Illinois Form Il 1120 - Web enter the amount you are paying. Year month day year month day. This form is for tax years. Small business corporation replacement tax return. Tax year beginning 20 , ending 20. Corporation income and replacement tax return: Settlement funds — if you are a settlement fund under irc section 468b and you report your federal taxable income on. Due on or before the 15th day of the 3rd month.
Due on or before the 15th day of the 3rd month. Corporation income and replacement tax return: Small business corporation replacement tax return. Tax year beginning 20 , ending 20. This form is for tax years. Year month day year month day. Settlement funds — if you are a settlement fund under irc section 468b and you report your federal taxable income on. Web enter the amount you are paying.