INSTRUCTIONS: MISSISSIPPI NON-RESIDENT/PART-YEAR RESIDENT AMENDED INDIVIDUAL TAX RETURN (Form 80-270)

Mississippi non-residents and part-year residents who owe income tax to the state use a form 80-270 if they must amend their initial return. This document can be found on the website of the Mississippi Department of Revenue.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 1: At the top of the form, enter your name, address and Social Security number. If you file jointly with your spouse, enter their name and Social Security number as well.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 2: Lines one through five ask you to indicate your filing status with a check mark.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 3: Line six requires you to list the name and Social Security number of any dependents you are claiming.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 4: Line seven is only for those claiming an exemption as someone 65 or older or for blindness. If so, note this here.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 5: Complete the calculations on lines eight through 14 as instructed.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 6: Skip to page two and complete lines 33 through 54. Follow the instructions to determine your total adjusted income for the state. Transfer the value on line 54 to line 18.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 7: Complete lines through 15 through 17, which concern ratio computation of taxes owed, standard and itemized deductions, and exemption computations.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 8: On lines 18 through 21, calculate your taxable income as instructed. Your income tax due will be determined on line 22.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 9: Lines 23 through 29 concern overpayment and refunds.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 10: Lines 30 through 32 concern underpayment, interest and penalty.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 11: If you pay alimony, complete Schedule P on the second page.

Mississippi Non-Resident/Part-Year Resident Amended Individual Tax Return 80-270 Step 12: Sign the form and enter your phone number. If filing with your spouse, they must do the same.