Il 1120S Form - Figure your income or loss. Web explain the changes on this return (attach a separate sheet if necessary.): If you owe tax on line 68, complete a payment voucher,. Small business corporation replacement tax. Web illinois department of revenue.
Small business corporation replacement tax. Web illinois department of revenue. Figure your income or loss. If you owe tax on line 68, complete a payment voucher,. Web explain the changes on this return (attach a separate sheet if necessary.):