Ill. Admin. Code tit. 35, § 261.620
a) In the event of any violation of this Part or noncompliance with any provision of the grant agreement, the Agency may, by written notice and order, require the grant recipient to suspend all or any part of the project scope of work for a period of not more than 30 calendar days after the date of the order, and for any further period to which the parties may agree. Any such order shall include a list of the project activities to which it applies. Upon receipt of a project suspension order, the grant recipient shall immediately comply with its terms and shall minimize the incurrence of costs allocable to the work covered by the order during the period of suspension. Within 30 days after the date of the project suspension order, or within the period of any extension to which the parties have agreed, the Agency may: