions, Article 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: 第四条 (Supplementary Provisions, Article 4)（厚生年金保険の年金たる保険給付等の額に関する経過措置） — address `suppl-4121-18/art-4` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-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. --- ### 第四条（厚生年金保険の年金たる保険給付等の額に関する経過措置） — Transitional Measures Concerning the Amounts of Pension Insurance Benefits, etc. under Employees' Pension Insurance caption: machine translation, not official suppl-4121-18/art-4 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-4 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-4 **第一項** 平成十二年三月以前の月分の厚生年金保険法による年金たる保険給付、昭和六十年改正法附則第七十八条第一項及び第八十七条第一項に規定する年金たる保険給付並びに厚生年金保険法等の一部を改正する法律（平成八年法律第八十二号。以下「平成八年改正法」という。）附則第十六条第一項及び第二項に規定する年金たる給付の額については、なお従前の例による。 suppl-4121-18/art-4/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-4/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-4/par-1 With regard to the amounts of the pension insurance benefits under the Employees' Pension Insurance Act for the months of March 2000 and earlier, the pension insurance benefits prescribed in Article 78, paragraph (1) and Article 87, paragraph (1) of the Supplementary Provisions of the 1985 Amendment Act, and the benefits in the form of pensions prescribed in Article 16, paragraphs (1) and (2) of the Supplementary Provisions of the Act Partially Amending the Employees' Pension Insurance Act, etc. (Act No. 82 of 1996; hereinafter referred to as the "1996 Amendment Act"), the provisions then in force continue to govern. machine translation, not official --- ## Cites - suppl-4121-18/art-4/par-1: 昭和六十年改正法附則第七十八条第一項 → 厚生年金保険法 附則第七十八条第一項 (Supplementary Provisions, Article 78, paragraph (1)), suppl-3601-34/art-78/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3601-34/art-78/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-78/par-1 - suppl-4121-18/art-4/par-1: 第八十七条第一項 → 厚生年金保険法 附則第八十七条第一項 (Supplementary Provisions, Article 87, paragraph (1)), suppl-3601-34/art-87/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-3601-34/art-87/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-87/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-20261013T074650-052, 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