# 労働安全衛生法 / Industrial Safety and Health Act — 第九十一条 (Article 91)

- Law: 労働安全衛生法 (Industrial Safety and Health Act), 昭和四十七年法律第五十七号
- English title "Industrial Safety and Health 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: 第九十一条 (Article 91)（労働基準監督官の権限） — address `art-91`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/industrial-safety-and-health-act/art-91
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/347AC0000000057/art-91
- 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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### 第九十一条（労働基準監督官の権限） — (Authority of labor standards inspectors)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-91 · https://japanlaw.org/en/industrial-safety-and-health-act/art-91 · https://japanlaw.org/l/347AC0000000057/art-91</sup>

**第一項**  労働基準監督官は、この法律を施行するため必要があると認めるときは、事業場に立ち入り、関係者に質問し、帳簿、書類その他の物件を検査し、若しくは作業環境測定を行い、又は検査に必要な限度において無償で製品、原材料若しくは器具を収去することができる。
<sup>art-91/par-1 · https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-1 · https://japanlaw.org/l/347AC0000000057/art-91/par-1</sup>
On finding it to be necessary to do so in order to bring this Act into effect, a labor standards inspector may enter a workplace, question persons concerned, inspect books, documents, and other articles, conduct work environment monitoring, and, within the limits of what is necessary for an inspection, collect without compensation samples of products, raw materials, and implements.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  医師である労働基準監督官は、第六十八条の疾病にかかつた疑いのある労働者の検診を行なうことができる。
<sup>art-91/par-2 · https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-2 · https://japanlaw.org/l/347AC0000000057/art-91/par-2</sup>
A labor standards inspector who is a physician may conduct medical screenings on workers who seem to have contracted a disease referred to in Article 68.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第三項**  前二項の場合において、労働基準監督官は、その身分を示す証票を携帯し、関係者に提示しなければならない。
<sup>art-91/par-3 · https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-3 · https://japanlaw.org/l/347AC0000000057/art-91/par-3</sup>
In a case referred to in the preceding two paragraphs, the labor standards inspector must carry an identification card and show it to persons concerned.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第四項**  第一項の規定による立入検査の権限は、犯罪捜査のために認められたものと解釈してはならない。
<sup>art-91/par-4 · https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-4 · https://japanlaw.org/l/347AC0000000057/art-91/par-4</sup>
The right to conduct on-site inspections under the provisions of paragraph (1) must not be interpreted as authorization for the purpose of a criminal investigation.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-91/par-2: 第六十八条 → 労働安全衛生法 第六十八条 (Article 68), art-68 — https://japanlaw.org/en/industrial-safety-and-health-act/art-68 · https://japanlaw.org/l/347AC0000000057/art-68
- art-91/par-3: 前二項 → 労働安全衛生法 第九十一条第一項 (Article 91, paragraph (1)), art-91/par-1 — https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-1 · https://japanlaw.org/l/347AC0000000057/art-91/par-1
- art-91/par-3: 前二項 → 労働安全衛生法 第九十一条第二項 (Article 91, paragraph (2)), art-91/par-2 — https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-2 · https://japanlaw.org/l/347AC0000000057/art-91/par-2
- art-91/par-4: 第一項 → 労働安全衛生法 第九十一条第一項 (Article 91, paragraph (1)), art-91/par-1 — https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-1 · https://japanlaw.org/l/347AC0000000057/art-91/par-1

## Cited by

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

- 労働安全衛生法 第九十一条第三項（労働基準監督官の権限） — https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-3 · https://japanlaw.org/l/347AC0000000057/art-91/par-3
- 労働安全衛生法 第九十一条第四項（労働基準監督官の権限） — https://japanlaw.org/en/industrial-safety-and-health-act/art-91/par-4 · https://japanlaw.org/l/347AC0000000057/art-91/par-4
- 労働安全衛生法 第九十四条第二項（産業安全専門官及び労働衛生専門官の権限） — https://japanlaw.org/en/industrial-safety-and-health-act/art-94/par-2 · https://japanlaw.org/l/347AC0000000057/art-94/par-2
- 労働安全衛生法 第九十六条第五項（厚生労働大臣等の権限） — https://japanlaw.org/en/industrial-safety-and-health-act/art-96/par-5 · https://japanlaw.org/l/347AC0000000057/art-96/par-5
- 労働安全衛生法 第九十六条の二第五項（機構による労働災害の原因の調査等の実施） — https://japanlaw.org/en/industrial-safety-and-health-act/art-96-2/par-5 · https://japanlaw.org/l/347AC0000000057/art-96-2/par-5
- 労働安全衛生法 第百二十条第一項第四号 — https://japanlaw.org/en/industrial-safety-and-health-act/art-120/par-1/item-4 · https://japanlaw.org/l/347AC0000000057/art-120/par-1/item-4
- 労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律 第四十五条第十五項（労働安全衛生法の適用に関する特例等） — https://japanlaw.org/en/worker-dispatch-act/art-45/par-15 · https://japanlaw.org/l/360AC0000000088/art-45/par-15

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 労働安全衛生法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/347AC0000000057/20261001_507AC0000000033), retrieved 2026-10-17
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Industrial Safety and Health Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3440/tb), retrieved 2026-10-17
- This site's parser, version 209 — 労働安全衛生法 — structure, counts, cross-references and defined terms, computed 2026-10-17
