A person conducting or transacting business under an assumed name at his or her personal residence may list the county clerk, along with the address of the county clerk, of the county of his or her personal residence as the default agent for service of process to meet the publication requirements of this Act if all of the following conditions are met:
The county clerk has a duty to notify the business when the county clerk has been served with process on behalf of the business. The county clerk may charge a nominal fee for performing this service. The county clerk shall provide a check box on its form for a confidential address request and room for the explanation for the request.
805 ILCS 405/1a