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Arizona Form 285: Tax Power of Attorney Explained

Learn how to effectively use the Arizona Tax Power of Attorney Form 285. Get clear instructions and tips to simplify your tax management. Read more!
A woman and a man showing a tablet with a state tax form to an older man sitting at a desk with a GetTaxRelief sign in the background.
Published date:
August 14, 2025
Updated date:
June 2, 2026

The Arizona Tax Power of Attorney Form 285 is a document that lets you authorize someone else to handle your tax matters with the state. It gives them legal permission to speak with the Arizona Department of Revenue on your behalf. This can include accessing tax information, responding to notices, or handling audits. It does not give them control over your finances outside of tax matters.

You may need Form 285 if you are traveling, sick, or overwhelmed by a complex tax situation. Before proceeding with any representation, it helps to review the form carefully and verify that your chosen appointee meets all eligibility requirements. Business owners often use this power of attorney to allow their accountant to handle transaction privilege tax and withholding tax matters. Individuals use it during audits or when they need someone to respond quickly to a tax notice on their behalf. It saves time, reduces stress, and ensures that a knowledgeable person can act on your behalf with the Arizona Department of Revenue.

You do not need a lawyer to complete this document. Many first-time filers use it when they are unsure about Arizona's tax process. The form exists to simplify your tax communication with the Arizona Department, not complicate it. Think of completing the form as a way to verify and secure your representation before proceeding with any state tax matter. Any appointee must be an individual, but not every individual may represent a taxpayer in administrative matters. Representation authority under Sections 4 or 5 is limited by Arizona Supreme Court Rule 31.3(d) and related instructions.

What a Tax Power of Attorney Does in Arizona Tax Cases

A tax power of attorney in Arizona gives someone legal authority to act on your behalf in dealings with the Arizona Department of Revenue. Understanding what it allows and what it does not allow is essential for ensuring your tax power is delegated correctly.

Authorization to Act on Your Behalf in Tax Matters

Filing Form 285 grants your appointed representative the right to discuss your tax matters directly with the Arizona Department. This includes accessing your confidential tax information, responding to review requests, and receiving notices. This tax power of attorney applies only to tax-related matters and only for the tax periods and types you identify on the form. 

Limited to Arizona Tax Jurisdiction

This is a state-level document. The Arizona tax power of attorney Form 285 is strictly for communication with the Arizona Department of Revenue. It cannot be used for IRS federal tax issues. Many people mistakenly believe that one power of attorney covers all jurisdictions, but you will need a separate federal form for the IRS.

Does Not Authorize Signing of Tax Returns

Form 285 does not itself authorize an appointee to sign your original or amended tax returns. Signing authority would require separate legal authority where applicable, such as when a court-appointed fiduciary is involved. Most tax professionals can prepare your return, but signing remains your responsibility under Arizona law.

Not the Same as a General Legal Power of Attorney

Unlike a broader legal power of attorney covering decisions such as health care or real estate, an Arizona tax power of attorney is narrowly focused. Its scope is limited to taxes, specific tax years, and specific tax types, ensuring control over your financial representation without overextending legal reach.

Typical Use Case: Authorizing a Tax Professional

You might complete Form 285 to authorize an accountant, CPA, or enrolled agent as your representative during an audit, review, or to clarify past filings. This is especially useful if you have received a notice and need a qualified person to respond and proceed on your behalf before deadlines pass.

Who Should Use the Tax Power of Attorney Form 285

This official Arizona Department of Revenue document gives someone the authority to handle specific tax matters on your behalf. Below is a breakdown of who typically uses Form 285 and when it applies.

Individuals Handling Their Own or Family Tax Matters

If you are an individual taxpayer in Arizona who needs help with filing, responding to notices, or clarifying a tax situation, Form 285 allows you to authorize a representative to deal directly with the Arizona Department of Revenue on your behalf. This is particularly useful if you are traveling, hospitalized, or overwhelmed by the state tax process. 

Small Business Owners Needing Representation

Arizona business owners often appoint an attorney, accountant, or qualified representative via Form 285 to handle complex state tax filings, audits, or licensing renewals. The document ensures that a designated person can respond to inquiries promptly and handle authorized tax matters securely.

Taxpayers Under Audit or Review

If you are undergoing an audit, assessment, or tax review, submitting an Arizona tax power of attorney via Form 285 can protect your interests. A qualified representative can directly communicate with the Arizona Department, interpret complex notices, and ensure deadlines are met throughout the process.

Entities Including Trusts, Estates, and LLCs

Not just individuals, but trusts, estates, LLCs, and corporations can all file the Arizona Tax Power of Attorney Form 285. These entities may need someone authorized to receive confidential information, communicate with ADOR, and handle authorized tax matters on their behalf. The form must clearly state the tax type, tax periods, and scope of the representative's authority. 

Who You Can Appoint Through a Power of Attorney Without Legal Help

In Arizona, you do not need a lawyer to name someone as your tax representative using Form 285. However, any appointee must be an individual, and not every individual may represent a taxpayer in administrative matters. Representation authority under Sections 4 or 5 is governed by Arizona Supreme Court Rule 31.3(d) and related instructions. Here is what you need to know about who qualifies.

