Ill. Admin. Code tit. 59, § 299.1050
a) If an examination or re-examination reveals unusual and/or exceptional circumstances indicating that the recipient's income and assets, as reported on schedules B and C of the Financial Questionnaire, are not an adequate measure to determine ability to pay services charges, allowances for the following unusual and/or exceptional circumstances shall be made in the application of the schedule of charges:
(Source: Added at 44 Ill. Reg. 8246, effective April 28, 2020)