Every employer or owner shall furnish to the Department of Labor or the board of appeals any information which the Department of Labor or the board of appeals is authorized to require, and shall make true and specific answers to all reasonable questions, whether submitted orally or in writing, authorized to be put to him. The Secretary of Labor and any authorized representative of the Department of Labor shall, for the purpose of examination, have access to and the right to copy from any book, account, record, payroll, paper, or documents relating to the employment of workers in such manner as may be reasonable and at reasonable times. Information secured under the provisions of this section shall not be published or be open to public inspection in any manner revealing the employer’s or owner’s identity; and any officer, member, or employee of the Department of Labor or the board of appeals guilty of violating this provision shall be subject to the penalties provided in this chapter.