Form IL1120X Download Fillable PDF or Fill Online Amended Corporation
Form Il 1120. Corporation income and replacement tax return. In order to avoid late payment penalties, you must attach proof of the federal finalization date,
Form IL1120X Download Fillable PDF or Fill Online Amended Corporation
For tax years ending before december 31, 2022, use the 2021 form. Corporation income and replacement tax return. B enter your mailing address. Identify your small business corporation a. Tax year beginning month if you are filing an amended return for tax years ending day year , ending month day If you have a name change, check this box. Or • is qualified to do business in the state of illinois and is required. Indicate what tax year you are amending: In order to avoid late payment penalties, you must attach proof of the federal finalization date, Amended corporation income and replacement tax return.
Tax year beginning , ending. B enter your mailing address. If you have a name change, check this box. Indicate what tax year you are amending: Enter your complete legal business name. We will compute any penalty or interest dueand notify you. Or • is qualified to do business in the state of illinois and is required. To file a federal income tax return (regardless of net income or loss). Identify your small business corporation a. For tax years ending before december 31, 2022, use the 2021 form. Illinois department of revenue, p.o.
