66. (1) As regards the summoning and examining of the parties and witnesses, the examining and filing of exhibits and documents, as well as the maintenance of order during a hearing, the Commission and the persons appointed for the purpose by the Commission, conducting an investigation under this act or an examination under section 91, shall have the same powers as the Superior Court.
(2) Every person who, without valid reason, obstructs an investigation or examination, or refuses or neglects to submit to a lawful order of the Commission or of the person holding such investigation or examination, shall be guilty of an offence and be liable, for each offence, in addition to costs, to a fine not exceeding five hundred dollars. Such fine may be repeatedly imposed until the order or injunction of the Commission or of the person holding the investigation has been obeyed.