(1) Where a labor inspector referred to in Article 101 of the Labor Standards Act (hereinafter referred to as "labor inspector") deems it necessary to enforce this Act or any order issued under this Act, he or she may visit the following places to question a business owner, employer, or person in charge of safety and health management (hereinafter referred to as "relevant person"); inspect account books, documents, and other items; conduct a safety and health inspection; and request submission of relevant documents:
1. The place of business;
2. The office of an institution referred to in Article 21(1), 33(1), 48(1), 74(1), 88(1), 96(1), 100(1), 120(1), 126(1), or 129(2);
3. Offices of an asbestos dismantler or remover;
4. Offices of an instructor registered pursuant to Article 145(1).
(2) A labor inspector may inspect machinery, equipment, etc., and collect products, raw materials, or devices without compensation up to the extent necessary for inspection. In such cases, the labor inspector shall notify the relevant business owner, etc. of the results thereof in writing.
(3) To enforce this Act or any order issued under this Act, a labor inspector may order any relevant person to submit a report or to be present to state his or her opinions.
(4) Where a labor inspector visits any place prescribed in the subparagraphs of paragraph (1) to enforce this Act or any order issued under this Act, he or she shall carry a certificate indicating his or her authority and present it to relevant persons, and shall also provide a document stating his or her name, the time and purpose of visit, etc. to relevant persons at the time of his or her visit.