Ill. Admin. Code tit. 47, § 310.805
In addition to the increase to the alternate basic rate of return established pursuant to Sections 310.802 and 310.803, the Authority, through its Director or, in his or her absence, the Deputy Director may establish additional incentives in the form of additional return on equity in excess of the alternate basic rate of return if the criteria specified in subsections (a), (b) and (c) are met and if it is determined that the alternate basic rate of return is necessary. The additional return will be limited to one additional percentage point of return on Owner's Equity to be paid for each of the following factors:
(Source: Amended at 31 Ill. Reg. 4392, effective February 28, 2007)