We grant an automatic six-month extension of time to file your return. If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois.
Who must file Form IL-1065? You must file Form IL-1065, Partnership Replacement Tax Return, if you are a partnership (see “Definitions to help you complete your Form IL-1065”) and you have base income or loss as defined under the Illinois Income Tax Act (IITA) allocable to Illinois.
A 52/53-week filer is a fiscal filer with a tax year that varies from 52 to 53 weeks because their tax year ends on the same day of the week instead of the last day of the month. You must complete an IDOR-issued or previously approved Form IL-1120 and corresponding schedules.
You must file Form IL-1120-ST if you are a small business corporation (“S corporation”), as defined in Internal Revenue Code (IRC) Section 1361(a), that • has net income or loss as defined under the Illinois Income Tax Act (IITA); or • is qualified to do business in the state of Illinois and is required to file federal ...
You should use Form IL-1065 when your partnership has income or loss allocable to Illinois and needs to report for tax purposes. This form must be filed for each tax year to maintain compliance with state tax laws.
You must file Form IL-1120-ST if you are a small business corporation (“S corporation”), as defined in Internal Revenue Code (IRC) Section 1361(a), that • has net income or loss as defined under the Illinois Income Tax Act (IITA); or • is qualified to do business in the state of Illinois and is required to file federal ...
A nonresident alien, you must file Form IL-1040 if your income is taxed under federal income tax law. You must attach a copy of your federal Form 1040NR, U.S. Nonresident Alien Income Tax Return, or federal Form 1040NR-EZ, U.S. Income Tax Return for Certain Nonresident Aliens With No Dependents.
If you qualified for the Illinois Earned Income Tax Credit (EITC) and have at least one child that is your dependent and under the age of 12 years old as of the last day of 2024, you qualify for the Illinois Child Tax Credit. For tax year 2024, the Child Tax Credit is calculated as 20 percent of your Illinois EITC.