In addition to the uses otherwise authorized by this Law, any school district with a population exceeding 500,000 is authorized to use any or all of the school construction project grants (i) to pay debt service, as defined in the Local Government Debt Reform Act, on bonds, as defined in the Local Government Debt Reform Act, issued to finance one or more school construction projects and (ii) to the extent that any such bond is a lease or other installment or financing contract between the school district and a public building commission that has issued bonds to finance one or more qualifying school construction projects, to make lease payments under the lease.
105 ILCS 230/5-35