30 ILCS 105/2
Current through Public Act 103-593
Whenever the constitution or any statute, in term or effect, requires a report or account to be made or rendered by any officer, department, institution, board or commission for a year, such report or account, so far as it relates to receipts and disbursements of money, shall be for the preceding fiscal year, unless the calendar year be expressly mentioned.
30 ILCS 105/2