2022 Form Il-1120-St Instructions - Web returns supported for electronic filing. *combined returns with all c corporation members can electronically file if illinois. There is an automatic seven month. Web enter your federal employer identification number (fein). • illinois net loss deductions are to be reported on schedule nld, illinois net loss deduction. Enter your name, c/o information (if applicable), address, and.
Enter your name, c/o information (if applicable), address, and. Web enter your federal employer identification number (fein). • illinois net loss deductions are to be reported on schedule nld, illinois net loss deduction. *combined returns with all c corporation members can electronically file if illinois. There is an automatic seven month. Web returns supported for electronic filing.