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
Room 206
PO Box 17087
Denver, CO 80217-0087
Phone
: 303-238-7378
Tax refund inquiries
: www.colorado.gov/revenueonline/_/

State electronic filing details

E-filing information
Details
Grace period
10 calendar days
E-Filing mandate
N/A
Accepts state-only filings
Yes - Attach the federal XML created for this State (Default) - Only Federal e-file validation errors have to be cleared. E-file Reject Diagnostics do not have to be cleared
Return types accepted
Resident
Non-resident
Amended
Return types not accepted
Estimate payments
Extension
Part-year resident
5227
Accepts return with these conditions
Refund
Zero balance
Balance due
Direct deposit of refunds
Yes
Accepted forms of payment
Direct debit (within 2 days after filing)
Signature requirements
Yes. The taxpayer or representative should sign and retain signature Document Form DR 8453F. PIN is not allowed as signature.
Supports PDF attachments
Yes
Special considerations
N/A
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