To become a tax preparer in Arizona, you need federal credentials rather than a state license: get a Preparer Tax Identification Number (PTIN) from the IRS, apply for an Electronic Filing Identification Number (EFIN) so you can transmit returns, put a written data security plan in place before you take a client, and then register your business with Arizona. Arizona does not issue a license for general tax preparers and does not require a state exam, which lowers the barrier to entry but puts the full weight of compliance on the federal rules.
Step One: Get a PTIN From the IRS
The PTIN is the entry ticket. No paid preparer can sign or submit a federal return without one, and the IRS treats preparing returns for compensation without a PTIN as a sanctionable offense. Most first-time applicants finish the online application through the IRS Tax Professional PTIN System in about 15 minutes.
Before you start, gather your Social Security number, legal name, date of birth, mailing address, and the details from your most recent personal tax return (name, address, and filing status as filed). You’ll also need to disclose any felony convictions or unresolved problems with your own tax obligations.1Internal Revenue Service. PTIN Application Checklist: What You Need to Get Started The application ends with an $18.75 payment by credit, debit, or ATM card. That fee is non-refundable and must be renewed annually.2Internal Revenue Service. Frequently Asked Questions: PTIN Application/Renewal Assistance
If you prefer paper, IRS Form W-12 does the same job but takes about six weeks to process. Mail the completed form and payment to the IRS Tax Pro PTIN Processing Center in San Antonio, Texas.3Internal Revenue Service. PTIN Requirements for Tax Return Preparers
What Arizona Does and Doesn’t Require
Arizona does not issue a state license for general tax preparers. You won’t sit for a state exam or register with a state board just to prepare returns. The Arizona Board of Accountancy exists under A.R.S. Title 32, Chapter 7, but it regulates Certified Public Accountants.4Arizona Legislature. Arizona Revised Statutes Title 32-703 – Powers and Duties; Rules; Executive Director; Advisory Committees and Individuals Unless you hold yourself out as a CPA, that board has no authority over your practice.
The absence of a state license does not loosen the federal rules. Every PTIN holder in Arizona must still follow IRS and Federal Trade Commission requirements on e-filing authorization, data security, record retention, and due diligence. Arizona’s general consumer protection laws also apply to how you deal with clients.
Step Two: Apply for an EFIN So You Can E-File
Nearly all clients expect electronic filing, and you’ll need an Electronic Filing Identification Number to transmit returns digitally. The application is separate from your PTIN and goes through the IRS e-services portal. The background screening is more thorough than the PTIN process. Applicants who aren’t already credentialed as CPAs, attorneys, or enrolled agents must submit fingerprints through an IRS-authorized vendor.5Internal Revenue Service. Become an Authorized E-File Provider
The IRS can take up to 45 days from submission to approve an EFIN application, so build that lead time into your launch plan. If you’re opening a practice ahead of filing season, apply no later than early December. Otherwise you may be unable to e-file when clients start arriving in January.5Internal Revenue Service. Become an Authorized E-File Provider
Step Three: Write a Data Security Plan Before Your First Client
This is the requirement most new preparers either don’t know about or assume doesn’t apply to small operations. It does. Under the Gramm-Leach-Bliley Act, the IRS and FTC classify every paid tax preparer as a financial institution for data security purposes, regardless of firm size. That means you need a Written Information Security Plan (WISP) before you prepare your first return.6Internal Revenue Service. IRS, Security Summit Remind Tax Pros They Must Have a Written Information Security Plan to Protect Client Data
The FTC’s Safeguards Rule spells out what the plan must cover. You need to designate someone responsible for your security program (in a solo practice, that’s you), conduct a written risk assessment, and implement specific safeguards: encryption of client data in storage and in transit, multi-factor authentication for systems that access client information, access controls limiting who can reach sensitive data, and secure disposal of client information you no longer need.7Federal Trade Commission. FTC Safeguards Rule: What Your Business Needs to Know
The rule also requires annual penetration testing if you don’t use continuous monitoring, vulnerability scans at least every six months, and staff security training. A one-person firm still has to document these steps. A data breach without a WISP in place exposes you to FTC enforcement action on top of the damage of losing client Social Security numbers and financial records.7Federal Trade Commission. FTC Safeguards Rule: What Your Business Needs to Know
Step Four: Decide Whether to Add a Voluntary Credential
A PTIN alone lets you prepare and sign returns, but it gives you no authority to represent clients if the IRS has questions. Two voluntary credentials change that.
Annual Filing Season Program
The IRS Annual Filing Season Program (AFSP) is designed for non-credentialed preparers who want to show competency without pursuing a full professional designation. You complete 18 hours of continuing education each year from IRS-approved providers:
- Six hours of an Annual Federal Tax Refresher course that ends with a knowledge-based test
- Ten hours of other federal tax law topics of your choosing
- Two hours of ethics
Completing these hours earns you a Record of Completion, which grants limited representation rights. You can represent clients before revenue agents, customer service representatives, and the Taxpayer Advocate Service, but not before appeals officers, settlement officers, revenue officers, or IRS counsel.8Internal Revenue Service. General Requirements for the Annual Filing Season Program Record of Completion You also have to renew your PTIN and consent to Circular 230 obligations for the program to count.9Internal Revenue Service. Annual Filing Season Program
Enrolled Agent
Enrolled Agent (EA) status is the highest credential the IRS grants, giving you unlimited representation rights before every level of the agency, including appeals, collections, and counsel. It’s a federal designation governed by Treasury Department Circular 230.
