Service of any process or pleading in any action against a person who has filed under this Act a consent to service of process upon the Secretary of State shall, if made on the Secretary of State, be by duplicate copies, one of which shall be filed in the office of the Secretary of State and the other immediately forwarded by the Secretary of State by registered mail or certified mail, return receipt requested, to the person at his or her latest address on file in the office of the Secretary of State. The filing fee for service of process under this subsection A shall be as established pursuant to Section 11a of this Act, and shall not be returnable in any event.
815 ILCS 5/10