# 厚生年金保険法 / Employees' Pension Insurance Act — 第十八条の二 (Article 18-2)

- 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: 第十八条の二 (Article 18-2)（異なる被保険者の種別に係る資格の得喪） — address `art-18-2`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/art-18-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-18-2
- 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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### 第十八条の二（異なる被保険者の種別に係る資格の得喪） — (Acquisition and Forfeiture of Status in Different Insured Categories)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-18-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-18-2 · https://japanlaw.org/l/329AC0000000115/art-18-2</sup>

  **第一項**  第二号厚生年金被保険者、第三号厚生年金被保険者又は第四号厚生年金被保険者は、第十三条の規定にかかわらず、同時に、第一号厚生年金被保険者の資格を取得しない。
  <sup>art-18-2/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/art-18-2/par-1 · https://japanlaw.org/l/329AC0000000115/art-18-2/par-1</sup>
  Notwithstanding the provisions of Article 13, a category II EPI insured, a category III EPI insured, or a category IV EPI insured does not simultaneously acquire the status of a category I EPI insured .
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  第一号厚生年金被保険者が同時に第二号厚生年金被保険者、第三号厚生年金被保険者又は第四号厚生年金被保険者の資格を有するに至つたときは、その日に、当該第一号厚生年金被保険者の資格を喪失する。
  <sup>art-18-2/par-2 · https://japanlaw.org/ja/employees-pension-insurance-act/art-18-2/par-2 · https://japanlaw.org/l/329AC0000000115/art-18-2/par-2</sup>
  If a category I EPI insured comes to acquire the status of a category II EPI insured, a category III EPI insured, or a category IV EPI insured, the category I EPI insured forfeits their status as a category I EPI insured on that date.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-18-2/par-1: 第十三条 → 厚生年金保険法 第十三条 (Article 13), art-13 — https://japanlaw.org/ja/employees-pension-insurance-act/art-13 · https://japanlaw.org/l/329AC0000000115/art-13

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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
- This site's parser, version 190 — 厚生年金保険法 — structure, counts, cross-references and defined terms, computed 2026-10-13