33. Every professional employer who does not keep the compulsory registration system, register or pay-list, every employer or employee who refuses or neglects to furnish the representatives of a committee with the information contemplated in subparagraph e of section 22, in the manner therein prescribed, or does not grant them on request, or delays to grant them, access to the place where the work is being done, to the register, to the system of registration or to pay-list or other documents, as provided in said paragraph, or molests or hinders or insults the said representatives in the performance of their duties, or otherwise obstructs such performance,—commits an offence and shall be liable, in addition to the costs, to a fine of twenty-five to fifty dollars; in the case of a subsequent offence within two years he shall be liable, in addition to the costs, to a fine of fifty to one hundred dollars.