How Can I Amend My Colorado State Tax Return?

Correcting Errors or Changing a Return Individual income tax returns from 2009 and forward may be amended electronically through Revenue Online (state website). Filing and amending returns in Revenue Online is a free service. You may amend online even if the original return was filed on paper. Revenue Online has all the information from your original return. You will not need to re-enter [...]

How Can I file for a Colorado Extension?

Automatic Filing Extension Colorado offers an automatic 6-month extension to file your income tax return if you cannot submit your return by the April 15 due date. This means that you can file your return by October 15 without filing this form. While there is an extension to file, there is not an extension to the payment due date. Penalty and interest are assessed if certain payment criteria [...]

How can I contact the Colorado state department?

Revenue Online and Secure Messaging The Department offers many services through Revenue Online. You can file or amend a return, submit required return attachments, monitor your account activity, pay taxes, check the status of a refund, file a protest and send a secure message to Department staff. Visit Colorado.gov/RevenueOnline to get started. Taxation Website Visit the official Colorado [...]

When Do I Need to File my Colorado State Taxes?

Due Date The DR 0104 and any tax payment owed are due April 15, 2022. Revenue Online will accept returns as timely filed until midnight. Returns that are mailed must be postmarked by April 15. An automatic extension to file is granted until October 15, but there is no extension to [...]

I owe Colorado. What are my payment options?

If you owe tax, a payment voucher will be included with your forms to mail payment. If possible, pay part of the balance due with your voucher to minimize the penalty and interest you will owe. You will be mailed a bill for the balance. For the state of Colorado, you have three payment options - Pay Online— After submitting your return on Revenue Online, you will be given the [...]