You will need to complete an Illinois Non-Resident tax return to report this income.
You have reported this income on your federal tax return.
Go to state
Add a state
Select Illinois
The program will then ask a series of questions to complete this return
You will apportion only the income reported on your K-1 form to this tax return.
Make sure you review all the pages of your K-1 form because there are often state adjustments
For more information, follow this link: Illinois Filing Instructions