Investigations shall commence upon the opening of an investigation file in accordance with Section 1620.330. Investigations shall be conducted in accordance with Section 20-20 of the Act [ 5 ILCS 430/20-20] .
Ill. Admin. Code tit. 2, § 1620.350
Investigations shall commence upon the opening of an investigation file in accordance with Section 1620.330. Investigations shall be conducted in accordance with Section 20-20 of the Act [ 5 ILCS 430/20-20] .
Ill. Admin. Code tit. 2, § 1620.350