# 厚生年金保険法 / Employees' Pension Insurance Act — 第一条 (Supplementary Provisions, Article 1) - 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-4161-104/art-1` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1 - 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. --- ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4161-104/art-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1 **第一項** この法律は、平成十六年十月一日から施行する。ただし、次の各号に掲げる規定は、それぞれ当該各号に定める日から施行する。 suppl-4161-104/art-1/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1 This Act comes into effect on October 1, 2004; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items: machine translation, not official **一** 第二条、第八条、第十五条、第二十二条、第二十八条、第三十二条、第三十六条、第三十九条、第四十二条、第四十四条の二、第四十九条、第五十一条及び第五十二条並びに附則第四条、第十七条から第二十四条まで、第三十四条から第三十八条まで、第五十七条、第五十八条及び第六十条から第六十四条までの規定　平成十七年四月一日 suppl-4161-104/art-1/par-1/item-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-1 the provisions of Article 2, Article 8, Article 15, Article 22, Article 28, Article 32, Article 36, Article 39, Article 42, Article 44-2, Article 49, Article 51 and Article 52, and Article 4, Article 17 through Article 24, Article 34 through Article 38, Article 57, Article 58 and Article 60 through Article 64 of the Supplementary Provisions: April 1, 2005; machine translation, not official **二** 第九条、第十六条、第二十条、第二十三条、第二十九条、第三十七条、第四十条及び第四十六条並びに附則第三十九条、第四十条、第五十九条及び第六十七条から第七十二条までの規定　平成十七年十月一日 suppl-4161-104/art-1/par-1/item-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-2 the provisions of Articles 9, 16, 20, 23, 29, 37, 40, and 46, and Articles 39, 40, and 59 and Articles 67 through 72 of the Supplementary Provisions: October 1, 2005; machine translation, not official **三** 第三条、第十条及び第十七条の規定　平成十八年四月一日 suppl-4161-104/art-1/par-1/item-3 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-3 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-3 the provisions of Article 3, Article 10 and Article 17: April 1, 2006; machine translation, not official **四** 第四条、第十一条、第十八条、第四十一条、第四十三条、第四十八条及び第五十条並びに附則第九条第二項、第十条、第十三条第六項、第十四条、第五十六条の表平成十八年度（附則第一条第四号に掲げる規定の施行の日の属する月以後の期間に限る。）から特定年度の前年度までの各年度の項及び第六十五条の規定　平成十八年七月一日 suppl-4161-104/art-1/par-1/item-4 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-4 the provisions of Article 4, Article 11, Article 18, Article 41, Article 43, Article 48 and Article 50, and Article 9, paragraph (2), Article 10, Article 13, paragraph (6), Article 14, the row for each fiscal year from fiscal year 2006 (limited to the period from and after the month that includes the day of enforcement of the provisions listed in Article 1, item (iv) of the Supplementary Provisions) to the year before the specified fiscal year in the table in Article 56, and Article 65 of the Supplementary Provisions: July 1, 2006; machine translation, not official **五** 附則第四十七条の規定　平成十八年十月一日 suppl-4161-104/art-1/par-1/item-5 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-5 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-5 the provisions of Article 47 of the Supplementary Provisions: October 1, 2006; machine translation, not official **六** 第五条、第十二条、第十九条、第二十条の二、第二十三条の二、第二十五条、第三十条、第三十三条、第四十四条、第四十四条の三から第四十四条の五まで、第四十七条及び第五十三条並びに附則第四十一条から第四十六条まで、第四十八条及び第五十五条の規定　平成十九年四月一日 suppl-4161-104/art-1/par-1/item-6 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-6 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-6 the provisions of Article 5, Article 12, Article 19, Article 20-2, Article 23-2, Article 25, Article 30, Article 33, Article 44, Article 44-3 through Article 44-5, Article 47 and Article 53, and Article 41 through Article 46, Article 48 and Article 55 of the Supplementary Provisions: April 1, 2007; machine translation, not official **七** 第六条、第十三条、第二十六条及び第三十四条並びに附則第四十九条及び第五十条の規定　平成二十年四月一日 suppl-4161-104/art-1/par-1/item-7 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-7 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-7 the provisions of Article 6, Article 13, Article 26 and Article 34, and Article 49 and Article 50 of the Supplementary Provisions: April 1, 2008. machine translation, not official --- ## Cites - suppl-4161-104/art-1/par-1/item-1: 第三十四条から第三十八条まで → 厚生年金保険法 附則第三十四条 (Supplementary Provisions, Article 34), suppl-4161-104/art-34 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-34 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-34 - suppl-4161-104/art-1/par-1/item-1: 第三十四条から第三十八条まで → 厚生年金保険法 附則第三十五条 (Supplementary