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Industrial Safety and Health Act

労働安全衛生法(ろうどうあんぜんえいせいほう)

Chapter IV Measures to Prevent the Endangerment of Workers and Impairment of Workers' Health (Articles 31-3 to 36)

The law as Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

Article 31-3第三十一条の三

Article 31-3, paragraph (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.

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。

Article 31-3, paragraph (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.

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。

Article 31-4第三十一条の四

Prohibition of Illegal Instruction(違法な指示の禁止)
Article 31-4, paragraph (1)

An orderer must not give its contractor (including the parties to all contracts for work subsequent to the one with that contractor, if a job is carried out based on multiple levels of contracts) an instruction in connection with the relevant job that would result in a violation of the provisions of this Act or an order issued under this Act if the persons engaged in work associated with that contractor did work in accordance with the instruction.

注文者は、その請負人(仕事が数次の請負契約によつて行われるときは、当該請負人の請負契約の後次の全ての請負契約の当事者である請負人を含む。)に対し、当該仕事に関し、その指示に従つて当該請負人に係る作業従事者が作業を行つたならば、この法律又はこれに基づく命令の規定に違反することとなる指示をしてはならない。

Article 32第三十二条

Measures to Be Taken by Contractors(請負人の講ずべき措置等)
Article 32, paragraph (1)

In a case as referred to in paragraph (1) or (4) of Article 30, a contractor that does not constitute an employer obliged to take the measures provided for in paragraph (1) of that Article, and that directly carries out the relevant job must take the necessary measures based on the measures that are taken pursuant to those provisions.

第三十条第一項又は第四項の場合において、同条第一項に規定する措置を講ずべき事業者以外の請負人で、当該仕事を自ら行うものは、これらの規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (2)

In a case as referred to in paragraph (1) or (4) of Article 30-2, a contractor that does not constitute an employer obliged to take measures provided for in paragraph (1) of that Article, and that directly carries out the job must take the necessary measures, based on the measures that are taken pursuant to those provisions.

第三十条の二第一項又は第四項の場合において、同条第一項に規定する措置を講ずべき事業者以外の請負人で、当該仕事を自ら行うものは、これらの規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (3)

In a case as referred to in paragraph (1) or (4) of Article 30-3, a contractor that does not constitute an employer obliged to take measures in each item of paragraph (1) of Article 25-2, and that directly carries out the job must take the necessary measures, based on the measures that are taken pursuant to the provisions of paragraph (1) or (4) of Article 30-3.

第三十条の三第一項又は第四項の場合において、第二十五条の二第一項各号の措置を講ずべき事業者以外の請負人で、当該仕事を自ら行うものは、第三十条の三第一項又は第四項の規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (4)

In a case as referred to in paragraph (1) of Article 30-4, a contractor of the work site managing employer that directly carries out a job at the relevant site must take the necessary measures, based on the measures that are taken pursuant to the provisions of that paragraph.

第三十条の四第一項の場合において、作業場所管理事業者の請負人で、当該場所において仕事を自ら行うものは、同項の規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (5)

In a case as referred to in paragraph (1) of Article 31, a contractor associated with the persons engaged in work who are using the relevant construction, equipment, or raw material must take the necessary measures, based on the measures that are taken pursuant to the provisions of that paragraph.

第三十一条第一項の場合において、当該建設物等を使用する作業従事者に係る請負人は、同項の規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (6)

In a case as referred to in Article 31-2, a contractor involved in a job as provided for in that Article must take the necessary measures, based on the measures taken pursuant to the provisions of that Article.

第三十一条の二の場合において、同条に規定する仕事に係る請負人は、同条の規定により講ぜられる措置に応じて、必要な措置を講じなければならない。

Article 32, paragraph (7)

In a case as referred to in paragraph (1) or (4) of Article 30, paragraph (1) or (4) of Article 30-2, paragraph (1) or (4) of Article 30-3, paragraph (1) of Article 30-4, paragraph (1) of Article 31, or Article 31-2, persons engaged in work must observe the necessary rules in accordance with the measures taken pursuant to these provisions or the provisions of each of the preceding paragraphs.

第三十条第一項若しくは第四項、第三十条の二第一項若しくは第四項、第三十条の三第一項若しくは第四項、第三十条の四第一項、第三十一条第一項又は第三十一条の二の場合において、作業従事者は、これらの規定又は前各項の規定により講ぜられる措置に応じて、必要な事項を守らなければならない。

Article 32, paragraph (8)

A contractor as referred to in paragraphs (1) through (6) and a person engaged in work as referred to in the preceding paragraph must follow the instructions given by the specified principal employer, etc. referred to in paragraph (1) of Article 30, the principal employer, etc. referred to in paragraph (1) of Article 30-2 or paragraph (1) of Article 30-3, the work site managing employer referred to in paragraph (1) of Article 30-4, the orderer referred to in paragraph (1) of Article 31 or Article 31-2, or the contractor referred to in paragraphs (1) through (6), for ensuring the implementation of the measures under the provisions of paragraph (1) or (4) of Article 30, paragraph (1) or (4) of Article 30-2, paragraph (1) or (4) of Article 30-3, paragraph (1) of Article 30-4, paragraph (1) of Article 31, Article 31-2, or paragraphs (1) through (6).

