INSTRUCTIONS: MISSISSIPPI AMENDED CORPORATE INCOME AND FRANCHISE TAX RETURN (Form 83-170)

Mississippi S and C corporations correct information filed on their original previously adjusted income and franchise tax return by filing a form 83-170. This form can also be used to claim a refund due to an adjustment in taxes or due to a net operating loss carryback or carryforward. The form can be found on the website of the Mississippi Department of Revenue.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 1: Enter the year in which you are filing at the top of the form.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 2: Indicate with a check mark whether you are an S or C corporation.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 3: Give your business name, address and Federal Employer Identification Number. If the name or address is different from the ones filed previously, indicate this with a checkmark.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 4: Lines 1 through 7 require you to provide information about your capital, taxes, credits and income tax due. In column A, give the amounts originally reported. In column B, indicate a decrease in the number reported with a minus sign. Provide a written explanation for every change in this column. Enter the amended amount in column C.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 5: On line 9, enter overpayments from previous years as claimed on your last return.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 6: On line 10, enter the sum of estimated tax payments, extension payments, amount paid with your original return, or additional tax paid after filing.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 7: Add lines 9 and 10. Enter the sum on line 11.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 8: If you previously overpaid, complete lines 12 through 14, as well as lines 18 through 20.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 9: If you filed or paid late, complete lines 15 through 17.

Mississippi Amended Corporate Income And Franchise Tax Return 83-170 Step 10: An officer must sign and date the bottom of the page, as well as giving the phone number of their corporation's tax department.