  • Certified Public Accountant (CPA): You can appoint a licensed CPA to act on your behalf. CPAs are state-licensed professionals authorized to handle complex financial matters and communicate directly with the Arizona Department of Revenue. This is a common choice for taxpayers facing audits or tax disputes. Completing the appointment process gives you immediate peace of mind, knowing a qualified professional is securing the connection between you and the ADOR.
  • Enrolled Agent (EA): Enrolled Agents are federally licensed by the IRS to represent taxpayers in all 50 states, including Arizona. They qualify as federally authorized tax practitioners under the current form instructions and are authorized to prepare tax returns, handle audits, and address other tax issues. You can verify you are human by completing the designation section accurately and submitting the form with a valid signature.
  • Attorney: For administrative matters before the ADOR, the appointee must be an active Arizona attorney or otherwise qualify under Arizona Supreme Court Rule 31.3(d). Out-of-state attorneys may qualify only under specific conditions as federally authorized tax practitioners. Confirm that any attorney you appoint is in good standing with their bar association. The security of your connection to proper legal representation depends on verifying their standing before submitting the form.
  • Full-Time Officer or Employee (For Business or Corporate Filers): A full-time officer or employee of a business may be appointed to represent that business before the ADOR, but only under the specific conditions described in the current instructions. Independent contractors or part-time workers do not qualify under this category.
  • Family Members and Other Individuals (Limited): Arizona allows you to name a family member or other individual on Form 285, but their authority in administrative matters under Sections 4 or 5 is restricted by Rule 31.3(d). For other individuals, representation is generally allowed only when the total amount in dispute is less than $5,000, as outlined under Section 9e of the current instructions.
  • Multiple Representatives (Allowed, With an Additional Sheet): Form 285 permits more than one representative. If naming more than one appointee, you must attach an additional sheet with the required information for each person. Define each person's role clearly and assign one primary point of contact to avoid confusion.

How to Fill Out Form 285 Without Legal Jargon

Filling out the Arizona Tax Power of Attorney Form 285 can feel intimidating if you are unfamiliar with legal paperwork, but it does not have to be. The current version of the form, published April 3, 2025, and incorporating the September 2024 updates, is organized into Sections 1 through 9. Here is a jargon-free walkthrough of each section.

Section 1: Taxpayer Information

Enter your legal name, Social Security Number or EIN if you are a business, address, and daytime phone number. Section 1 also requires your AZ Tax License Number. The September 2024 update added license type checkboxes for TPT, Liquor, Bingo, Tobacco, and Marijuana Excise. The Arizona Department of Revenue matches your information against its system, so even a slight mismatch can delay or invalidate your form.

Section 2: Appointee Information

Write the full name, address, and phone number of the person you are authorizing. The appointee must be an individual and must provide an identifying number, such as a State Bar number, CPA license number, EA number, or another ID type and number as required by the form. Make sure all details are complete and accurate.

Section 3: Tax Matters

This section authorizes disclosure for the listed tax matters. Specify exactly what tax years and types you authorize your representative to discuss or handle, such as individual income tax for 2022 and 2023, or Transaction Privilege Tax for 2023. Following the September 2024 update, the field for other tax types now reads "Other tax type" rather than the older label. Being too vague here can result in rejection.

Section 4: Additional Authorization

Section 4 lets you grant specific additional powers beyond basic disclosure. The actual items covered include signing a statute-of-limitations waiver; executing a protest of a deficiency assessment or denied refund claim; requesting a formal hearing; representing you in an administrative tax proceeding; executing a closing agreement; handling collection matters, including an offer in compromise; delegating authority; and other specifically identified actions. Review each item carefully before authorizing. When Section 4 applies, the appointee must also complete the declaration in Section 9. 

Section 5: Power of Attorney Grant

Section 5 is the formal power of attorney grant. This is where you authorize your representative to act on your behalf for the matters listed in Sections 3 and 4. Form 285 does not itself authorize an appointee to sign your original or amended tax returns. Signing authority would require separate legal authority where applicable, such as a court-appointed fiduciary arrangement. When Section 5 applies, the appointee must also complete and sign Section 9. 

Section 6: Revocation

Section 6 handles revocation of previous authorizations. If you are replacing an existing power of attorney or ending a representative's authority, use this section to clearly state what is being revoked.

Section 7: Corporations with Controlled Subsidiaries

Section 7 applies only to certain corporations with controlled subsidiaries. It lets a parent corporation include or exclude subsidiaries for disclosure authorization. Most individual taxpayers, small businesses, and non-corporate entities will not need to complete this section. 

Section 8: Taxpayer Signature

The taxpayer must sign and date the form in Section 8. If it is a joint return, both spouses must sign. The form requires your signature on page 2. A form without a completed signature block will not be processed.

Section 9: Declaration of Appointee

When Sections 4 or 5 apply, the appointee must complete and sign Section 9. This is the appointee's declaration confirming their eligibility and acceptance of the authorization. Do not skip this section if additional powers or the full power of attorney grant are being used.

