The expenditure of funds from an unknown or unidentifiable source received by a candidate or committee is prohibited. Such funds received by a candidate or committee shall escheat to the state. Any candidate or committee receiving such contributions shall remit such contributions to the board which shall forward it to the treasurer of state for deposit in the general fund of the state. Persons requested to make a contribution at a fundraising event shall be advised that it is illegal to make a contribution in excess of twenty-five dollars unless the person making the contribution also provides the person’s name and address.