To become a tax preparer in Ohio, you do not need a state license. What you need is a federal Preparer Tax Identification Number (PTIN) from the IRS, a registered business with the Ohio Secretary of State, and the right tax accounts set up with the Ohio Department of Taxation. If you plan to file returns electronically, you also need an IRS Electronic Filing Identification Number (EFIN). Everything else — credentials, insurance, continuing education — is optional at the state level but shapes what you can actually do for clients.
Here is what the path looks like in order.
Get a PTIN From the IRS
Anyone who prepares or helps prepare a federal tax return for pay must have a valid PTIN before working on a return.1Internal Revenue Service. PTIN Requirements for Tax Return Preparers The requirement sits in federal regulation at 26 CFR § 1.6109-2, and the PTIN becomes your primary identifier with the IRS.2GovInfo. 26 CFR 1.6109-2 Tax Return Preparers Furnishing Identifying Numbers
Apply online through the IRS Tax Professional PTIN System, or mail a paper Form W-12 if you don’t mind waiting about six weeks. Before you start, have your Social Security number, personal contact information, and details from your most recent individual tax return ready — the IRS uses that data to verify your identity. The fee for a new PTIN or a renewal is $18.75, payable by credit card, debit card, or electronic check, and it is non-refundable.3Internal Revenue Service. IRS Reminds Tax Pros to Renew PTINs for the 2026 Tax Season
Every PTIN expires on December 31. The renewal window opens in mid-October for the following tax year.4Internal Revenue Service. Frequently Asked Questions: PTIN Application/Renewal Assistance A lapsed PTIN means you cannot legally sign returns as a paid preparer.
Register Your Business With the Ohio Secretary of State
Ohio has no separate tax-preparer license, but you still need a formal business structure before taking on clients. Most preparers choose a sole proprietorship, a limited liability company, or a professional corporation.
If you form an LLC, file Articles of Organization through the Ohio Secretary of State’s online business filings portal. The standard filing fee is $99.5Ohio Secretary of State. Filing Forms and Fee Schedule A sole proprietor operating under any name other than their own legal name registers a trade or fictitious name through the same portal.6Ohio Secretary of State. Business Central Forms
Standard filings are processed in the order received. If you need faster turnaround, Ohio sells three expedited tiers on top of the normal fee: two-business-day processing for $100, one-business-day processing for $200, and four-business-hour processing for $300.7Ohio Legislative Service Commission. Rule 111:1-2-01 Corporations Expedited Filing
Set Up Your Ohio Tax Accounts
Once the Secretary of State confirms your registration, go to OH|TAX eServices at the Ohio Department of Taxation to register for any state tax accounts your practice needs. You will need your Federal Employer Identification Number (FEIN), your legal business name, and an email address.
If you plan to hire employees, register for an employer withholding account within 15 days of when your withholding obligation begins.8Ohio Department of Taxation. Employer Withholding Ohio also levies a Commercial Activity Tax on businesses with more than $6 million in annual Ohio taxable gross receipts, and crossing that threshold triggers a 30-day registration window.9Ohio Department of Taxation. Commercial Activity Tax (CAT) Most solo preparers stay well below that level, but it belongs on your radar as revenue grows.
One quirk of practicing in Ohio: the local income tax system is dense. Many municipalities contract their income tax collection out to the Regional Income Tax Agency (RITA) or the Central Collection Agency (CCA), each covering a different set of cities and villages. On top of that, Ohio has a School District Income Tax, where individual districts set their own rates and have unique district codes that must appear on client returns.10Ohio Department of Taxation. Summary of School District Income Tax Changes Effective Calendar Year 2026 You will need working familiarity with both the municipal collectors and the school district codes to file accurate Ohio returns.
Apply for an EFIN if You Will E-File
Virtually every working preparer e-files, and e-filing requires an Electronic Filing Identification Number in addition to your PTIN. There is no fee for the EFIN itself.11Internal Revenue Service. FAQs About Electronic Filing Identification Numbers (EFIN) Apply through the IRS e-services portal. The application triggers a suitability check that reviews your credit history, tax compliance, criminal background, and any prior issues with IRS e-file requirements.12Internal Revenue Service. Apply to Be an IRS Authorized E-file Provider in a Few Simple Steps
If you are not already a licensed attorney or certified public accountant, you must also schedule a fingerprinting appointment with an IRS-authorized vendor. The fingerprinting is free.13Internal Revenue Service. Become Authorized as an IRS E-file Provider in Just a Few Simple Steps Processing can take up to 45 days.14Internal Revenue Service. Become an Authorized E-file Provider Apply well before filing season — waiting until December can leave you without an EFIN when returns start coming in.
