You want to know where to find the IL-8633 form so Avalara can file your Illinois return.
- Illinois requires Avalara customers to complete the IL-8633 form.
- Please complete document and send into your Implementation Consultant or Submit a case to Support.
To submit a case to our Support team, please fill out this online form: https://help.avalara.com/Directory/Contact_Avalara/Submit_a_Case
- Once the IL-8633 is received, then we can file your Illinois return
- Note - if a return is filed without the completion of this document, Illinois will assess a penalty fee to the customer
You may also find this document when completing the Illinois filing calendar in the Avatax user interface