(30 ILCS 500/20-43)
    Sec. 20-43. Bidder or offeror authorized to transact business or conduct affairs in Illinois. In addition to meeting any other requirement of law or rule, a person (other than an individual acting as a sole proprietor) may qualify as a bidder or offeror under this Code only if the person is a legal entity prior to submitting the bid, offer, or proposal. The legal entity must be authorized to transact business or conduct affairs in Illinois prior to execution of the contract. This Section shall not apply to construction contracts that are subject to the requirements of Sections 30-20 and 33-10 of this Code. The pre-qualification requirements of Sections 30-20 and 33-10 of this Code shall include the requirement that the bidder be registered with the Secretary of State.
(Source: P.A. 100-43, eff. 8-9-17.)