Colorado Tax Information Authorization and POA
Form DR 0145 is necessary for taxpayers in Colorado who wish to appoint a representative for tax matters. This form enables both Tax Information Authorization (TIA) and Power of Attorney (POA). Properly filling out this form ensures efficient communication with the Colorado Department of Revenue.
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How do I fill this out?
To fill out this form, begin by entering the taxpayer's crucial information including names and tax identification numbers. Next, specify whether the authorization is for Tax Information Authorization or Power of Attorney. Ensure that all required fields are completed accurately before submission.

How to fill out the Colorado Tax Information Authorization and POA?
1
Enter the taxpayer's and spouse's information along with tax identification numbers.
2
Indicate whether you are granting Tax Information Authorization or Power of Attorney.
3
Provide details for the authorized person(s), including contact information.
4
Specify the tax matters and periods for which the authorization applies.
5
Sign and date the form to finalize the authorization.
Who needs the Colorado Tax Information Authorization and POA?
1
Taxpayers filing individual or joint returns who need assistance with tax inquiries.
2
Business owners seeking help with corporate tax obligations and filings.
3
Accountants representing clients who require access to confidential tax data.
4
Individuals authorizing a family member to handle their tax matters.
5
Anyone wanting to assign a tax professional for resolving disputes with the Department.
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What are the instructions for submitting this form?
Submit Form DR 0145 either through the online submission at the Colorado Department of Revenue's website or by mailing it to their designated address. For direct mailing, send it to COLORADO DEPARTMENT OF REVENUE, PO Box 17087, Denver, CO 80217-0087. Ensure that all sections of the form are filled out completely for a smooth processing experience.
What are the important dates for this form in 2024 and 2025?
For the years 2024 and 2025, keep track of tax filing deadlines usually set around April 15 each year. Additionally, remain aware of any changes in the expiration status of forms as specified in your submission. For any updates on filing procedures, always check the Colorado Department of Revenue's official announcements.

What is the purpose of this form?
The purpose of Form DR 0145 is to provide a mechanism for taxpayers in Colorado to authorize another individual or organization to handle their tax matters. This can include receiving confidential information, filing necessary documents, and representing the taxpayer in communications with the Colorado Department of Revenue. Ensuring the correct completion of this form allows taxpayers to maintain clarity and control over their tax representation and information access.

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

- 1. Taxpayer Name: The full name of the taxpayer requiring authorization.
- 2. Tax ID Number: The relevant tax identification number associated with the taxpayer.
- 3. Acts Authorized: Indication of whether the authorization is for TIA or POA.
- 4. Persons Authorized: Contact details of individuals authorized to act on behalf of the taxpayer.
- 5. Tax Matters Authorized: Specifies the tax matters and time periods for which the form is effective.
What happens if I fail to submit this form?
Failure to submit this form correctly can lead to delays in processing your tax information or representation. Incomplete submissions may result in rejection by the Colorado Department of Revenue, necessitating resubmission. It is crucial to ensure that all required fields are filled and accurate to avoid complications.
- Incomplete Fields: Missing required information may invalidate the submission, leading to processing delays.
- Incorrect Authorization: Granting incorrect authorization could lead to unauthorized access to sensitive tax information.
- Submission Errors: Submitting the form without proper review may cause errors that need correction.
How do I know when to use this form?

- 1. Tax Inquiries: When you need help addressing inquiries from the Department regarding your tax status.
- 2. Representation in Disputes: If you need someone to represent you in disputes with tax authorities.
- 3. Clarifying Tax Obligations: To clarify obligations with the Department that may require third-party assistance.
Frequently Asked Questions
How do I edit the form?
You can edit the form by opening it in the PrintFriendly editor and using the editing tools to modify text and sections.
Can I save the changes I make?
You can download the edited form after modifications; however, saving is not available on the site.
How do I fill out this form?
Ensure you enter all the required fields accurately, including taxpayer information and authorization details.
What is the purpose of this form?
This form allows taxpayers to grant permission for someone else to handle their tax matters with the Department.
Who needs this form?
Individuals or businesses needing assistance with tax inquiries or representation by a tax professional should fill it out.
Is there a fee for using PrintFriendly?
No, using PrintFriendly to edit or share your documents is completely free.
How do I submit my completed form?
Submit your completed form online via the Colorado Department of Revenue's web portal or by mail.
Can I revoke the authorization?
Yes, you can revoke the authorization by submitting a written request to the Department.
What if I make a mistake on the form?
If you make a mistake, you can correct it within the PrintFriendly editor before downloading.
What does the form authorize?
The form authorizes designated representatives to access confidential tax information and perform various tax-related tasks.
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