Ill. Admin. Code tit. 92, § 3000.1300
b) A notice of probable violation issued under this section includes:
c) The Department may amend a notice of probable violation issued under this section at any time before the entry of a final compliance order. If an amendment includes any new material allegation of fact or seeks new or additional remedial action, the respondent is given an opportunity to respond. (Filed 11-28-79, effective 12-10-79)
(Recodified from 92 Ill. Adm. Code 107 (Department of Transportation) pursuant to P.A. 104-0025, at 49 Ill. Reg. 12509)