Provisions, Article 35), suppl-4161-104/art-35 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-35 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-35 - suppl-4161-104/art-1/par-1/item-1: 第三十四条から第三十八条まで → 厚生年金保険法 附則第三十六条 (Supplementary Provisions, Article 36), suppl-4161-104/art-36 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-36 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-36 - suppl-4161-104/art-1/par-1/item-1: 第三十四条から第三十八条まで → 厚生年金保険法 附則第三十七条 (Supplementary Provisions, Article 37), suppl-4161-104/art-37 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-37 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-37 - suppl-4161-104/art-1/par-1/item-1: 第三十四条から第三十八条まで → 厚生年金保険法 附則第三十八条 (Supplementary Provisions, Article 38), suppl-4161-104/art-38 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-38 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-38 - suppl-4161-104/art-1/par-1/item-2: 附則第三十九条 → 厚生年金保険法 附則第三十九条 (Supplementary Provisions, Article 39), suppl-4161-104/art-39 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-39 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-39 - suppl-4161-104/art-1/par-1/item-2: 第四十条 → 厚生年金保険法 附則第四十条 (Supplementary Provisions, Article 40), suppl-4161-104/art-40 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-40 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-40 - suppl-4161-104/art-1/par-1/item-4: 附則第一条第四号 → 厚生年金保険法 附則第一条第一項第四号 (Supplementary Provisions, Article 1, paragraph (1), item (iv)), suppl-4161-104/art-1/par-1/item-4 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-4 - suppl-4161-104/art-1/par-1/item-5: 附則第四十七条 → 厚生年金保険法 附則第四十七条 (Supplementary Provisions, Article 47), suppl-4161-104/art-47 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-47 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-47 - suppl-4161-104/art-1/par-1/item-6: 附則第四十一条から第四十六条まで → 厚生年金保険法 附則第四十二条 (Supplementary Provisions, Article 42), suppl-4161-104/art-42 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-42 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-42 - suppl-4161-104/art-1/par-1/item-6: 附則第四十一条から第四十六条まで → 厚生年金保険法 附則第四十四条 (Supplementary Provisions, Article 44), suppl-4161-104/art-44 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-44 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-44 - suppl-4161-104/art-1/par-1/item-6: 附則第四十一条から第四十六条まで → 厚生年金保険法 附則第四十五条 (Supplementary Provisions, Article 45), suppl-4161-104/art-45 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-45 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-45 - suppl-4161-104/art-1/par-1/item-6: 附則第四十一条から第四十六条まで → 厚生年金保険法 附則第四十六条 (Supplementary Provisions, Article 46), suppl-4161-104/art-46 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-46 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-46 - suppl-4161-104/art-1/par-1/item-6: 第四十八条 → 厚生年金保険法 附則第四十八条 (Supplementary Provisions, Article 48), suppl-4161-104/art-48 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-48 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-48 - suppl-4161-104/art-1/par-1/item-7: 附則第四十九条 → 厚生年金保険法 附則第四十九条 (Supplementary Provisions, Article 49), suppl-4161-104/art-49 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-49 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-49 - suppl-4161-104/art-1/par-1/item-7: 第五十条 → 厚生年金保険法 附則第五十条 (Supplementary Provisions, Article 50), suppl-4161-104/art-50 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-50 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-50 ## Cited by 5 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四号（施行期日） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-1/par-1/item-4 - 厚生年金保険法 附則第三十九条第一項（企業年金連合会への移行） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-39/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-39/par-1 - 厚生年金保険法 附則第四十条第一項（名称の使用制限に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-40/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-40/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/en/employees-pension-insurance-act/suppl-4161-104/art-47/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-47/par-1 - 厚生年金保険法 附則第七十三条第一項（罰則に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4161-104/art-73/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4161-104/art-73/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-20261013T074650-059, 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