In carrying out the purposes of this Division, and pursuant to Sections 8-12-14 through 8-12-24, as hereinafter provided, the Authority shall have the power to approve or to reject the Financial Plans, Budgets and contracts which are inconsistent with the Financial Plan and Budget of the financially distressed city; provided, however, that the Authority shall have no authority to impair any existing contract or obligation of the city; and provided further, that with respect to any multi-year employment contract or collective bargaining agreement authorized or entered into by the city in accordance with applicable statutes and ordinances, the Authority's power to approve or reject the same shall be limited to the first year of such contract or agreement as provided in Section 8-12-17.
65 ILCS 5/8-12-13