Taxes collected by the operator which are not remitted to the City of Paris recorder on or before the due dates are delinquent. An operator shall be liable for interest on such delinquent taxes from the due date at the rate of twelve percent (12%) per annum, and in addition, for the penalty of one percent (1%) for each month or fraction thereof such taxes are delinquent. Such interest shall become a part of the tax. Each occurrence of willful refusal of an operator to collect or remit the tax or willful refusal of a transient to pay the tax imposed is declared to be unlawful and shall be punishable upon conviction by a fine not in excess of fifty dollars ($50.00).