Frequently Asked Question 390

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Who must file a Montana individual income tax return?

If you are a resident, nonresident, or a part-year resident, you have to file a Montana individual income tax return when you have Montana source income and your federal gross income, excluding unemployment compensation, is equal to or greater than the corresponding amounts that are identified in the chart below.

IF your filing status is... AND at the end of 2009 you were... THEN you should file a
return if your federal
gross income, excluding
unemployment
compensation was at
least...
Single, or married filing separately Under 65 $3,860
65 or older $5,970
Head of Household Under 65 $5,610
65 or older $7,720
Married filing jointly with your spouse Both under 65 $7,720
One spouse 65 or older $9,830
Both spouses 65 or older $11,940
You are entitled to an additional exemption if you are blind or your spouse is blind. Increase your federal gross income by $ 2,140 to determine if you are required to file.