No member of any initiative, referendum or recall committee, no circulator of a signature paper, and no signer of any such paper, or any other person shall accept or offer reward, pecuniary or otherwise for service rendered in connection with the circulation thereof, but this shall not prevent the committee from incurring an expense not to exceed one hundred dollars for legal advice, stationery, copying, printing and notaries' fees. Any violation of the provisions of this section shall constitute a misdemeanor.