# 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-4121-18/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-4121-18/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4121-18/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.

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### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4121-18/art-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1</sup>

**第一項**  この法律は、平成十二年四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。
<sup>suppl-4121-18/art-1/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1</sup>
This Act comes into effect on April 1, 2000; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items:
<sup>machine translation, not official</sup>

  **一**  第一条中国民年金法第百二十八条第四項及び第百三十七条の十五第五項の改正規定、第四条（厚生年金保険法第八十一条の二第二項の改正規定（「第百三十九条第五項又は第六項」を「第百三十九条第六項又は第七項」に改める部分及び「同条第五項又は第六項」を「同条第六項又は第七項」に改める部分に限る。）、同法第百十九条第四項、第百二十条の四、第百三十条第四項及び第百三十条の二の改正規定、同法第百三十六条の三の改正規定及び同条を第百三十六条の四とする改正規定、同法第百三十六条の二の次に一条を加える改正規定、同法第百三十九条第六項を同条第七項とする改正規定、同条第五項を同条第六項とし、同条第四項を同条第五項とし、同条第三項の次に一項を加える改正規定、同法第百四十条第八項の改正規定（「前条第六項」を「前条第七項」に改める部分に限る。）並びに同法第百四十一条、第百五十九条第五項、第百五十九条の二、第百六十四条第三項及び第百七十六条の改正規定に限る。）並びに第二十一条中厚生年金保険法等の一部を改正する法律附則第五十五条第二項、第五十六条第二項、第五十七条第二項及び第六十条の改正規定並びに附則第八条、第十二条、第十三条、第三十二条から第三十四条まで及び第三十八条の規定　公布の日から起算して三月以内の政令で定める日
  <sup>suppl-4121-18/art-1/par-1/item-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-1</sup>
  the provisions in Article 1 amending Article 128, paragraph (4) and Article 137-15, paragraph (5) of the National Pension Act; the provisions of Article 4 (limited to the provision amending Article 81-2, paragraph (2) of the Employees' Pension Insurance Act (limited to the part replacing "Article 139, paragraph (5) or paragraph (6)" with "Article 139, paragraph (6) or paragraph (7)" and the part replacing "paragraph (5) or paragraph (6) of that Article" with "paragraph (6) or paragraph (7) of that Article"), the provisions amending Article 119, paragraph (4), Article 120-4, Article 130, paragraph (4), and Article 130-2 of that Act, the provision amending Article 136-3 of that Act and the provision renumbering that Article as Article 136-4, the provision adding one Article after Article 136-2 of that Act, the provision renumbering Article 139, paragraph (6) of that Act as paragraph (7) of that Article, the provision renumbering paragraph (5) of that Article as paragraph (6) of that Article, renumbering paragraph (4) of that Article as paragraph (5) of that Article, and adding one paragraph after paragraph (3) of that Article, the provision amending Article 140, paragraph (8) of that Act (limited to the part replacing "paragraph (6) of the preceding Article" with "paragraph (7) of the preceding Article"), and the provisions amending Article 141, Article 159, paragraph (5), Article 159-2, Article 164, paragraph (3), and Article 176 of that Act); the provisions in Article 21 amending Article 55, paragraph (2), Article 56, paragraph (2), Article 57, paragraph (2), and Article 60 of the Supplementary Provisions of the Act Partially Amending the Employees' Pension Insurance Act, etc.; and the provisions of Articles 8, 12, and 13, Articles 32 through 34, and Article 38 of the Supplementary Provisions: the date specified by Cabinet Order within three months from the date of promulgation;
  <sup>machine translation, not official</sup>

  **二**  第四条中厚生年金保険法第二十条の改正規定及び附則第五条の規定　平成十二年十月一日
  <sup>suppl-4121-18/art-1/par-1/item-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-2</sup>
  the provisions of Article 4 amending Article 20 of the Employees' Pension Insurance Act and the provisions of Article 5 of the Supplementary Provisions: October 1, 2000;
  <sup>machine translation, not official</sup>

