Evanston, Ill., City Code § 5 § 5-3-6-1

(A) 1. If there is a material noncompliance by the tenant with the rental agreement or with Subsections 5-3-4-1 (A) through (F g) [(G)], the housing provider may deliver written notice to the tenant specifying the acts and omissions constituting the breach and that the rental agreement will terminate upon a date not less than thirty (30) days after receipt of the notice, unless the breach is remedied by the tenant prior to the expiration of the notice. If the breach is not remedied prior to the expiration of the notice, the rental agreement shall terminate as provided in the notice.
2. If there is a material noncompliance by the tenant with any of the provisions of Subsections 5-3-4-1 (A) through (G) after expiration of the housing provider's written notice to tenant to remedy the acts and omissions specified in the notice delivered pursuant to Subsection (A)1. of this Section, throughout the remainder of the term of the rental agreement, the housing provider may deliver written notice to the tenant that the rental agreement shall terminate not less than thirty (30) days after delivery of the written notice to terminate.
3. If there is noncompliance by the tenant with Subsection 5-3-4-1 (H), the housing provider may deliver written notice to the tenant specifying the acts constituting the breach and that the rental agreement will terminate upon a date not less than thirty (30) days after receipt of the notice.
(B) If the rent is unpaid when due, the housing provider may deliver to the tenant a written notice of the housing provider's intention to terminate the rental agreement. The housing provider shall serve the written notice in compliance with state law;. if the tenant does not materially comply with the written notice within ten (10) days of receipt, the housing provider may terminate the rental agreement. Nothing in this Subsection shall affect a housing provider's obligation to provide notice of termination of tenancy in subsidized housing as required under federal law or regulations. A housing provider may also opt to maintain an action for rent and/or damages pursuant to state law without terminating the rental agreement.
(C) One-Time Tenant Right To Pay And Stay. At any time prior to the issuance of any order of possession or eviction order made pursuant to Article IX of the Illinois Code of Civil Procedure. 735 ILCS 5/9-101 et seq. the tenant has a one-time right to cure the non-payment of rent by paying the housing provider unpaid rent, duly owed from the date of non-payment to the date of payment, together with all filing fees and costs paid by the housing provider and all fees and costs expended by the housing provider for service of process, but not including attorney fees. If the tenant so pays prior to the issuance of any order of possession or eviction order, the Court shall dismiss the case. If the housing provider refuses to provide a total amount due, the tenant may cure by making a good faith payment of the amount that the tenant believes in good faith to be due.
(D) Except as provided herein, the housing provider may recover damages and/or obtain injunctive relief for any noncompliance by the tenant with the rental agreement or with Section 5-3-4-1 . If the tenant's noncompliance is willful, the housing provider may recover reasonable attorney fees.