30 ILCS 105/20
The item "equipment," when used in an appropriation act, shall mean and include all expenditures for library books, and expenditures, having a unit value exceeding $100, for the acquisition, replacement or increase of visible tangible personal property of a non-consumable nature, including livestock, whether by purchase, lease-purchase or installment purchase contract. In addition, the "option price" under a bona fide lease with option to purchase is properly payable from the item "equipment".
The item "equipment" does not include expenditures pursuant to multi-year lease, lease-purchase or installment purchase contracts for duplicating equipment authorized by Section 5.1 of "The Illinois Purchasing Act", approved July 11, 1957, as now or hereafter amended, and does not include any expenditure in connection with the repair, maintenance or improvement of real property.
30 ILCS 105/20