Constitution of the State of Illinois Art. IX, § 8. Tax Sales

(a) Real property shall not be sold for the nonpayment of taxes or special assessments without judicial proceedings.

(b) The right of redemption from all sales of real estate for the nonpayment of taxes or special assessments, except as provided in subsections (c) and (d), shall exist in favor of owners and persons interested in such real estate for not less than 2 years following such sales.

(c) The right of redemption from the sale for nonpayment of taxes or special assessments of a parcel of real estate which: (1) is vacant non-farm real estate or (2) contains an improvement consisting of a structure or structures each of which contains 7 or more residential units or (3) is commercial or industrial property; shall exist in favor of owners and persons interested in such real estate for not less than one year following such sales.

(d) The right of redemption from the sale for nonpayment of taxes or special assessments of a parcel real estate which: (1) is vacant non-farm real estate or (2) contains an improvement consisting of a structure or structures each of which contains 7 or more residential units or (3) is commercial or industrial property; and upon which all or a part of the general taxes for each of 2 or more years are delinquent shall exist in favor of owners and persons interested in such real estate for not less than 6 months following such sales.

(e) Owners, occupants and parties interested shall be given reasonable notice of the sale and the date of expiration of the period of redemption as the General Assembly provides by law.