7.1. The Commission, or any person it authorizes for that purpose, may
(1) enter, at any reasonable time, any place where construction work is carried on or an employer’s establishment;
(2) require any information relating to the application of this Act or the regulations and the production of any relevant document for examination or reproduction.
Every person authorized to exercise the powers provided in the first paragraph shall, on request, identify himself and show the certificate of his capacity issued by the Commission.