Ill. Admin. Code tit. 59, § 299.1040
b) Monthly liability established against a service recipient ordered to conditional release is determined by calculating the actual cost of services provided during that month. The phrase "actual cost" includes both the administrative costs associated with maintaining the service recipient on the conditional release program and the total cost of supporting the person in the community, which includes, but is not limited to:
The liability of recipients and the estates of recipients for services shall be computed in the following manner:
(Source: Added at 44 Ill. Reg. 8246, effective April 28, 2020)