Decide Whether a Credential Is Worth Your Time
A PTIN lets you prepare and sign federal returns. It does not let you represent clients before the IRS in audits, appeals, or collections. Without an additional credential, that representation door is closed.
Annual Filing Season Program
The IRS Annual Filing Season Program (AFSP) is a voluntary program for non-credentialed preparers. To earn the Record of Completion, you take 18 hours of continuing education each year, including a six-hour Annual Federal Tax Refresher course with a test, plus 12 additional hours of IRS-approved CE.15Internal Revenue Service. Annual Filing Season Program Preparers with certain existing credentials are exempt from the refresher course and complete 15 hours instead.16IRS.gov. Publication 6026 – 2025 Annual Federal Tax Refresher (AFTR) Course
You also renew your PTIN and agree to follow the practice standards in Circular 230, Subpart B. In return, you get listed in the IRS public directory of tax return preparers and gain limited representation rights for returns you prepared and signed, meaning you can speak with revenue agents and customer service representatives on those returns.15Internal Revenue Service. Annual Filing Season Program
Enrolled Agent
For full representation rights, the Enrolled Agent designation is the direct path. An EA can represent any taxpayer on any IRS matter, regardless of who prepared the return. You need a valid PTIN, you pass the three-part Special Enrollment Examination (individual taxation, business taxation, and representation practices) within three years, you apply for enrollment on Form 23 and pay the fee, and you pass a suitability check covering your tax compliance and criminal history.17Internal Revenue Service. Become an Enrolled Agent
Rules That Start Applying the Moment You Charge
Opening for business brings a set of federal obligations that have nothing to do with your Ohio registration.
Due Diligence on Certain Credits
If your client claims the Earned Income Credit, the Child Tax Credit (including the Additional Child Tax Credit and the Other Dependent Credit), the American Opportunity Tax Credit, or Head of Household filing status, you must complete and file Form 8867 with the return, verify eligibility, keep records of what you relied on, and confirm you have no reason to know the claim is wrong.18Internal Revenue Service. Instructions for Form 8867
The penalty for falling short is $650 per credit or filing status for returns filed in 2026. One return claiming all four benefits with a due diligence failure on each one is $2,600 in preparer penalties, and you cannot pass them on to the taxpayer.18Internal Revenue Service. Instructions for Form 8867
Understatement and Procedural Penalties
If you prepare a return that understates tax because of an unreasonable position you knew or should have known about, the penalty is the greater of $1,000 or 50 percent of the income you earned from that return. Willful or reckless conduct raises that to the greater of $5,000 or 75 percent.19Office of the Law Revision Counsel. 26 U.S. Code 6694 – Understatement of Taxpayer’s Liability by Tax Return Preparer
Smaller procedural failures carry a $50 penalty each, capped at $25,000 per calendar year, and they cover basics like signing the return, putting your PTIN on it, giving the client a copy, and keeping copies or a list of returns prepared.20Office of the Law Revision Counsel. 26 USC 6695 – Other Assessable Penalties With Respect to the Preparation of Tax Returns for Other Persons Reasonable cause is a defense; neglect is not.
Data Security
The FTC Safeguards Rule (16 CFR Part 314) treats tax preparers as financial institutions and requires a written information security program scaled to your business. A solo office counts. The rule covers risk assessment, encryption, multi-factor authentication, secure disposal, staff training, vendor oversight, an incident response plan, and annual reporting from a designated Qualified Individual.21Federal Trade Commission. FTC Safeguards Rule: What Your Business Needs to Know Build the program before you open; retrofitting it after a breach or an FTC inquiry is far more expensive.
Recordkeeping
Federal law requires you to keep a copy of every return you prepare, or a list containing the taxpayer’s name, identification number, tax year, and return type, for at least three years after the close of the return period.20Office of the Law Revision Counsel. 26 USC 6695 – Other Assessable Penalties With Respect to the Preparation of Tax Returns for Other Persons Three years aligns with the general IRS statute of limitations for income tax audits, though six or seven years is wiser when returns involve underreported income or loss deductions.22Internal Revenue Service.