45. It is forbidden to hinder an inspector or investigator of the Board in any way in the performance of his duties, to mislead or try to mislead him by concealment or by misrepresentation, to refuse to tell him one’s surname, given names and address or neglect to obey any order he may give under the law, the regulations or the orders of the Board.
Such inspector or investigator, if so required, shall produce a certificate, signed by the president of the Board, attesting his authority.