Table of Contents

1099 E-Filing: Colorado

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31

E-filing threshold

Must E-file if 10 or more

Filing options

Electronic filing

Forms to file

State requires W-2G and all 1099 statements listing Colorado withholdings. Form 1099-NEC must be filed separate from the other 1099's.

Transmittal form

If a payer files 1099 or W-2G withholding statements electronically through Revenue Online, the payer does not need to submit a DR 1106 or 1101 unless an amount appears on 3A (additional balance due) or 3B (a refund) of the return

Required file name

Any name with “.txt” at the end

E-filing website

https://www.colorado.gov/revenueonline/_/

Contact

Marc Maes 303-205-5252, marc.maes@state.co.us

Irene Montgomery 303-205-5290, irene.montgomery@state.co.us

Submitting files

Colorado accepts electronic filing for Prior Years.
Colorado corrections must be paper filed.

Register the submitter at least five days prior to submitting the file: Revenue Online.

If Colorado tax is withheld, payers are required to have a Colorado 1099 and/or W-2G withholding account and remit the tax.

If a payer files 1099 or W-2G withholding statements electronically through Revenue Online, the payer does not need to submit a DR 1106 or 1101 unless an amount appears on 3A (additional balance due) or 3B (a refund) of the return.

Anyone who will submit 1099s or W2-Gs must register with Revenue Online before submitting such forms. Once you have completed the registration process, you will not need to do it again.

To register:

• Go to Revenue Online www.Colorado.gov/RevenueOnline at least five days before you plan to submit a file or type in each 1099 or W-2G entry.

• Under “Additional Services,” click on the link “Submit Year-End Withholding.”

• Click on the link “Request Withholding Submitter Access.”

• Complete the requested fields. A Confirmation will automatically populate to confirm that the Department has received the registration request. In most cases, the registration process is completed overnight; however, it may take up to five business days to complete. You cannot submit documents until the registration process is complete.

Uploading the file

Go to Revenue Online www.Colorado.gov/RevenueOnline, find the “Additional Services” area, and then click on the link “Submit Year-End Withholding.” Once there click on the link, “Submit a Withholding File Attachment.” After you submit the data, if your submission is processed, a confirmation code will automatically populate on your screen. Please print this page and keep it in your records.

Submit the corrected 1099 or W-2G forms with a cover letter to:

Colorado Department of Revenue

Discovery Section

P.O. Box 17087

Denver, CO 80217-0087

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