Ill. Admin. Code tit. 92, § 3040.21
AGENCY NOTE: See 49 CFR 173.6 that is incorporated by reference at Section 173.3000 pertaining to Materials of Trade Exemption.
(Recodified from 92 Ill. Adm. Code 171 (Department of Transportation) pursuant to P.A. 104-0025, at 49 Ill. Reg. 12517)