  **三**  第二条、第五条、第八条、第十一条中厚生年金保険法等の一部を改正する法律附則第三十五条第一項の改正規定（「第四十三条」を「第四十三条第一項」に改める部分に限る。）、第十四条、第十六条、第十九条及び第二十三条並びに附則第十四条から第十八条まで及び第二十九条から第三十一条までの規定　平成十四年四月一日
  <sup>suppl-4121-18/art-1/par-1/item-3 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-3 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-3</sup>
  the provisions of Article 2, Article 5, Article 8, the provision in Article 11 amending Article 35, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the Employees' Pension Insurance Act, etc. (limited to the part replacing "Article 43" with "Article 43, paragraph (1)"), Article 14, Article 16, Article 19 and Article 23, and the provisions of Article 14 through Article 18 and Article 29 through Article 31 of the Supplementary Provisions: April 1, 2002;
  <sup>machine translation, not official</sup>

  **四**  第六条（厚生年金保険法第四十六条第一項及び第二項の改正規定、同法附則第十一条から第十一条の三までの改正規定並びに同法附則第十三条の六の改正規定を除く。）、第九条、第十二条、第十五条、第十七条、第二十条中国民年金法等の一部を改正する法律附則第三十五条第六項の改正規定、第二十一条中厚生年金保険法等の一部を改正する法律附則第十八条第一項及び第二項の改正規定並びに第二十五条並びに附則第十九条から第二十八条まで、第三十五条及び第三十六条の規定　平成十五年四月一日
  <sup>suppl-4121-18/art-1/par-1/item-4 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-4</sup>
  the provisions of Article 6 (excluding the provisions amending Article 46, paragraphs (1) and (2) of the Employees' Pension Insurance Act, the provisions amending Articles 11 through 11-3 of the Supplementary Provisions of that Act, and the provision amending Article 13-6 of the Supplementary Provisions of that Act), Article 9, Article 12, Article 15, and Article 17; the provision in Article 20 amending Article 35, paragraph (6) of the Supplementary Provisions of the Act Partially Amending the National Pension Act, etc.; the provisions in Article 21 amending Article 18, paragraphs (1) and (2) of the Supplementary Provisions of the Act Partially Amending the Employees' Pension Insurance Act, etc.; the provisions of Article 25; and the provisions of Articles 19 through 28, 35, and 36 of the Supplementary Provisions: April 1, 2003;
  <sup>machine translation, not official</sup>

  **五**  第六条中厚生年金保険法第四十六条第一項及び第二項並びに附則第十一条から第十一条の三まで及び第十三条の六の改正規定並びに第二十条中国民年金法等の一部を改正する法律附則第二十一条、第二十二条、第二十四条から第二十六条まで及び第二十八条の改正規定　平成十六年四月一日
  <sup>suppl-4121-18/art-1/par-1/item-5 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-5 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-5</sup>
  the provisions of Article 6 amending Article 46, paragraphs (1) and (2) of the Employees' Pension Insurance Act and Articles 11 through 11-3 and Article 13-6 of the Supplementary Provisions of that Act, and the provisions of Article 20 amending Articles 21, 22, 24 through 26 and 28 of the Supplementary Provisions of the Act Partially Amending the National Pension Act, etc.: April 1, 2004;
  <sup>machine translation, not official</sup>

  **六**  第三条、第七条、第二十条中国民年金法等の一部を改正する法律附則第十一条第九項の改正規定及び附則第三十七条の規定　平成十三年四月一日
  <sup>suppl-4121-18/art-1/par-1/item-6 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-6 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-6</sup>
  the provisions of Article 3, Article 7, the provision of Article 20 amending Article 11, paragraph (9) of the Supplementary Provisions of the Act Partially Amending the National Pension Act, etc., and the provisions of Article 37 of the Supplementary Provisions: April 1, 2001.
  <sup>machine translation, not official</sup>

