# 厚生年金保険法 / Employees' Pension Insurance Act — 第十八条 (Supplementary Provisions, Article 18)

- 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: 第十八条 (Supplementary Provisions, Article 18) — address `suppl-3551-82/art-18`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/suppl-3551-82/art-18
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-3551-82/art-18
- 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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### 第十八条
<sup>suppl-3551-82/art-18 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3551-82/art-18 · https://japanlaw.org/l/329AC0000000115/suppl-3551-82/art-18</sup>

**第一項**  第一条の規定による改正後の厚生年金保険法附則第十二条第三項の規定による老齢年金の支給については、昭和五十五年六月一日から同年九月三十日までの間は、同項中「第二十級」とあるのは、「第二十五級」とする。
<sup>suppl-3551-82/art-18/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3551-82/art-18/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3551-82/art-18/par-1</sup>
With regard to the payment of an old-age pension under Article 12, paragraph (3) of the Supplementary Provisions of the Employees' Pension Insurance Act as amended by the provisions of Article 1, for the period from June 1, 1980 through September 30 of that year, the phrase "Grade 20" in that paragraph is deemed to be replaced with "Grade 25".
<sup>machine translation, not official</sup>

## Cited by

1 provision cites this one. No official source publishes this direction.

- 厚生年金保険法 附則第一条第二項第一号（施行期日等） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3551-82/art-1/par-2/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-3551-82/art-1/par-2/item-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-20261013T074650-026, 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