(5 ILCS 100/5-20)
(from Ch. 127, par. 1005-20)
Implementing discretionary powers.
Each rule that implements a
discretionary power to be exercised by an agency shall include the
standards by which the agency shall exercise the power. The standards
shall be stated as precisely and clearly as practicable under the
conditions to inform fully those persons affected.
(Source: P.A. 87-823.)