The path runs through the Special Enrollment Examination, a three-part test covering Individuals, Businesses, and Representation, Practices, and Procedures. Each part costs $267 to sit for and is administered as a computer-based, multiple-choice exam. Beginning in March 2026, the testing vendor transitions from Prometric to PSI Services, with scheduling for the 2026 test cycle opening on May 1, 2026.10Internal Revenue Service. Enrolled Agents: Frequently Asked Questions You don’t have to pass all three parts at once, and many candidates spread them across two or three testing windows. Once you pass, you apply for enrollment with the IRS and commit to 72 hours of continuing education every three years.
Step Five: Set Up Your Arizona Business
Once your federal credentials are in order, a few state-level steps formalize your business in Arizona.
Trade Name Registration
If you operate under any name other than your own legal name, register a trade name with the Arizona Secretary of State. This filing creates a public record of your business name under A.R.S. §§ 44-1460 through 44-1460.07, though it doesn’t grant exclusive rights to the name or create a legal entity like an LLC or corporation. The registration lasts five years. You get a six-month window before expiration to renew; miss it and someone else can register the name.11Arizona Secretary of State. Trade Names and Trademarks Filing a trade name is not legally required, but it’s standard practice and costs $10.
Transaction Privilege Tax License
Arizona’s Transaction Privilege Tax applies to certain business activities. Professional services like tax preparation are generally exempt. If you sell tax software, physical products, or other tangible goods alongside preparation services, you may need a TPT license through the Arizona Department of Revenue at $12 per location.12Arizona Legislature. Arizona Revised Statutes Title 42-5001 – Definitions Failing to register when required exposes you to a penalty of 25% of the tax owed under A.R.S. § 42-1125.
Professional Liability Insurance
Arizona doesn’t require tax preparers to carry errors and omissions insurance, but operating without it is a gamble that experienced preparers rarely take. A single client alleging a missed deduction or a filing error that triggers penalties can generate legal costs well above a year of preparation fees. E&O coverage typically pays for your defense attorney, expert witnesses, court costs, and any settlement. For a solo preparer, annual premiums generally run in the low four figures, though your rate depends on return volume, the types of returns you handle, and your claims history. Get a quote before your first filing season so you can factor the cost into your pricing.
Ongoing Duties After You Open
Record Retention
Federal law requires you to keep a copy of every return you prepare, or at minimum a record of the client’s name, taxpayer identification number, taxable year, and type of return, for three years after the close of the return period in which the return was signed.13eCFR. 26 CFR 1.6107-1 – Tax Return Preparer Must Furnish Copy of Return or Claim for Refund to Taxpayer and Must Retain a Copy or Record Many preparers keep records longer for liability protection, but three years is the federal floor.
Circular 230 also requires you to return client records promptly on request. If a client wants their W-2s, receipts, or prior-year returns back, you must hand them over even if the client owes you money. A fee dispute does not override this duty, though Arizona state law may let you retain copies while returning the originals the client needs to meet filing obligations.14eCFR. Section 10.28 – Return of Client’s Records
Penalty Exposure
The penalty structure is steeper than most newcomers realize, and “I didn’t know” is not a defense. Preparing without a PTIN or failing to sign a return costs $50 per failure, capped at $25,000 per calendar year, with the base amounts subject to inflation adjustments.15Office of the Law Revision Counsel. 26 U.S. Code 6695 – Other Assessable Penalties With Respect to the Preparation of Tax Returns for Other Persons Taking an unreasonable position that causes an understatement costs the greater of $1,000 or 50% of the income you earned from that return; willful or reckless conduct raises that to the greater of $5,000 or 75% of the income from the return.16Office of the Law Revision Counsel. 26 U.S. Code 6694 – Understatement of Taxpayer’s Liability by Tax Return Preparer
Pay special attention to due diligence on the credits new preparers see most often. For every return claiming the Earned Income Tax Credit, Child Tax Credit, American Opportunity Tax Credit, or head-of-household filing status, you must complete Form 8867 documenting that you asked the right questions and verified the information. Skipping the form, even when the client’s claim is legitimate, triggers a $650 penalty per failure for returns filed in 2026. A single return claiming all four triggers up to $2,600.17Internal Revenue Service. Consequences of Not Meeting the Due Diligence Requirements
Beyond dollar penalties, the IRS Office of Professional Responsibility can sanction preparers under Circular 230 for ethical violations, up to and including suspension or disbarment from practice before the IRS.18Internal Revenue Service. Treasury Department Circular No. 230 These sanctions reach anyone who practices before the IRS, including AFSP holders and enrolled agents.