Illinois Statutes Chapter 35. Revenue § 750/1-20. Tax lien perfected

(a) When a notice of tax lien is filed by the Department in the registry, the tax lien is perfected and shall be attached to all of the existing and after-acquired: (1) personal property of the debtor, both tangible and intangible, which is located in any and all counties within the State of Illinois; and (2) real property of the debtor located in the county or counties as specified in the notice of tax lien.

(b) The amount of the tax lien shall be a debt due the State of Illinois and shall remain a lien upon all property and rights to: (1) personal property belonging to the debtor, both tangible and intangible, which is located in any and all counties within the State of Illinois; and (2) real property of the debtor located in the county or counties as specified in the notice of tax lien. Interest and penalty shall accrue on the tax lien at the same rate and with the same restrictions, if any, as specified by statute for the accrual of interest and penalty for the type of tax or taxes for which the tax lien was issued.