Form 2X page 2
Last Name and Initial
Social Security Number
Year Amending
When filing an amended tax return, it is required that you complete the explanation section of this form. You must also attach revised
federal and state tax forms, schedules, and worksheets. If amending to change your filing status from joint to separate, attach a detailed
breakdown showing the allocation of income and deductions between spouses. Omitting any of this information will delay the processing of
your amended return.
For tax year 2001, the federal tax deduction must be reduced by the Federal Advanced Payment.
For tax year 2003, the federal tax deduction must be reduced by the Advance Child Credit.
Attach a copy of your original return.
Instructions for Form 2X
This form is to be used by all individuals who are changing an original Montana income tax return. When completing this return use the
instructions which pertain to the year you are amending. Be sure to give a detailed explanation of the reason for the change and attach
applicable schedules.
Interest Rates: For years prior to 2000, the interest rate is 9% (.09) per year or .75% (.0075) per month. For years 2000 and later, the
interest rate is 12% (.12) per year or 1% (.01) per month.
Taxpayers must file a Montana amended return (Form 2X) within 90 days of receiving an Internal Revenue Service's notification of the
corrections made to the federal return. The amended return must identify the federal adjustments and must recalculate Montana tax for the
year adjusted.
Return Line
Column A
Column B
Explanation
Number
Amount
Amount
Processing of amended returns takes longer than the processing of current year returns. Current year returns receive processing priority.
Make checks payable to the Department of Revenue
For Tax Due Mail to:
For Refund Mail to:
Montana Department of Revenue
Montana Department of Revenue
PO Box 6308
PO Box 6577
Helena, MT 59604-6308
Helena, MT 59604-6577
Post dated checks will be returned