# 労働安全衛生法 / Industrial Safety and Health Act — 第五条 (Article 5) - 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: 第五条 (Article 5)（事業者に関する規定の適用） — address `art-5` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/industrial-safety-and-health-act/art-5 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/347AC0000000057/art-5 - 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. --- ### 第五条（事業者に関する規定の適用） — (Application of Provisions Related to Employers) caption: Ministry of Justice translation — Japanese Law Translation Database System art-5 · https://japanlaw.org/ja/industrial-safety-and-health-act/art-5 · https://japanlaw.org/l/347AC0000000057/art-5 **第一項** 二以上の建設業に属する事業の事業者が、一の場所において行われる当該事業の仕事を共同連帯して請け負つた場合においては、厚生労働省令で定めるところにより、そのうちの一人を代表者として定め、これを都道府県労働局長に届け出なければならない。 art-5/par-1 · https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-1 · https://japanlaw.org/l/347AC0000000057/art-5/par-1 If two or more employers with business undertakings in the construction industry have been contracted to work together jointly on a job that is involved in those undertakings that will be carried out at one site, they must designate one person from among themselves as a representative and file a notification of this with the Director of the Prefectural Labour Bureau, pursuant to Order of the Ministry of Health, Labour and Welfare . Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の規定による届出がないときは、都道府県労働局長が代表者を指名する。 art-5/par-2 · https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-2 · https://japanlaw.org/l/347AC0000000057/art-5/par-2 If a notification under the provisions of the preceding paragraph has not been filed, the Director of the Prefectural Labour Bureau designates a representative. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 前二項の代表者の変更は、都道府県労働局長に届け出なければ、その効力を生じない。 art-5/par-3 · https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-3 · https://japanlaw.org/l/347AC0000000057/art-5/par-3 A change to the representative referred to in the preceding two paragraphs does not become valid unless a notification is filed with the Director of the Prefectural Labour Bureau. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第一項に規定する場合においては、当該事業を同項又は第二項の代表者のみの事業と、当該代表者のみを当該事業の事業者と、当該事業の仕事に従事する労働者を当該代表者のみが使用する労働者とそれぞれみなして、この法律を適用する。 art-5/par-4 · https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-4 · https://japanlaw.org/l/347AC0000000057/art-5/par-4 In a case as provided in paragraph (1), this Act is applied by deeming the relevant business undertakings to be the undertakings of the representative referred to in paragraph (1) or (2) alone, the representative alone to be the employer in those undertakings, and the workers engaged in the jobs involved in those undertakings to be workers employed solely by the representative. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-5/par-2: 前項 → 労働安全衛生法 第五条第一項 (Article 5, paragraph (1)), art-5/par-1 — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-1 · https://japanlaw.org/l/347AC0000000057/art-5/par-1 - art-5/par-3: 前二項 → 労働安全衛生法 第五条第一項 (Article 5, paragraph (1)), art-5/par-1 — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-1 · https://japanlaw.org/l/347AC0000000057/art-5/par-1 - art-5/par-3: 前二項 → 労働安全衛生法 第五条第二項 (Article 5, paragraph (2)), art-5/par-2 — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-2 · https://japanlaw.org/l/347AC0000000057/art-5/par-2 - art-5/par-4: 第一項 → 労働安全衛生法 第五条第一項 (Article 5, paragraph (1)), art-5/par-1 — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-1 · https://japanlaw.org/l/347AC0000000057/art-5/par-1 - art-5/par-4: 第二項 → 労働安全衛生法 第五条第二項 (Article 5, paragraph (2)), art-5/par-2 — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-2 · https://japanlaw.org/l/347AC0000000057/art-5/par-2 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 労働安全衛生法 第五条第二項（事業者に関する規定の適用） — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-2 · https://japanlaw.org/l/347AC0000000057/art-5/par-2 - 労働安全衛生法 第五条第三項（事業者に関する規定の適用） — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-3 · https://japanlaw.org/l/347AC0000000057/art-5/par-3 - 労働安全衛生法 第五条第四項（事業者に関する規定の適用） — https://japanlaw.org/ja/industrial-safety-and-health-act/art-5/par-4 · https://japanlaw.org/l/347AC0000000057/art-5/par-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 第四十五条第八項（労働安全衛生法の適用に関する特例等） — https://japanlaw.org/ja/worker-dispatch-act/art-45/par-8 · https://japanlaw.org/l/360AC0000000088/art-45/par-8 - 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 第四十五条第十項（労働安全衛生法の適用に関する特例等） — https://japanlaw.org/ja/worker-dispatch-act/art-45/par-10 · https://japanlaw.org/l/360AC0000000088/art-45/par-10 --- ## 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