# 厚生年金保険法 / Employees' Pension Insurance Act — 第十二条 (Article 12)

- 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: 第十二条 (Article 12)（適用除外） — address `art-12`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/art-12
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/art-12
- 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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### 第十二条（適用除外） — (Exemptions)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-12 · https://japanlaw.org/en/employees-pension-insurance-act/art-12 · https://japanlaw.org/l/329AC0000000115/art-12</sup>

  **第一項**  次の各号のいずれかに該当する者は、第九条及び第十条第一項の規定にかかわらず、厚生年金保険の被保険者としない。
  <sup>art-12/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1 · https://japanlaw.org/l/329AC0000000115/art-12/par-1</sup>
  Notwithstanding the provisions of Article 9 and Article 10, paragraph (1), a person falling under one of the following items is not an insured covered by employees' pension insurance:
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **一**  臨時に使用される者（船舶所有者に使用される船員を除く。）であつて、次に掲げるもの。ただし、イに掲げる者にあつては一月を超え、ロに掲げる者にあつては定めた期間を超え、引き続き使用されるに至つた場合を除く。
    <sup>art-12/par-1/item-1 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-1</sup>
    a person set forth in the following who is employed temporarily (other than a mariner employed by a shipowner); provided, however, that this does not apply to a person set forth in (a) who has come to be employed continuously for more than one month, nor to a person set forth in (b) who has come to be employed continuously for more than the contracted period:
    <sup>machine translation, not official</sup>

      **イ**  日々雇い入れられる者
      <sup>art-12/par-1/item-1/sub-1 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-1/sub-1 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-1/sub-1</sup>
      a person employed on a day-to-day basis;
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **ロ**  二月以内の期間を定めて使用される者であつて、当該定めた期間を超えて使用されることが見込まれないもの
      <sup>art-12/par-1/item-1/sub-2 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-1/sub-2 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-1/sub-2</sup>
      a person employed for a contracted period of two months or less who is not expected to be employed beyond that contracted period;
      <sup>machine translation, not official</sup>

    **二**  所在地が一定しない事業所に使用される者
    <sup>art-12/par-1/item-2 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-2 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-2</sup>
    a person employed at a place of business with a variable location;
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **三**  季節的業務に使用される者（船舶所有者に使用される船員を除く。）。ただし、継続して四月を超えて使用されるべき場合は、この限りでない。
    <sup>art-12/par-1/item-3 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-3 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-3</sup>
    a person employed in seasonal work (other than a mariner employed by a shipowner); provided, however, that this does not apply if the person is to be employed continuously for more than four months;
    <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "a person employed in seasonal work (other than a mariner employed by a shipowner; provided, however, that this does not apply if the person is to be employed continuously for more than four months;" — https://www.japaneselawtranslation.go.jp/en/laws/view/3554/tb</sup>

    **四**  臨時的事業の事業所に使用される者。ただし、継続して六月を超えて使用されるべき場合は、この限りでない。
    <sup>art-12/par-1/item-4 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-4</sup>
    a person employed at a place of business for temporary business; provided, however, that this does not apply if the person is to be employed continuously for more than six months; or
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **五**  事業所に使用される者であつて、その一週間の所定労働時間が同一の事業所に使用される通常の労働者（当該事業所に使用される通常の労働者と同種の業務に従事する当該事業所に使用される者にあつては、厚生労働省令で定める場合を除き、当該者と同種の業務に従事する当該通常の労働者。以下この号において単に「通常の労働者」という。）の一週間の所定労働時間の四分の三未満である短時間労働者（一週間の所定労働時間が同一の事業所に使用される通常の労働者の一週間の所定労働時間に比し短い者をいう。以下この号において同じ。）又はその一月間の所定労働日数が同一の事業所に使用される通常の労働者の一月間の所定労働日数の四分の三未満である短時間労働者に該当し、かつ、イ又はロのいずれかの要件に該当するもの
    <sup>art-12/par-1/item-5 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-5 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-5</sup>
    a person employed at a place of business who constitutes a part-time worker whose scheduled working hours per week are less than three-quarters of the scheduled working hours per week of ordinary workers employed at the same place of business (for a person employed at that place of business who engages in the same type of work as the ordinary workers employed at that place of business, except in cases prescribed by Order of the Ministry of Health, Labour and Welfare, the ordinary workers who engage in the same type of work as that person; hereinafter simply referred to as "ordinary workers" in this item) ("part-time worker" meaning a person whose scheduled working hours per week are shorter than the scheduled working hours per week of ordinary workers employed at the same place of business; the same applies hereinafter in this item) or a part-time worker whose prescribed working days per month are less than three-quarters of the prescribed working days per month of ordinary workers employed at the same place of business, and who meets one of the requirements in (a) or (b):
    <sup>machine translation, not official</sup>

