Download Instructions for Form IL1120STX Amended Small Business
Form Il 1120. Tax year beginning month if you are filing an amended return for tax years ending day year , ending month day Illinois department of revenue, p.o.
Download Instructions for Form IL1120STX Amended Small Business
Tax year beginning , ending. B enter your mailing address. If you have a name change, check this box. Illinois department of revenue, p.o. Amended corporation income and replacement tax return. Payment voucher for 2021 corporation income and replacement tax. For all other situations, see instructions to determine the correct form to use. Tax year beginning month if you are filing an amended return for tax years ending day year , ending month day Step 9 — figure your refund or balance due Amended corporation income and replacement tax return.
Step 9 — figure your refund or balance due Step 9 — figure your refund or balance due Payment voucher for 2021 corporation income and replacement tax. For tax years ending before december 31, 2022, use the 2021 form. Payment voucher for amended corporation income and replacement tax. For all other situations, see instructions to determine the correct form to use. Tax year beginning , ending. How do i register my business? Tax year beginning month if you are filing an amended return for tax years ending day year , ending month day In order to avoid late payment penalties, you must attach proof of the federal finalization date, Using the wrong form will delay the processing of your return.