Occupational Safety and Health Act Article 51

(Ⅰ)Where a self-employed worker operates independently or contracts out his or her operations, Articles 5 through 7, Article 9, Article 10, Article 14, Article 16, Article 24, Article 26, Article 27, and Article 28, and the penalty provisions thereof, shall apply.(Ⅱ)People engaged in work directed or supervised by the responsible people in workplaces as described in subparagraph 1 of Article 2, when performing labor work at business entities’ workplaces, are equally subject to the Act as if they were laborers employed by said entities. Notwithstanding, the provisions regarding physical examinations and health examinations for currently employed workers as set forth in Article 20 shall not be subject to this restriction.
中文原文 職業安全衛生法第51條
自營作業者獨立作業或以其作業交付承攬時,適用第五條至第七條、第九條、第十條、第十四條、第十六條、第二十四條、第二十六條、第二十七條、第二十八條及其罰則規定。
第二條第一款所定受工作場所負責人指揮或監督從事勞動之人員,於事業單位工作場所從事勞動,比照該事業單位之勞工,適用本法之規定。
但第二十條之體格檢查及在職勞工健康檢查之規定,不在此限。

English translation for reference only; the Chinese text prevails. Not legal advice.