7.3. The Commission may, in the exercise of its powers under section 7.1, request any person who carries out construction work or causes construction work to be carried out to prove to the Commission that he is the holder of the appropriate licence issued under the Building Act (chapter B-1.1) and, where applicable, of the appropriate competency certificate or proof of exemption issued under this Act and that any person whose services he hires to carry out construction work or whom he assigns to construction work is the holder of such a competency certificate or proof of exemption or, where applicable, of such a licence.
The Commission shall make its request in writing and fix a time limit for compliance.