1041 Colorado electronic filing information

State contact information

If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
CO Department of Revenue - Electronic Filing Help Desk
Phone:
303.866.3889

State electronic filing details

Grace period
10 days
E-Filing mandate
Yes
Accepts state-only filings
Yes
Return types accepted
Resident
Non-resident
Return types not accepted
Amended
Estimate payments
Extension
Withholding
Accepts return with these conditions
Refund
Zero balance
Balance due
Direct deposit of refunds
No
Accepted forms of payment
Direct debit (within 2 days after filing)
Credit card (via Revenue Online)
Check (with Form 900F)
Signature requirements
ERO retains DR-8454 for 4 years
Supports PDF attachments
Yes
Special considerations
  • Colorado requires a signature date in order to e-file.
  • Colorado requires that you sign Form DR-8454 prior to submitting the electronic file.

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