Sec. 10.21  Collection of delinquent taxes.
   All taxes and charges, together with fees, penalties, and interest upon real property on the tax roll, remaining uncollected by the treasurer on the first day of March following the date when the roll has received by him shall be returned to the county treasurer, to the extent and in the same manner and with like effect as provided by law for return by township treasurers of township and county taxes. Such returns shall include all the additional assessments, charges, fees, penalties, and interest hereinbefore provided, which shall be added to take amount assessed in said tax roll against each property or person. The taxes, assessments, and charges thus returned shall be collected in the same manner as other taxes returned to the county treasurer are collected in accordance with law, and shall be and remain a lien upon the property against which they are assessed until paid.