Ill. Admin. Code tit. 77, § 950.250
a) Except as otherwise provided in this Part, project funds shall only be used for the direct cost of administering, operating, and maintaining a project. Project grant funds cannot be used for institutional overhead costs, indirect costs, other organizational levies, or costs of community-based support services. The following direct costs are examples of those that may be incurred when specified in the grant agreement:
b) Payments to the grantee shall be made on a reimbursement basis.
2) The grantee shall document actual expenditures incurred for the purchase of goods and services necessary for conducting program activities.
B) Each item claimed on the reimbursement certification form must be based on an expenditure traceable through the grantee's internal accounting system and shall include at least the following items: