You have an Illinois Manufacturer's Purchase Credit that you would like filed on your IL sales tax form.
- As of December 31, 2016, MPC amounts cannot be claimed on the ST-1 form.
- Please view this information on the IL state website.
- Avalara will not be filing these credits on your IL returns going forward.
- If you have any left over credits yet to be claimed, please contact the Illinois Department of Revenue.