Reg-1 Form Illinois - For businesses without a mytax illinois logon: Identify your business or organization check the organization type that applies to you:1. Report to determine liability under the unemployment insurance act (for additional information or forms related to. Register faster using mytax illinois, our online account management.
Report to determine liability under the unemployment insurance act (for additional information or forms related to. Identify your business or organization check the organization type that applies to you:1. Register faster using mytax illinois, our online account management. For businesses without a mytax illinois logon: