Changes to the 2017 Form 2 to Conform to New Federal Tax Laws

January 25, 2018

Updated February 23, 2018: Corrections to wording and explanation.

The following changes were made to the 2017 Montana Individual Income Tax Return (Form 2):

  • The department voided and reserved for future use:
  • Line 3 of Schedule III (Itemized Deductions) was updated to reflect the new limitation used to calculate allowable medical and dental expenses as included in the federal tax form bill (HR1). Medical and dental expenses are allowed for tax year 2017 to the extent if they exceed 7.5% of the taxpayer adjusted gross income.