
FORM 104X INSTRUCTIONS
The 2010 Form 104X, Amended Colorado Income Tax Return, is used
to correct your 2010 individual income tax return. For more information
or any questions pertaining to income, additions, subtractions, credits,
etc., refer
to the income tax book for 2010, or call the Department of
Revenue at (303) 238-SERV (7378).
You can also obtain forms and
information
from the Web site at www.TaxColorado.com
Complete Form 104X showing the correct amounts for income,
additions, subtractions, taxes and credits.
AMOUNT OWED
Lines 30 through 36 compute the amount owed to
the state on the
amended return. Any decrease in the amount of the overpayment
(line 30) or increase in the amount owed (line 31) will indicate that
an amount is owed with the amended return.
REFUND AMOUNT
Lines 37 through 41 compute the amount of credit available on the
amended return. Any increase in the amount of the overpayment
(line 37) or decrease in the amount owed (line 38) will indicate that an
overpayment is available with the amended return. The overpayment
can be credited to estimated tax (line 40) for the tax year following the
period on the amended return, or can be requested as a refund (line 41).
Attachments:
Attach an explanation of the changes to your return and, if applicable,
the amended return even if there is no change to that credit or tax
attribute. Part-year residents and nonresidents attach corrected Form
104PN. If this amended return is the result of an adjustment made by the
Internal Revenue Service attach a copy of the federal revenue agent’s
report with supporting schedules. To expedite your refund, attach a
copy of the federal record of account to support any changes to federal
in the United States.
Direct Deposit:
Complete the direct deposit information if you want your refund
deposited directly into your account at a United States bank or other
Foreign Address:
If you are entering an address for a foreign country, use the “State”
the city.
Deceased taxpayer:
requesting a refund, attach a copy of DR 0102 — Claim for Refund
the deceased box after the decedent’s name.
A federal net operating loss carried back to a tax year beginning
on or after January 1, 1987, or carried forward will be allowed for
Colorado income tax purposes. A nonresident or a part-year resident
may carry back or forward that portion of his federal net operating
loss that is from Colorado sources or which relates to the Colorado
portion of the year.
Statute of limitations:
four years from the original due date of the return or three years from
the date of last payment of tax for the year involved, whichever is later.
The statute of limitations for claiming a refund that is the result of a
loss carry-back or an investment tax credit carry-back is four years
from the due date of the return for the year in which the loss or credit
originated. See FYI General 18.
Protective Claims:
open pending the outcome of a court case or tax determination in
another state that affects your Colorado return, check the protective
under a different primary Social Security Number (SSN).
joint to single or married separate, the taxpayer whose SSN was
their amended return. The taxpayer whose SSN was listed second on
Interest rates on additional amounts due are as follows:
January 1 through December 31, 2011.
Tax due paid without billing, or paid within 30 days of billing ....... 3%
Tax due paid after 30 days of billing ............................................. 6%
Mail and make checks payable to:
Colorado Department of Revenue
Denver CO 80261-0005