Follow the steps to complete your CO DR 8453 online.

1. Press the ‘Get Form’ button to obtain the form and open it in the editor.
2. Enter the Submission ID, which is a 20-digit number assigned by your preparation software at the time of submission to the IRS.
3. Fill in your name, address, and Social Security Number exactly as they appear on Colorado Form 104.
4. In Part I – Tax Return Information, complete each line as follows: Line 1 for total income from federal Form 1040, line 9; Line 2 for taxable income from federal Form 1040, line 15; Line 3 for the amount of tax from Colorado Form 104, line 19; Line 4 for Colorado withholding tax from Colorado Form 104, line 20; Line 5 for the refund amount from Colorado Form 104, line 32; and Line 6 for any amount you owe from Colorado Form 104, line 37.
5. In Part II – Declaration of Taxpayer, sign and date the form. If you are filing jointly, your spouse must also sign and date.
6. For users working with an Electronic Return Originator (ERO) or tax preparer, ensure they complete Part III, signing and providing their Social Security Number or Preparer Identification Number.
7. Review all entered information for accuracy to confirm that it matches your federal and Colorado tax returns.
8. Once all fields are filled out, you have the option to save changes, download, print, or share the completed form as needed.

Complete your CO DR 8453 form online today for a smooth tax filing experience.