1120 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
Steve Asbell
1375 Sherman Street
Denver, CO 80261-0008
Email
: stephen.asbell@state.co.usPhone
: 303-238-7378 State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 10 days |
E-filing mandate | No |
Accepts state-only filings | Yes, but state prefers you send the federal at the same time. |
Return types accepted | C Corporation S Corporation Consolidated / Combined Short year |
Return types not accepted | Amended Estimates Extension Composite Withholding |
Accepts returns with these conditions | Refund Zero balance Balance due |
Direct deposit of refunds | Yes |
Accepted forms of payment | Direct debit (EFW) Electronic funds transfer (EFT) Check by mail |
Signature requirements | ERO retains signed DR 8453-C or DR 8453-P for 4 years |
Supports PDF attachments | Yes |
Tax year(s) supported for e-filing | Current tax year and two prior tax years |
Special considerations | N/A |
