Illinois State Help
The following information has been provided to assist in the preparation of Illinois state tax returns.
Part-year resident. You are a part-year resident if you were an Illinois resident for less than 12 months
during the tax year. As a part-year resident, you must file Form IL-1040 and Schedule NR if you:
- earned or received income from any source while you were an Illinois resident,
- earned or received income from Illinois sources while you were not an IL resident,
- are entitled to receive a refund of IL income tax.
The following worksheets are available on the IL forms and schedules:
- Earned Income Credit
- Education Expense (use if you received a receipt, otherwise file Schedule ED)
- Homeowner's Property Tax
- Farm Income Apportionment Formula
- Rental Income Apportionment Formula
- Business Income Apportionment Formula
- Wage and Salary Allocation
This subtraction is calculated by making an entry of 'M' on Federal Form W-2,
'State Use Wage Type' field. This field is located next to Box 17, State Tax
Withheld.
Complete this schedule if you are required to report additions to income on
Form IL-1040, Line 3, or entitled to take subtractions on Form IL-1040, Line 7.
Complete and attach to Form IL-1040 only if you did not receive a receipt
from the school, or are filing your
Complete this schedule if you were a resident or part-year resident of IL and paid income tax to another state and the income was included in IL base income upon which IL income tax was also paid.
Illinois estimated tax will be computed based on a protective estimate. The estimated tax can be adjusted as necessary by making entries directly on the estimate worksheet.
To calculate an underpayment of estimated tax, Form IL-2210 must be added. Crosslink doesn't automatically calculate the penalty.