805 ILCS 105/105.25
2021 Illinois Compiled Statutes|Chapter 805 - BUSINESS ORGANIZATIONS|805 ILCS 105/ - General Not For Profit Corporation Act of 1986.|Article 5 - Office And Agent

 (from Ch. 32, par. 105.25)Sec. 105.25. Service of process on domestic or foreign  corporation.(a) Any process, notice, or demand required  or permitted by law to be served upon a domestic corporation  or a foreign corporation having authority  to conduct affairs in this State may be served either upon  the registered agent appointed by the corporation or upon  the Secretary of State as provided in this Section.(b) The Secretary of State shall be irrevocably appointed  as an agent of a domestic corporation or of a foreign  corporation having authority upon whom any  process, notice or demand may be served:(1) Whenever the corporation shall fail to appoint or     maintain a registered agent in this State; or(2) Whenever the corporation's registered agent     cannot with reasonable diligence be found at the registered office in this State; or(3) When a domestic corporation has been dissolved,     the conditions of paragraph (1) or paragraph (2) exist, and an action, suit or proceeding is instituted against or affecting the corporation within the two years after the dissolution or the filing of a judgment of dissolution; or(3.5) When a domestic corporation has been dissolved,     the conditions of paragraph (1) or (2) exist, and a criminal proceeding has been instituted against or affecting the corporation; or(4) When the authority of a foreign corporation to     transact business has been revoked or withdrawn.(c) Service under subsection (b) shall be made by:(1) Service on the Secretary of State, or on any     clerk having charge of the corporation division at his or her office, of a copy of the process, notice or demand, together with any papers required by law to be delivered in connection with service, and a fee as prescribed by subsection (b) of Section 115.15 of this Act;(2) Transmittal by the person instituting the action,     suit or proceeding of notice of the service on the Secretary of State and a copy of the process, notice or demand and accompanying papers to the corporation being served, by registered or certified mail:(i) At the last registered office of the         corporation as shown by the records on file in the office of the Secretary of State; or(ii) At such address the use of which the person         instituting the action, suit or proceeding knows or, on the basis of reasonable inquiry, has reason to believe is most likely to result in actual notice; and(3) Appendage by the person instituting the action,     suit or proceeding of an affidavit of compliance with this Section in substantially such form as the Secretary of State may by rule or regulation prescribe, to the process, notice or demand.(d) Nothing herein contained shall limit or affect the  right to serve any process, notice, or demand required or  permitted by law to be served upon a corporation in any  other manner now or hereafter permitted by law.(e) The Secretary of State shall keep a record of all  processes, notices, and demands served upon him or her under  this Section, and shall record therein the time of such  service and his or her action with reference thereto but  shall not be required to retain such information for a  period longer than five years from his or her receipt of the  service.  (Source: P.A. 98-171, eff. 8-5-13.)