105 ILCS 5/2-3.27
To formulate and approve forms, procedure and regulations for school district accounts and budgets required by this Act reflecting the gross amount of income and expenses, receipts and disbursements and extending a net surplus or deficit on operating items, to advise and assist the officers of any district in respect to budgets and accounting practices and in the formulation and use of such books, records and accounts or other forms as may be required to comply with the provisions of this Act; to publish and keep current pamphlets or manuals in looseleaf form relating to budgetary and accounting procedure or similar topics; to make all rules and regulations as may be necessary to carry into effect the provisions of this Act relating to budgetary procedure and accounting, such rules and regulations to include but not to be limited to the establishment of a decimal classification of accounts; to confer with various district, county and State officials or take such other action as may be reasonably required to carry out the provisions of this Act relating to budgets and accounting.
105 ILCS 5/2-3.27