92 Ill. Adm. Code 800.380
Payments
Section 800
Section 800.380 Payments
The Department will make
payments, only for materials purchased or work completed, within ninety days of
the receipt by the Department of itemized invoices showing a balance due to the
recipient. The Department will make payment provided that the invoices are
appropriately supported by supplemental information which shows an itemization
of labor performed, materials procured and installed, and special equipment
employed.