The provisions of paragraph (1) of Article 6-2 apply mutatis mutandis to the person representing a majority of the workers provided in paragraphs (2) and (3) of the preceding Article; the provisions of paragraphs (3) and (4) of Article 6-2 apply mutatis mutandis to the employer referred to in paragraphs (2) and (3) of the preceding Article; the provisions of Article 12 and paragraph (1) of Article 12-2 apply mutatis mutandis to a provision made under paragraphs (2) and (3) of the preceding Article; the provisions of paragraph (1) of Article 12-2-2 apply mutatis mutandis to the agreement referred to in paragraph (2) of the preceding Article; and the provisions of Article 12-6 apply mutatis mutandis to the employer referred to in paragraph (2) of the preceding Article.
An employer shall submit the agreement referred to in paragraph (2) of the preceding Article according to Form No. 3-2 to the Director of the Labor Standards Office Concerned.
使用者は、様式第三号の二により、前条第二項の協定を所轄労働基準監督署長に届け出るものとする。
略称規定第六条第一項
法第十八条第二項の規定による届出は、様式第一号により、当該事業場の所在地を管轄する労働基準監督署長（以下「所轄労働基準監督署長」という。）にしなければならない。
わかりやすく言うと
その事業場の所在地を担当する労働基準監督署の署長のことです。