
For help, visit Tax.Colorado.gov
Instructions
Line Instructions
Submission ID
The 20-digit number is assigned by the preparation
software to each taxpayer's return at time of
submission to the IRS. This number should be
entered in the space provided.
Name, Address, and Social Security Number
Print or type this information in the space provided
exactly as it appears from Colorado Form 104.
Part I – Tax Return Information
Line 1 — Report the total income from federal
Form 1040, line 9.
Line 2 — Report the amount of taxable
income reported on federal Form 1040,
line 15.
Line 3 — Report the amount of tax reported on
Colorado Form 104, line 17.
Line 4 — Report the amount indicated as
Colorado withholding tax from
Colorado Form 104 line 18.
Line 5 — Report the amount reported as a
refund on Colorado Form 104 line 36.
Line 6 — Report the amount reported as the
amount you owe from Colorado Form
104 line 41.
Part II – Declaration of Taxpayer (Taxpayer
using ERO or Taxpayer who is a
PC ler)
All Taxpayers
All Taxpayers are required to sign and date the
DR 8453 at the time of filing. If the tax return
is a joint return, the spouse is also required to
sign and date the DR 8453 at the time of filing.
An electronically transmitted income tax return
will not be considered complete and/or filed
until the DR 8453 has been signed/dated by all
appropriate taxpayers.
Taxpayers Using an ERO or Preparer
Taxpayers who use an ERO or tax preparer
should maintain copies of all information given to
them by the ERO or tax preparer for the period
covered by the statute of limitations, but are not
required to mail anything to the Colorado
Department of Revenue at the time of ling.
Part III – Declaration of Electronic Return
Originator (ERO), Preparer, or
transmitter
The ERO or the preparer of the return is
required to sign and date the DR 8453 at the
time of ling. If the ERO is also the preparer,
the check box labeled "Check if also preparer"
must be checked. The ERO or preparer is also
required to report their Social Security Number
or preparer identication number (PTIN) in the
space provided. If the taxpayer is the preparer,
PART III does not need to be signed/dated.
Other Information
Colorado Statute of Limitations
The general rule for the Colorado statute of
limitations is the federal statute of limitations
plus one year, or four years from the due date
of the Colorado return. For exceptions to this
general rule, see Colorado publication Individual
Income Tax Guide or 39-22-608, Colorado
Revised Statutes.
DR 8453 on Demand by Colorado DOR
The paid preparer is also responsible for
establishing and maintaining a system
that allows retrieval of any particular DR
8453 and attachments by taxpayer social
security number on demand by the Colorado
Department of Revenue.
*DO=NOT=SEND*
DR 8453 (10/19/21)
COLORADO DEPARTMENT OF REVENUE
Denver CO 80261-0005
Tax.Colorado.gov