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.
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