# 労働安全衛生法 / Industrial Safety and Health Act — 第三十一条の三 (Article 31-3) - 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: 第三十一条の三 (Article 31-3) — address `art-31-3` - 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-31-3 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/347AC0000000057/art-31-3 - 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. --- ### 第三十一条の三 art-31-3 · https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3 · https://japanlaw.org/l/347AC0000000057/art-31-3 **第一項** 建設業に属する事業の仕事を行う二以上の事業者又は個人事業者（事業を行う者で、労働者を使用しないものをいう。以下同じ。）に係る作業従事者（労働者及び労働者と同一の場所において仕事の作業に従事する労働者以外の作業従事者に限る。）が一の場所において機械で厚生労働省令で定めるものに係る作業（以下この条において「特定作業」という。）を行う場合において、特定作業に係る仕事を自ら行う発注者又は当該仕事の全部を請け負つた者で、当該場所において当該仕事の一部を請け負わせているものは、厚生労働省令で定めるところにより、当該場所において特定作業に従事する全ての労働者の労働災害を防止するため必要な措置を講じなければならない。 art-31-3/par-1 · https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3/par-1 · https://japanlaw.org/l/347AC0000000057/art-31-3/par-1 When persons engaged in work (limited to workers and to persons engaged in work, other than workers, who are engaged in work on a job at the same site as workers) associated with two or more employers or individual business operators (meaning persons conducting a business who do not employ workers; the same applies hereinafter) who are carrying out jobs involved in business undertakings categorized as the construction industry are doing work at one site involving machinery which is specified by Order of the Ministry of Health, Labour and Welfare (hereinafter referred to as "specified work" in this Article), an original orderer that directly carries out a job associated with the specified work or a person that has been contracted for all of that job, that contracts out a part of the job at that site must take the necessary measures to prevent industrial injuries among all of the workers engaged in the specified work at that site pursuant to Order of the Ministry of Health, Labour and Welfare. machine translation, not official **第二項** 前項の場合において、同項の規定により同項に規定する措置を講ずべき者がいないときは、当該場所において行われる特定作業に係る仕事の全部を請負人に請け負わせている建設業に属する事業の元方事業者又は第三十条第二項若しくは第三項の規定により指名された事業者で建設業に属する事業を行うものは、前項に規定する措置を講ずる者を指名する等当該場所において特定作業に従事するすべての労働者の労働災害を防止するため必要な配慮をしなければならない。 art-31-3/par-2 · https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3/par-2 · https://japanlaw.org/l/347AC0000000057/art-31-3/par-2 In a case as referred to in the preceding paragraph, if there is no person that, pursuant to the provisions of that paragraph, is required to take the measures prescribed in that paragraph, the principal employer with a business undertaking categorized as the construction industry that has contracted out all of the jobs associated with specified operation at that site to contractors or the employer specified pursuant to the provisions of paragraph (2) or (3) of Article 30 that is carrying out an undertaking categorized as the construction industry must give the necessary consideration for preventing industrial accidents among all of the workers who are engaged in the specified operation at the site, such as nominating a person to carry out the measures designated in the preceding paragraph. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-31-3/par-1: この条 → 労働安全衛生法 第三十一条の三 (Article 31-3), art-31-3 — https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3 · https://japanlaw.org/l/347AC0000000057/art-31-3 - art-31-3/par-2: 前項 → 労働安全衛生法 第三十一条の三第一項 (Article 31-3, paragraph (1)), art-31-3/par-1 — https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3/par-1 · https://japanlaw.org/l/347AC0000000057/art-31-3/par-1 - art-31-3/par-2: 第三十条第二項 → 労働安全衛生法 第三十条第二項 (Article 30, paragraph (2)), art-30/par-2 — https://japanlaw.org/en/industrial-safety-and-health-act/art-30/par-2 · https://japanlaw.org/l/347AC0000000057/art-30/par-2 - art-31-3/par-2: 第三項 → 労働安全衛生法 第三十条第三項 (Article 30, paragraph (3)), art-30/par-3 — https://japanlaw.org/en/industrial-safety-and-health-act/art-30/par-3 · https://japanlaw.org/l/347AC0000000057/art-30/par-3 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 労働安全衛生法 第三十一条の三第一項 — https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3/par-1 · https://japanlaw.org/l/347AC0000000057/art-31-3/par-1 - 労働安全衛生法 第三十一条の三第二項 — https://japanlaw.org/en/industrial-safety-and-health-act/art-31-3/par-2 · https://japanlaw.org/l/347AC0000000057/art-31-3/par-2 - 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 第四十五条第三項（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-3 · https://japanlaw.org/l/360AC0000000088/art-45/par-3 --- ## 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 - claude-opus-5-5 — Machine translation, batch industrial-safety-and-health-act-20261017T185616-001, translated 2026-10-18 - This site's parser, version 209 — 労働安全衛生法 — structure, counts, cross-references and defined terms, computed 2026-10-17