Ill. Admin. Code tit. 29, § 120.50
d) For all eligible expenditures, IEMA-OHS will pay grantees by the advance payment method, reimbursement method, or working capital advance method may either reimburse a grantee for eligible expenditures or advance funds to a grantee for eligible expenditures, but only upon the grantee's submission of an accepted bid, invoice, or other official document showing the exact cost of the expenditure. For the reimbursement method, the grantee shall provide documentation (i.e., receipt) that the exact cost of the expenditure was paid to the vendor. Grantees shall submit all bids, invoices, or other official documents showing the exact cost of an expenditure in the format and method prescribed in the grant agreement or as otherwise directed by IEMA-OHS. Invoices must include only allowable incurred costs that have been paid by the grantee.
1) Advance Payment Method. For the advance payment method, the grantee shall submit a request as indicated in the NOFO and include the information in subsection (d)(1)(A). Approval and administration of advance payments shall be governed by subsections (d)(1)(B) through (G).
2) Reimbursement Method. Grantees will be paid via the reimbursement method or when they do not meet the requirements of subsection (d)(1), upon a grantee's request to use the reimbursement method of payment, or as stipulated in a specific condition. Grantees that have specific conditions noted in their grant agreement for any of the following items shall be paid using the reimbursement method:
AGENCY NOTE: Nothing in these rules shall exempt a grantee from complying with applicable procurement requirements.