**第二項**  第三条の規定による改正後の国民年金法第七十七条第一項に規定する基本方針及び第七条の規定による改正後の厚生年金保険法第七十九条の四第一項に規定する基本方針の策定のため必要な手続きその他の行為は、施行日前においても行うことができる。
<sup>suppl-4121-18/art-1/par-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-1/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-2</sup>
The procedures and other acts necessary for establishing the basic policy prescribed in Article 77, paragraph (1) of the National Pension Act after the revision under the provisions of Article 3, and the basic policy prescribed in Article 79-4, paragraph (1) of the Employees' Pension Insurance Act after the revision under the provisions of Article 7, may be performed even before the effective date.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4121-18/art-1/par-1/item-1: 附則第八条 → 厚生年金保険法 附則第八条 (Supplementary Provisions, Article 8), suppl-4121-18/art-8 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-8 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-8
- suppl-4121-18/art-1/par-1/item-1: 第十二条 → 厚生年金保険法 附則第十二条 (Supplementary Provisions, Article 12), suppl-4121-18/art-12 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-12 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-12
- suppl-4121-18/art-1/par-1/item-1: 第十三条 → 厚生年金保険法 附則第十三条 (Supplementary Provisions, Article 13), suppl-4121-18/art-13 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-13 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-13
- suppl-4121-18/art-1/par-1/item-1: 第三十八条 → 厚生年金保険法 附則第三十八条 (Supplementary Provisions, Article 38), suppl-4121-18/art-38 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-38 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-38
- suppl-4121-18/art-1/par-1/item-2: 附則第五条 → 厚生年金保険法 附則第五条 (Supplementary Provisions, Article 5), suppl-4121-18/art-5 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-5 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-5
- suppl-4121-18/art-1/par-1/item-3: 附則第十四条から第十八条まで → 厚生年金保険法 附則第十四条 (Supplementary Provisions, Article 14), suppl-4121-18/art-14 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-14 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-14
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第十九条 (Supplementary Provisions, Article 19), suppl-4121-18/art-19 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-19 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-19
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十条 (Supplementary Provisions, Article 20), suppl-4121-18/art-20 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-20 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-20
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十一条 (Supplementary Provisions, Article 21), suppl-4121-18/art-21 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-21 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-21
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十二条 (Supplementary Provisions, Article 22), suppl-4121-18/art-22 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-22 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-22
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十三条 (Supplementary Provisions, Article 23), suppl-4121-18/art-23 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-23 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-23
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十四条 (Supplementary Provisions, Article 24), suppl-4121-18/art-24 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-24 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-24
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十六条 (Supplementary Provisions, Article 26), suppl-4121-18/art-26 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-26 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-26
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十七条 (Supplementary Provisions, Article 27), suppl-4121-18/art-27 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-27 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-27
- suppl-4121-18/art-1/par-1/item-4: 附則第十九条から第二十八条まで → 厚生年金保険法 附則第二十八条 (Supplementary Provisions, Article 28), suppl-4121-18/art-28 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-28 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-28
- suppl-4121-18/art-1/par-1/item-6: 附則第三十七条 → 厚生年金保険法 附則第三十七条 (Supplementary Provisions, Article 37), suppl-4121-18/art-37 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-37 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-37
- suppl-4121-18/art-1/par-2: 国民年金法第七十七条第一項 → 国民年金法 第七十七条第一項 (Article 77, paragraph (1)), art-77/par-1 — https://japanlaw.org/en/national-pension-act/art-77/par-1 · https://japanlaw.org/l/334AC0000000141/art-77/par-1
- suppl-4121-18/art-1/par-2: 厚生年金保険法第七十九条の四第一項 → 厚生年金保険法 第七十九条の四第一項 (Article 79-4, paragraph (1)), art-79-4/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-79-4/par-1 · https://japanlaw.org/l/329AC0000000115/art-79-4/par-1

## Cited by

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

- 厚生年金保険法 附則第八条第一項（厚生年金基金の学識経験を有する者のうちから選任された監事に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-8/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-8/par-1
- 厚生年金保険法 附則第十二条第一項（厚生年金基金及び厚生年金基金連合会の業務の委託の認可に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-12/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-12/par-1
- 厚生年金保険法 附則第十三条第一項（厚生年金基金及び厚生年金基金連合会の年金給付等積立金の管理及び運用の認定に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-13/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-13/par-1
- 厚生年金保険法 附則第三十八条第一項（罰則に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-18/art-38/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-38/par-1
- 厚生年金保険法 附則第一条第一項（施行期日） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4121-20/art-1/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-20/art-1/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
- 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