Illinois Order For Voucher Compliance is a program created by the State of Illinois that requires the submission of vouchers for payment of services rendered or expenses incurred. Vouchers must be submitted to the Comptroller’s Office for processing and approval before payment is issued. The program is designed to ensure accuracy and compliance with all applicable state and federal laws, regulations, and guidelines. There are three types of Illinois Order For Voucher Compliance: 1. Regular Voucher: This is a request for payment of services rendered or expenses incurred. It is usually submitted by the vendor or payee. 2. Request for Advancement: This is a request for an advance payment, such as for travel expenses or a large purchase. It must be approved by the Comptroller’s Office in order for the advance to be issued. 3. Interim Voucher: This is a request for payment of services rendered or expenses incurred that will be paid in multiple installments. It must be approved by the Comptroller’s Office in order for the installment payments to be issued.