第一項から第六項までの請負人及び前項の作業従事者は、第三十条第一項の特定元方事業者等、第三十条の二第一項若しくは第三十条の三第一項の元方事業者等、第三十条の四第一項の作業場所管理事業者、第三十一条第一項若しくは第三十一条の二の注文者又は第一項から第六項までの請負人が第三十条第一項若しくは第四項、第三十条の二第一項若しくは第四項、第三十条の三第一項若しくは第四項、第三十条の四第一項、第三十一条第一項、第三十一条の二又は第一項から第六項までの規定に基づく措置の実施を確保するためにする指示に従わなければならない。

Article 33第三十三条

Measures to Be Taken by Lessors of Machinery and Other Such Equipment(機械等貸与者等の講ずべき措置等)
Article 33, paragraph (1)

A person that leases out the machinery or other such equipment that is specified by Cabinet Order to a person conducting a business, and that is specified by Order of the Ministry of Health, Labour and Welfare (hereinafter referred to as a "lessor of machinery or other such equipment") must take the necessary measures to prevent industrial injuries due to leased machinery or other such equipment at the workplace of the person conducting a business that rents that machinery or other such equipment.

機械等で、政令で定めるものを事業を行う者に貸与する者で、厚生労働省令で定めるもの(以下「機械等貸与者」という。)は、当該機械等の貸与を受けた事業を行う者の事業場における当該機械等による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。

Article 33, paragraph (2)

A person that rents machinery or other such equipment from a lessor of machinery or other such equipment must take the necessary measures to prevent industrial injuries due to the operation of the machinery or other such equipment, if the operator of the machinery or other such equipment is not a worker employed thereby.

機械等貸与者から機械等の貸与を受けた者は、当該機械等を操作する者がその使用する労働者でないときは、当該機械等の操作による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。

Article 33, paragraph (3)

A worker that operates machinery or other such equipment as referred to in the preceding paragraph must observe the necessary rules in accordance with the measures that the person renting the machinery or other such equipment takes pursuant to the provisions of that paragraph.

前項の機械等を操作する者は、機械等の貸与を受けた者が同項の規定により講ずる措置に応じて、必要な事項を守らなければならない。

Article 34第三十四条

Measures to Be Taken by Building Lessors(建築物貸与者の講ずべき措置)
Article 34, paragraph (1)

A person that leases out a building that is as specified by Cabinet Order to persons conducting a business (hereinafter referred to as a "building lessor") must take the necessary measures to prevent industrial injuries due to the leased building in relation to the business of the persons renting it; provided, however, that this does not apply if all of the building is leased out to one employer or individual business operator, or if it is leased out only to two or more individual business operators.

建築物で、政令で定めるものを事業を行う者に貸与する者(以下「建築物貸与者」という。)は、当該建築物の貸与を受けた者の事業に係る当該建築物による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。ただし、当該建築物の全部を一の事業者若しくは個人事業者に貸与するとき、又は二以上の個人事業者のみに貸与するときは、この限りでない。

Article 35第三十五条

Labeling of Weight(重量表示)
Article 35, paragraph (1)

A person seeking to forward a piece of cargo which weighs one ton or more must label the cargo with its weight in a way that is easy to see and not easily erasable; provided, however, that this does not apply if a person is forwarding unpackaged cargo the weight of which is clear at a glance.

一の貨物で、重量が一トン以上のものを発送しようとする者は、見やすく、かつ、容易に消滅しない方法で、当該貨物にその重量を表示しなければならない。ただし、包装されていない貨物で、その重量が一見して明らかであるものを発送しようとするときは、この限りでない。

Article 36第三十六条

Delegation to Order of the Ministry of Health, Labour and Welfare(厚生労働省令への委任)
Article 36, paragraph (1)

The measures to be taken pursuant to the provisions of paragraph (1) or (4) of Article 30, paragraph (1) or (4) of Article 30-2, paragraph (1) or (4) of Article 30-3, paragraph (1) of Article 30-4, paragraph (1) of Article 31, Article 31-2, paragraphs (1) through (6) of Article 32, paragraph (1) or (2) of Article 33, or Article 34, by the parties mentioned in these provisions, and the matters to be observed pursuant to the provisions of paragraph (7) of Article 32 or paragraph (3) of Article 33 by the parties mentioned in these provisions are prescribed by Order of the Ministry of Health, Labour and Welfare.

第三十条第一項若しくは第四項、第三十条の二第一項若しくは第四項、第三十条の三第一項若しくは第四項、第三十条の四第一項、第三十一条第一項、第三十一条の二、第三十二条第一項から第六項まで、第三十三条第一項若しくは第二項又は第三十四条の規定によりこれらの規定に定める者が講ずべき措置及び第三十二条第七項又は第三十三条第三項の規定によりこれらの規定に定める者が守らなければならない事項は、厚生労働省令で定める。

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