Ill. Admin. Code tit. 35, § 661.701
b) Allowable project costs.
Allocable project costs of the grantee which are reasonable and necessary are allowable. Necessary costs may include, but are not limited to:
c) Unallowable costs
Costs which exceed the total amount of the grant offer or which are not necessary for the completion of the work authorized by the grant agreement are unallowable. Such costs include, but are not limited to:
d) Design allowance
The grant shall provide for a design allowance determined in accordance with Appendix C. The grantee shall not otherwise be reimbursed for costs incurred for project design.
e) Disputes concerning costs
The grantee shall seek to resolve questions relating to costs in accordance with Section 661.306.
f) Limitation upon project costs incurred prior to grant award
1) Advance acquisition of equipment items requiring long lead times, or advance construction of portions of the project, in emergencies or instances where delay could result in significant cost increases, shall not be approved by the Agency unless the grantee:
A) Submits a written request for approval that demonstrates:
Payment will not be authorized for costs incurred prior to the date of the grant except as in accordance with the following: