For failure to pay a license tax when due, the finance officer shall add a penalty of ten percent of said license tax to delinquent licenses on the first day of the succeeding month after the due date thereof, and an additional penalty of twenty-five percent shall be added thereto on the first day of each succeeding month thereafter; provided, that the amount of such penalties shall not exceed fifty percent of the license tax due. (Ord. 2017-02 § 8, 2017; Ord. 77-11 § 22, 1977)