20 ILCS 3805/7.24e

(a) Not later than January 1, 1986, the Authority shall establish rules and regulations governing minimum energy efficiency standards in developments financed by the Authority and such other standards as may be deemed necessary by the Authority to assess, evaluate and compare the energy efficiency of current and proposed developments.

(b) After July 1, 1986, no commitment for assisted mortgage financing shall be made by the Authority for any new development unless the Authority certifies compliance with the minimum energy efficiency standards specified in its rules and regulations.