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 any reward, pecuniary or otherwise, for services rendered in connection with the circulation thereof, but this shall not prevent the committee from paying for legal advice and from incurring an expense not to exceed such sums as may be provided by ordinance for stationery, copying, printing and notary’s fees. Any violation of this Section is a misdemeanor.