To fill out an Ohio tax exemption certificate, choose the right form for how often you buy from the vendor, enter the purchaser and vendor information, check the specific legal reason for the exemption, describe the goods or services with real detail, and sign and date the certificate before handing it to the seller. Ohio uses two main forms: the STEC-B (Blanket Exemption Certificate) for ongoing purchases from the same vendor, and the STEC-U (Unit Exemption Certificate) for a single transaction.1Ohio Department of Taxation. ST 2005-02 – Exemption Certificate Forms Get any required field wrong or leave it blank and the certificate is invalid, which means the sale is treated as taxable.
Pick the Right Form First
Use the STEC-B when you expect to make repeated exempt purchases of the same type from the same seller. Once the vendor has your STEC-B on file, every qualifying purchase for the same exempt purpose is covered without new paperwork. Use the STEC-U for a one-time exempt purchase where you don’t expect to buy from that vendor again on an exempt basis.1Ohio Department of Taxation. ST 2005-02 – Exemption Certificate Forms The STEC-U has an extra field for the specific invoice or purchase order number tied to that single sale.
One boundary worth knowing: if you hold a direct pay permit from the Ohio Department of Taxation, you skip the STEC forms entirely. You give the vendor a copy of your direct pay authorization or the permit number and issue date, and you remit any tax directly to the state.
What to Have Ready Before You Start
Pulling these details together first makes it a one-pass job:
- The purchaser’s full legal name and address (business or organization claiming the exemption).
- The vendor’s legal name. On the STEC-B this locks the certificate to that specific seller.2Ohio Procurement Services. Sales and Use Tax Blanket Exemption Certificate
- A short description of your type of business, such as “wholesale distributor” or “nonprofit hospital.”
- Your Ohio vendor’s license number or consumer’s use tax account number, if you have one. The vendor’s license costs $50 through the county auditor; the consumer’s use tax account is free from the Department of Taxation.3Ohio Department of Taxation. Sales and Use Tax
- The specific legal basis for the exemption. Common categories include purchase for resale, use in manufacturing or agriculture, purchases by a government entity, and purchases by qualifying nonprofit or charitable organizations.4Ohio Legislative Service Commission. Ohio Revised Code Section 5739.02 – Levy of Sales Tax
Filling In Each Field
Download the current STEC-B or STEC-U from the Ohio Department of Taxation website. Start with the vendor’s name at the top. Then enter your organization’s legal name, type of business, and full address.
Next, mark the box for your reason for claiming the exemption. The form lists numbered categories. Check only the ones that actually apply to your intended use. If you’re buying for resale, check the resale category and stop there; don’t also check manufacturing because it sounds close.
Below the category list, describe the property or services you’re buying. Be specific. “Industrial cleaning solvents for resale” holds up in an audit. “Supplies” does not. Vague descriptions get certificates rejected during compliance reviews and can leave you owing the tax.
Enter your vendor’s license number or consumer’s use tax account number in the designated field if you have one. Not every exempt purchaser holds either — government entities and some nonprofits don’t — but include the number when you can, because it speeds up the vendor’s verification.
Signing and Dating the Certificate
An authorized representative of the purchasing organization signs the form and prints their name and title. Date the certificate. An undated form is treated as incomplete. Under Ohio’s administrative rules, a certificate missing any required element (name, address, reason for exemption, signature on a hard copy, or date) is invalid.5Ohio Legislative Service Commission. Ohio Administrative Code Rule 5703-9-03 – Sales and Use Tax Exemption Certificate Forms
Ohio accepts exemption certificates on paper or electronically.5Ohio Legislative Service Commission. Ohio Administrative Code Rule 5703-9-03 – Sales and Use Tax Exemption Certificate Forms A paper certificate needs a handwritten signature. The administrative rules don’t spell out a specific electronic-signature standard for electronically transmitted certificates, but every other required data element still has to be there for the certificate to be valid.
Getting the Certificate to Your Vendor
Hand the completed form to the vendor at or before the time of purchase. The certificate is a private record between you and the seller. It is not filed with the Ohio Department of Taxation. The vendor keeps it as legal justification for not collecting tax on the covered sale.
Ohio law gives the purchaser up to 90 days after the sale to provide the certificate. If the vendor still doesn’t have one by that deadline, the law presumes the sale is taxable.6Ohio Legislative Service Commission. Ohio Revised Code Section 5739.03 – Consumer to Pay Tax Report of Tax Exemption Certificates Handing it over at the register avoids the back-and-forth.
Keeping a Copy on Your End
Vendors have to keep exemption certificates for at least four years and make them available for inspection by the tax commissioner.7Ohio Legislative Service Commission. Ohio Revised Code Section 5739.11 – Records Keep your own copies for the same period. If an exemption is later found invalid, the buyer bears the tax liability, and having the certificate you provided makes it far easier to respond to a state inquiry.
A scanned PDF or the original electronic certificate saved in a folder organized by vendor name and year works. Whatever system you use, make sure files stay readable as your software changes and can be pulled up quickly.
If You Operate in Multiple States
Ohio accepts two multi-state formats instead of the STEC-B or STEC-U in some situations:
- The Streamlined Sales Tax Certificate. Ohio is a member of the Streamlined Sales and Use Tax Agreement, and its certificate is accepted for most exemption categories.1Ohio Department of Taxation. ST 2005-02 – Exemption Certificate Forms
- The Multistate Tax Commission Uniform Certificate. Ohio accepts this one only for two purposes: purchases for resale and purchases of items that will be incorporated into a product for sale.1Ohio Department of Taxation. ST 2005-02 – Exemption Certificate Forms
For any other exemption reason, including manufacturing, agriculture, or nonprofit status, use one of Ohio’s own STEC forms.
What Goes Wrong If You Claim an Exemption You Don’t Qualify For
If the Department of Taxation finds you claimed an exemption improperly, you owe the unpaid tax plus interest and penalties. Serious cases can bring criminal charges. Under Ohio law, a first offense for certain sales tax violations is a misdemeanor punishable by a fine of up to $100, up to 60 days in jail, or both. Repeat offenses and more egregious conduct, such as knowingly operating without a vendor’s license or failing to remit collected tax, can be charged as fourth-degree felonies and result in loss of the vendor’s license for at least two years after conviction.8Ohio Legislative Service Commission. Ohio Revised Code 5739.99 – Penalty
Only claim an exemption when the transaction genuinely qualifies, and check that every field on the certificate is accurate and complete before you sign.