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DR 0104AMT (12/01/22)
COLORADO DEPARTMENT OF REVENUE
Tax.Colorado.gov
*DO=NOT=SEND*
Instructions for Alternative Minimum Tax
Individual taxpayers are subject to a Colorado alternative Part-Year and Nonresidents
minimum tax equal to the amount by which 3.47% of their In the case of a nonresident, the Colorado alternative
Colorado alternative minimum taxable income exceeds minimum tax shall be apportioned in the ratio of the modified
their Colorado normal tax. federal alternative minimum taxable income from Colorado
Colorado alternative minimum taxable income is the sources to the total modified federal alternative minimum
federal alternative minimum taxable income modified by taxable income. In the case of a part-year resident, the
any applicable additions and subtractions. Enter on line 2 Colorado alternative minimum tax shall be apportioned in
of form DR 0104AMT the sum of lines 3 through 6, form the ratio of the modified federal alternative minimum taxable
DR 0104. Enter on line 4 of form DR 0104AMT the sum income applicable to that part of the year the taxpayer was
of all subtractions entered on the DR 0104AD excluding a resident plus the modified federal alternative minimum
the State Income Tax Refund (line 1, DR 0104AD) and taxable income from Colorado sources, if any, during that
any interest paid by the State of Colorado or any political part of the year the taxpayer was a nonresident over the
subdivision thereof that is in federal alternative minimum total modified federal alternative minimum taxable income.
taxable income. On DR 0104AMT - Computation Schedule, Adjustments relative to the standard deduction and
do not enter any amount on line 2 or line 4 that duplicates itemized deductions would be Colorado adjustments to
any income or adjustment made in arriving at federal the extent of the Colorado adjusted gross income ratio
alternative minimum taxable income. as determined on line 34 of form DR 0104PN. Other
For additional information about calculating Colorado adjustments would be Colorado adjustments to the extent
alternative minimum tax, please review the Individual they relate to items of income from Colorado sources. Tax
Income Tax Guide at Tax.Colorado.gov preference items are Colorado items to the extent they
relate to a business being carried on in Colorado.
Ordinarily, you will have a Colorado alternative minimum
tax if you have a federal alternative minimum tax. Use the worksheet below to calculate the apportionment
percentage if you are a part-year resident or nonresident
individual. Carry the amount from line 6 of the worksheet
to line 6 of the DR 0104AMT.
Calculation of Apportionment Percentage Worksheet
Do not return this worksheet with your return, submit the form on page 2.
Total Colorado
1. Amount from line 1 of Federal Form 6251 1
2. Adjustments on Federal Form 6251 relative to itemized deductions 2
3. Other adjustments on Federal Form 6251 3
4. Tax preference items on Federal Form 6251 4
5. Total of lines 1 through 4, equal to alternative minimum taxable income on line 4
of Fed Form 6251 5
6. Amount on line 5 in Colorado column divided by amount on line 5 in total
column. Use the resulting percentage to apportion the tax calculated on line 6,
form DR 0104AMT. 6