      **イ**  一週間の所定労働時間が二十時間未満であること。
      <sup>art-12/par-1/item-5/sub-1 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-5/sub-1 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-5/sub-1</sup>
      the scheduled working hours per week are shorter than 20 hours;
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **ロ**  学校教育法（昭和二十二年法律第二十六号）第五十条に規定する高等学校の生徒、同法第八十三条に規定する大学の学生その他の厚生労働省令で定める者であること。
      <sup>art-12/par-1/item-5/sub-2 · https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-5/sub-2 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-5/sub-2</sup>
      the person is a student at a high school student as prescribed by Article 50 of School Education Act (Act No. 26 of 1947), a student at a university as prescribed in Article 83 of that Act, or another person as prescribed by Order of the Ministry of Health, Labour and Welfare.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- art-12/par-1: 第九条 → 厚生年金保険法 第九条 (Article 9), art-9 — https://japanlaw.org/en/employees-pension-insurance-act/art-9 · https://japanlaw.org/l/329AC0000000115/art-9
- art-12/par-1: 第十条第一項 → 厚生年金保険法 第十条第一項 (Article 10, paragraph (1)), art-10/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-10/par-1 · https://japanlaw.org/l/329AC0000000115/art-10/par-1
- art-12/par-1/item-5: この号 → 厚生年金保険法 第十二条第一項第五号 (Article 12, paragraph (1), item (v)), art-12/par-1/item-5 — https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-5 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-5
- art-12/par-1/item-5/sub-2: 学校教育法（昭和二十二年法律第二十六号）第五十条 → e-Gov law 322AC0000000026, 第五十条 (Article 50), art-50 — not held in this collection
- art-12/par-1/item-5/sub-2: 同法第八十三条 → e-Gov law 322AC0000000026, 第八十三条 (Article 83), art-83 — not held in this collection

## Cited by

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

- 厚生年金保険法 第六条第四項（適用事業所） — https://japanlaw.org/en/employees-pension-insurance-act/art-6/par-4 · https://japanlaw.org/l/329AC0000000115/art-6/par-4
- 厚生年金保険法 第八条第二項 — https://japanlaw.org/en/employees-pension-insurance-act/art-8/par-2 · https://japanlaw.org/l/329AC0000000115/art-8/par-2
- 厚生年金保険法 第十二条第一項第五号（適用除外） — https://japanlaw.org/en/employees-pension-insurance-act/art-12/par-1/item-5 · https://japanlaw.org/l/329AC0000000115/art-12/par-1/item-5
- 厚生年金保険法 第十三条第一項（資格取得の時期） — https://japanlaw.org/en/employees-pension-insurance-act/art-13/par-1 · https://japanlaw.org/l/329AC0000000115/art-13/par-1
- 厚生年金保険法 第十四条第一項第四号（資格喪失の時期） — https://japanlaw.org/en/employees-pension-insurance-act/art-14/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/art-14/par-1/item-4
- 厚生年金保険法 附則第四条の三第一項（高齢任意加入被保険者） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-4-3/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-4-3/par-1
- 厚生年金保険法 附則第四条の五第一項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-4-5/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-4-5/par-1
- 厚生年金保険法 附則第四条の六第九項（適用除外の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-4-6/par-9 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-4-6/par-9
- 厚生年金保険法 附則第四条の六第九項第一号（適用除外の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-4-6/par-9/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-4-6/par-9/item-1
- 厚生年金保険法 附則第四十四条第七項（船員任意継続被保険者に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3601-34/art-44/par-7 · https://japanlaw.org/l/329AC0000000115/suppl-3601-34/art-44/par-7
- 厚生年金保険法 附則第十六条第一項（厚生年金保険の短時間労働者への適用に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-16/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-16/par-1
- 厚生年金保険法 附則第十七条第一項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-17/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-17/par-1
- 厚生年金保険法 附則第十七条第一項第一号 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-17/par-1/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-17/par-1/item-1
- 厚生年金保険法 附則第十七条第七項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-17/par-7 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-17/par-7
- 厚生年金保険法 附則第十七条第十二項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-17/par-12 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-17/par-12
- 厚生年金保険法 附則第十七条の二第一項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-4241-62/art-17-2/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-17-2/par-1
- 厚生年金保険法 附則第十七条第一項（厚生年金保険の短時間労働者への適用に関する経過措置） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-5071-74/art-17/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-5071-74/art-17/par-1
- 厚生年金保険法 附則第二十三条第三項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-5071-74/art-23/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-5071-74/art-23/par-3
- 厚生年金保険法 附則第二十三条第三項第一号 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-5071-74/art-23/par-3/item-1 · https://japanlaw.org/l/329AC0000000115/suppl-5071-74/art-23/par-3/item-1

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of the Employees' Pension Insurance Act, written 2026-10-13
- 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
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Employees' Pension Insurance Act (厚生年金保険法), Article 12, paragraph (1), item (iii) — the Ministry of Justice's English as printed (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-20261013T073658-001, translated 2026-10-13
- claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T083844-001, 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
