Industrial Safety and Health Act

The principal employer with a business undertaking (excluding specified undertakings) categorized as the manufacturing industry or in any other industry specified by Cabinet Order must take measures for liaison and coordination between related work and other necessary measures, in order to prevent industrial injuries from occurring as a result of work being carried out at the same site by the persons engaged in work who are its workers (including, if there are persons engaged in work associated with the principal employer who are not workers in addition to the persons engaged in work who are its workers, those persons) and the persons engaged in work associated with related contractors.

The provisions of paragraph (2) of the preceding Article apply mutatis mutandis to the original orderer of a job involved in a business undertaking prescribed in the preceding paragraph. In this case, the term "the specified principal employer", "a job involved in a specified undertaking", "in the preceding paragraph", and "all of the jobs involved in a specified undertaking", each in paragraph (2) of that Article, are deemed to be replaced with "the principal employer", "a job", "paragraph (1) of the following Article", and "all jobs", respectively.

If a designation under the provisions of paragraph (2) of the preceding Article as applied mutatis mutandis pursuant to the preceding paragraph is not made, the Chief of the Labour Standard Inspection Offices makes the designation referred to in that paragraph.

When a designation under the provisions of paragraph (2) of the preceding Article as applied mutatis mutandis pursuant to paragraph (2), or under the provisions of the preceding paragraph has been made, the designated employer must take the measures specified in paragraph (1) for all persons engaged in work on the jobs at that site. In such a case, the provisions of that paragraph do not apply to the designated employer and employers other than that designated employer.

If a job as prescribed in paragraph (1) of Article 25-2 is carried out based on multiple levels of contracts (other than in a case as referred to in paragraph (4)), the principal employer must take the measures set forth in each item of paragraph (1) of that Article for all persons engaged in work on that job at the relevant site; in this case, the provisions of that paragraph do not apply to the principal employer and employers other than the principal employer.

The provisions of paragraph (2) of the Article 30 apply mutatis mutandis to the original orderer of a job prescribed in paragraph (1) of Article 25-2. In such a case, the phrases "the specified principal employer", "a job involved in a specified undertaking", "the measures provided for in the preceding paragraph", and "all of the jobs involved in a specified undertaking", each in paragraph (2) of the Article 30, are deemed to be replaced with "the principal employer", "a job", "the measures provided for in each item of paragraph (1) of Article 25-2", and "all of the jobs", respectively.

If a designation under the provisions of paragraph (2) of Article 30 as applied mutatis mutandis pursuant to the preceding paragraph is not made, the Chief of the Labour Standard Inspection Offices makes the designation referred to in that paragraph.

When a designation under the provisions of paragraph (2) of Article 30 as applied mutatis mutandis pursuant to paragraph (2) or under the preceding paragraph is made, the designated employer must take the measures set forth in the items of paragraph (1) of Article 25-2 for all persons engaged in work on the jobs at that site; in such a case, the provisions of that paragraph do not apply to the designated employer and employers other than the designated employer.

The provisions of paragraph (2) of Article 25-2 apply mutatis mutandis to the principal employer prescribed by paragraph (1) and to the designated employer referred to in the preceding paragraph. In such a case, the provisions of paragraph (2) of that Article do not apply to the principal employer and the designated employer, and employers other than those employers.

An employer that directly carries out a job and that manages the place where that job is carried out (hereinafter referred to as a "work site managing employer" in this paragraph and paragraphs (4) and (8) of Article 32), in a case where persons engaged in work who are its workers (including, where there are persons engaged in work other than workers who are involved with that work site managing employer in addition to the persons engaged in work who are its workers, those persons) and persons engaged in work who are involved with its contractors (including, if the job is carried out based on multiple levels of contracts, the contractors that are parties to all contracts for work subsequent to the contract for work of that contractor) carry out work at a single site that it manages, and any of those persons engaged in work carries out work involved in operations specified by Order of the Ministry of Health, Labour and Welfare in consideration of things such as the potential for danger or harm, must take measures concerning liaising and coordinating between related work and other necessary measures in order to prevent industrial injuries arising from that work being carried out.

The provisions of the preceding paragraph do not apply if only a single job is carried out at the relevant site and the measures prescribed in paragraph (1) of Article 30 or paragraph (1) of Article 30-2 are to be taken with regard to all of the persons engaged in work involved in that job.

An orderer that directly carries out a job involved in a specified undertaking must, when having 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 the contractor of this orderer (including the parties to all contracts for work subsequent to the one with that contractor, if the job is carried out based on multiple levels of contracts) use a construction, equipment, or raw material (hereinafter referred to as the "construction, equipment, or raw material") at the site where it carries out that job, take the necessary measures in respect of the relevant construction, equipment, or raw material to prevent industrial injuries.

If there are two or more orderers required to take the measures under the preceding paragraph in respect of the same construction, equipment, or raw material, owing to the jobs involved in the relevant undertaking being carried out based on multiple levels of contracts, the provisions of the preceding paragraph do not apply to the orderers of the subsequent contracts.

The orderer of work a job involving for works specified by Order of the Ministry of Health, Labour and Welfare, such as the alteration of equipment that is used to facilities for the manufactureing or handle aing of substance such as chemical substances, or a preparations containing a chemicals substance, or any other material, and that is specified by Cabinet Order, or of a job involving any other work as specified by Ordinance of Ministry of Health, Labour and Welfare, must take the necessary measures, concerning in respect of that substance, or materialsubstances to prevent workers of contractors of the work froman industrial accident among the workers of contractors involved in the relevant jobs.