Section 815 ILCS 602/5-145 - Service of process(a) The offer or sale of business opportunities in this State by any person, unless exempt from registration under this Act, shall constitute an appointment of the Secretary of State, or his or her successors in office, by the person to be the true and lawful attorney for the person upon whom may be served all lawful process in any action or proceeding against the person, arising out of the offer or sale of the securities.(b) Service of process under this Section shall be made by serving a copy upon the Secretary of State or any employee in his or her office designated by the Secretary of State to accept such service for him or her, provided notice and a copy of the process are, within 10 days after receiving the notice and process, sent by registered mail or certified mail, return receipt requested, by the plaintiff to the defendant, at the last known address of the defendant. The filing fee for service of process under this Section shall be as established pursuant to Section 5-30 of this Act, and shall not be returnable in any event. The Secretary of State shall keep a record of all processes each of which shall show the day of the service. P.A. 92-308, eff. 1/1/2002.