1040 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.
Colorado Department of Revenue
Federal/State Electronic Filing Program
1375 Sherman Street, Rm. 206
Denver, CO 80261
Phone
: 303-238-7378State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 5 days |
E-filing mandate | Returns claiming enterprise zone credits must be filed electronically by statute. |
Accepts state-only filings | Yes. |
Return types accepted | Resident Part-year resident Nonresident Estimate payments Extension Amended |
Return types not accepted | Superseded |
Accepts returns with these conditions | Refund Zero balance Balance due |
Direct deposit of refunds | Yes |
Accepted forms of payment | Direct debit (EFW) Credit card Online ePayment |
Signature requirements | ERO retains DR-8454 for 4 years |
Driver's license requirements | Optional. PIN not allowed as signature. |
Supports PDF attachments | Yes |
Tax year(s) supported for e-filing | Current tax year and two prior tax years |
Special considerations | See Electronic filers handbook |