Use the Latest Version Only

Always download the current Form 285 directly from the Arizona Department of Revenue website. Using an outdated version, even one from last year, can lead to processing delays or a rejected submission. The current version, published April 3, 2025, reflects the September 2024 updates. 

What Powers Are You Giving with the Arizona Tax Power of Attorney Form 285

When you complete the Arizona Tax Power of Attorney Form 285, you formally authorize someone to act on your behalf in specific tax matters with the Arizona Department of Revenue. The level of authority you grant depends on what you complete in Sections 3, 4, and 5.

Section 3: Disclosure Authority

Completing Section 3 alone authorizes disclosure for the listed tax matters. Your representative can talk to ADOR staff, ask questions about your account, and request documents such as transcripts or notices. They cannot make decisions, file forms, or bind you to any action. This is best for situations where you need someone to help you understand your tax position while you continue handling matters yourself. 

Section 4: Specific Additional Powers

The listed powers include signing a statute-of-limitations waiver; executing a protest of a deficiency assessment, denied refund claim, or other agreement on the taxpayer’s behalf; requesting a formal hearing; representing the taxpayer in an administrative tax proceeding; executing a closing agreement; handling collection matters, including an offer in compromise; delegating authority; and other specifically identified actions. 

Section 5: Full Power of Attorney Grant

Section 5 is the formal power of attorney grant, allowing your representative to perform nearly all actions you could take yourself with the ADOR within the boundaries of Arizona law. This includes negotiating on your behalf, submitting or withdrawing documents, and handling authorized tax matters in full. However, Form 285 does not itself authorize an appointee to sign your original or amended tax returns. That authority would require a separate legal arrangement where applicable.

Legal and Practical Limitations

  • Form 285 does not authorize the signing of tax returns. That authority requires separate legal arrangements where applicable.
  • Your representative must comply with all Arizona laws and tax rules. They cannot avoid penalties, interest, or legal deadlines on your behalf.
  • Form 285 does not apply to IRS federal matters. It is strictly for Arizona state tax issues handled through the Arizona Department of Revenue.

How to Submit the Arizona Tax Power of Attorney Form 285 Without a Lawyer

Submitting the Arizona Tax Power of Attorney Form 285 without a lawyer is straightforward once you know where to find the form and how to deliver it correctly.

Download the Official Form from the Source

You must use the most current version of Arizona Form 285. Visit the Arizona Department of Revenue's official website to download the current form. Avoid using outdated templates found on third-party sites, which may cause processing delays or rejections.

Choose How You Want to Submit: Email, Fax, or Mail

  • Email: Submit a signed PDF version to POA@azdor.gov. Scan and attach the document directly. 
  • Fax: Send the form to the Department's secure fax line at (602) 716-6008.
  • Mail: Send the completed form to: Arizona Department of Revenue, ATTN: Power of Attorney, PO Box 29086, Phoenix, AZ 85038-9086. Allow extra time for delivery and processing via post.

How to Confirm Your Form Is Active

Once Form 285 has been submitted, any inquiries should be directed to the contact numbers provided in the ADOR instructions. Please have your taxpayer ID and the date of submission available when contacting them. 

Frequently Asked Questions

Can I use Form 285 for IRS tax matters?

No. Arizona Form 285 only applies to state tax matters with the Arizona Department of Revenue. If you need to authorize someone to deal with the Internal Revenue Service, you must use federal Form 2848 instead. Form 285 will not be valid for any IRS-related issues or communications. 

Can my representative sign my Arizona return?

No. Form 285 does not itself authorize an appointee to sign your original or amended tax returns. Signing authority would require separate legal authority where applicable, such as a court-appointed guardianship or conservatorship. Most tax professionals can prepare your return, but you are typically responsible for signing it.

Is a lawyer required to file a tax power of attorney?

No. You do not need a lawyer to complete or submit Arizona Form 285. Many taxpayers appoint a CPA or enrolled agent. The form is designed to be accessible without legal help, though if your situation is complex, getting professional advice may still be beneficial. Keep in mind that any appointee must meet the eligibility requirements under Rule 31.3(d) to represent you in administrative matters.

What happens if I file an incorrect version of Form 285?

Using the wrong version of Form 285, such as an outdated form, can delay processing or cause it to be rejected by the Arizona Department of Revenue. This may prevent your representative from accessing your tax records or speaking on your behalf. Always download the most current version directly from the ADOR website.

Can I appoint more than one representative?

Yes. Arizona Form 285 allows you to appoint more than one representative. If you are naming more than one appointee, you must attach an additional sheet with the required information for each person. Each representative will have access to your tax information only for the matters you specify. Clearly outline each person's authority to avoid confusion. 

What is the correct mailing address for Form 285?

The current mailing address per the official ADOR instructions is: Arizona Department of Revenue, ATTN: Power of Attorney, PO Box 29086, Phoenix, AZ 85038-9086. Note that older versions of the form listed a different PO Box number. Always verify the address against the current instructions before mailing.

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