Pursuant to Order of the Ministry of Health, Labour and Welfare, an employer that has appointed a general safety and health supervisor pursuant to the provisions of paragraph (1) or (3) of the preceding Article and that has a business undertaking categorized as the construction industry or in any other industry specified by Cabinet Order must appoint a principal safety and health manager from among persons holding the qualifications specified by Order of the Ministry of Health, Labour and Welfare, and have that person manage the technical issues that are among the things set forth in the items of paragraph (1) of Article 30.
The provisions of paragraph (2) of Article 11 apply mutatis mutandis to the principal safety and health manager. In such a case, the term "the employer" in that paragraph is deemed to be replaced with "the employer that has appointed the principal safety and health manager".
Read this with the articles around it