Section 8.11  Taxes Due; Notification. 
City taxes shall be due and payable on the first day of July of each year. The Treasurer shall not be required to call upon the persons named in the tax roll, nor to make personal demand for the payment of taxes, but he shall publish notice of the time when said taxes will be due for collection and of the penalties and fees for the late payment thereof and mail a tax bill to the last known owner of record. In cases of multiple ownership of property only one (1) bill need be mailed. Failure on the part of the Treasurer to publish said notice or mail such bill shall not invalidate the taxes on said tax roll nor release the person or property assessed from the penalties and fees provided in case of late payment or nonpayment of the same.