2023 Colorado Individual Income Tax Filing Guide
The Colorado Individual Income Tax Filing Guide provides detailed instructions for residents and nonresidents on completing their income tax returns. It includes various forms, schedules, and important tax information. Ideal for individuals looking to understand their obligations and options for filing taxes in Colorado.
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How do I fill this out?
In this section, we will guide you through the process of filling out the Colorado Individual Income Tax Form. You will learn the necessary steps for accurate completion to avoid common errors. Follow along as we provide the essential information needed for your tax return.

How to fill out the 2023 Colorado Individual Income Tax Filing Guide?
1
Read through the Colorado Income Tax Filing Guide thoroughly.
2
Gather all necessary documents and tax forms related to your income.
3
Complete the tax form according to the provided instructions.
4
Double-check all information for any discrepancies or missing details.
5
Submit the completed form electronically or via mail as per the guidelines.
Who needs the 2023 Colorado Individual Income Tax Filing Guide?
1
Full-year residents of Colorado who need to report their income to the state.
2
Part-year residents who earned income while living in Colorado.
3
Nonresidents who received income from Colorado sources.
4
Individuals applying for state tax credits or deductions.
5
Tax professionals assisting clients with filing Colorado state taxes.
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What are the instructions for submitting this form?
To submit your Colorado tax return, you can do so electronically via Revenue Online or by mailing the completed forms to the Colorado Department of Revenue at Denver, CO 80261-0006 with payment and 80261-0005 without payment. If you choose to fax your forms, send them to the appropriate fax number provided in the forms. Ensure that all necessary documentation is included for your submission, as missing documents can cause delays in processing.
What are the important dates for this form in 2024 and 2025?
For the 2024 tax year, the due date for Form DR 0104 is April 15, 2024. If you need to make an extension, you can submit Form DR 0158-I, which gives you extra time until October 15. Remember to mail your forms postmarked by these deadlines to avoid penalties.

What is the purpose of this form?
The purpose of the Colorado Individual Income Tax Filing Guide is to assist taxpayers in understanding their obligations regarding state income tax. It provides essential information on filing requirements, deadlines, and available forms necessary for accurate tax reporting. This guide ultimately aims to simplify the tax filing process for Colorado residents and those earning income from the state.

Tell me about this form and its components and fields line-by-line.

- 1. DR 0104: The main income tax return form.
- 2. DR 0104EE: Easy Enrollment Information Form.
- 3. DR 0104CH: Voluntary Contributions Schedule.
- 4. DR 0900: Individual Income Tax Payment Form.
- 5. DR 0104AD: Subtractions from Income Schedule.
- 6. DR 0158-I: Extension Payment Form.
- 7. DR 0104CR: Individual Credit Schedule.
What happens if I fail to submit this form?
Failing to submit this form can result in penalties, interests, or both. The Colorado Department of Revenue may also file a return on your behalf, which might not consider your specific tax situation. It's essential to file to ensure you understand your refund eligibility and avoid complications.
- Penalties: Late submissions may incur financial penalties.
- Interest Charges: Overdue taxes may accrue interest.
- Filing on Your Behalf: The department may submit a return that doesn't reflect your tax obligations.
How do I know when to use this form?

- 1. Reporting Income: Use this form to report your income accurately.
- 2. Claiming Credits: This form is necessary to apply for available state tax credits.
- 3. Meeting Legal Requirements: Filing this form helps fulfill your obligations as a taxpayer.
Frequently Asked Questions
What forms are included in this tax guide?
The guide includes forms like DR 0104, DR 0104EE, and various schedules necessary for Colorado income tax filing.
Can I submit my tax return electronically?
Yes, you can submit your tax return electronically using the Revenue Online service.
What happens if I miss the filing deadline?
Missing the deadline may result in penalties and interest on any owed taxes.
Are there any tax credits available?
Yes, the guide outlines various credits available to Colorado taxpayers through specific forms.
How do I access my completed forms?
You can save your completed forms to your device after editing on PrintFriendly.
What if I need help understanding the forms?
You can refer to the guide itself for detailed explanations of each form and its components.
Is this guide for residents only?
No, it is applicable for both residents and nonresident individuals earning income in Colorado.
How do I contact the Colorado Department of Revenue?
You can find contact information for the Colorado Department of Revenue at their official website.
Where can I find additional information on taxes?
For additional details, visit the Colorado Department of Revenue's website.
Can I file using a paid tax preparer?
Yes, you can choose to file with a paid tax preparer if you prefer.