Illinois Statutes Chapter 625. Vehicles § 5/6-523. Reciprocity

(a) Notwithstanding any law to the contrary, a person may drive a commercial motor vehicle in this State if the person has a valid CDL, non-domiciled CDL, CLP, or non-domiciled CLP issued by another State or foreign jurisdiction as long as that person has not been an established domiciliary of this State for 30 days or more.

(b) The Secretary of State shall give out of state convictions full faith and credit and treat them for sanctioning purposes, under this UCDLA, just as if they occurred in this State.

(c) A CLP or CDL issued by this State or any other state before the date on and after which the state is prohibited from issuing CLPs or CDLs under 49 C.F.R. Part 384, remains valid until its stated expiration date.