(35 ILCS 200/26-10)
Sec. 26-10. Informality in assessments or lists. An assessment of property or charge for taxes thereon, shall not be considered illegal on account of any informality in making the assessment, or in the tax lists, or on account of the assessments not being made or completed within the time required by law.
(Source: P.A. 83-121; 88-455.)