Ohio Form UST-1 is the Universal Sales Tax Return that every Ohio vendor with an active vendor’s license must file with the Ohio Department of Taxation to report gross sales, taxable sales, and the state plus county sales tax collected during a reporting period. Vendors file UST-1 electronically through the Ohio Business Gateway or by TeleFile at 1-800-697-0440, and paper filing is reserved for narrow hardship cases under Ohio Revised Code 5739.12.
Filing the UST-1 wrong costs Ohio vendors millions each year, since the Department of Taxation reports that more than 300,000 active vendor’s licenses exist in the state and late or incorrect returns trigger a penalty of up to 50% of the tax due under ORC 5739.133. You will walk away from this guide with a calm, confident, line-by-line plan.
- 🧾 How to break down gross sales, exempt sales, and net taxable sales without double-counting
- 🗺️ How to allocate tax to each Ohio county on the UST-1 county schedule
- 💰 How to claim the 0.75% vendor’s discount on line 6 the right way
- ⏰ How to hit the 23rd-of-the-month deadline and avoid late penalties
- 🧠 How to fix a return you already filed using Form UST-1X
What Form UST-1 Is and Who Must File It
Ohio Form UST-1 is the monthly or semi-annual sales tax return that every holder of a regular vendor’s license must file under Ohio Revised Code 5739.12, the statute that requires vendors to remit collected sales tax to the state. The form reports the vendor’s total gross sales, the portion that is taxable, the state sales tax of 5.75%, and the county and transit authority taxes that bring most Ohio rates to between 6.5% and 8%. The Ohio Department of Taxation then distributes the county portion back to each county listed on the schedule.
Anyone who sells tangible personal property at retail in Ohio, or who provides taxable services such as landscaping, towing, or building maintenance under ORC 5739.01(B), must hold a vendor’s license and file UST-1. This includes brick-and-mortar retailers, restaurants, online sellers with Ohio nexus, mobile food trucks, and service vendors. A vendor who has no sales for a period still must file a “zero return” because failure to file at all triggers a late penalty even when no tax is owed.
The agency that receives UST-1 is the Ohio Department of Taxation, Sales and Use Tax Division. The deadline is the 23rd day of the month following the reporting period, and the late penalty is the greater of $50 or up to 50% of the tax due under ORC 5739.133. Interest accrues from the original due date at the rate set each year by the Tax Commissioner under ORC 5703.47.
Vendors who collect more than $75,000 in Ohio sales tax in the prior calendar year are pushed onto an accelerated EFT filing schedule, which adds a 75% pre-payment requirement before the 23rd. Out-of-state sellers that meet the economic nexus thresholds in ORC 5741.01(I) — $100,000 in Ohio sales or 200 transactions — generally file the matching seller’s use tax return (UUT-1) instead, but many register voluntarily for a vendor’s license and use UST-1.
Before You Start: Documents and Information You Need
Gathering the right documents before you open the Ohio Business Gateway saves you from filing errors that the Department of Taxation will catch through its automatic cross-match with your prior returns and 1099-K data. The list below is the minimum every vendor needs in front of them before starting line 1. Missing even one item can force you to abandon the session and lose unsaved work.
- Vendor’s license number. This is your 8-digit Ohio account number issued under ORC 5739.17. Without it the Gateway will not let you start a UST-1.
- Federal Employer Identification Number (FEIN) or SSN. The state cross-checks this against IRS records, and a mismatch holds the return for manual review.
- Reporting period dates. Confirm whether you are a monthly or semi-annual filer; filing the wrong period creates a duplicate return that must be voided.
- Gross sales total. Pull the gross sales figure from your point-of-sale or accounting software for the exact reporting period, before any deductions.
- Exempt sales records. Keep Ohio Form STEC-B exemption certificates on file for every exempt sale; auditors disallow exempt sales without a valid certificate.
- County-by-county sales breakdown. Destination-based sourcing under ORC 5739.033 means you owe tax to the county where the buyer takes delivery, not where your store sits.
- Current county tax rates. Use the Ohio rate finder tool to confirm rates, since counties adjust them each January and July.
- Bank routing and account numbers. ACH debit through the Gateway is the default; without these numbers you cannot complete the payment step.
- Prior period’s UST-1. A copy of last period’s return helps you reconcile any rolled-over adjustments and avoid duplicating reported sales.
- Accelerated payment confirmation (if applicable). EFT filers need their pre-payment confirmation number to claim the credit on line 5.
Where to Get the Form and How to Access It
Most Ohio vendors never touch a paper UST-1 because the state mandates electronic filing for almost every active license under ORC 5739.12(B). The official electronic version lives inside the Ohio Business Gateway sales tax module, and the form auto-populates your business name, address, and license number from your registered profile. Logging in requires an OH|ID account, which any owner or authorized filer can create at no cost.
The second channel is Ohio TeleFile at 1-800-697-0440, a touch-tone phone system available 24 hours a day for vendors with simple, single-county returns. TeleFile walks you through the same line numbers as the Gateway, but it cannot handle multi-county schedules or accelerated payments. Vendors with sales in more than one county must use the Gateway instead.
The paper Form UST-1 PDF is published by the Ohio Department of Taxation and carries a revision date in the bottom-left corner; always confirm you are using the current revision before mailing. Paper filing is allowed only for vendors who have received a written waiver of the e-file mandate, usually for documented hardship such as no internet access. The mailing address printed on the current UST-1 is Ohio Department of Taxation, P.O. Box 16560, Columbus, OH 43216-6560.
A fourth option exists for high-volume filers: bulk XML upload through the Gateway’s EDI/bulk filing service. Accountants who file UST-1 returns for many clients use this channel to submit dozens of returns at once. The file format follows the FSET schema published by the Federation of Tax Administrators.
Step-by-Step: How to Fill Out Form UST-1 Line by Line
The UST-1 is short — one page on paper, about a dozen fields in the Gateway — but every field interacts with the next, so a mistake on line 1 cascades down to the tax due on line 8. Walk through each field below in the exact order it appears on the official UST-1 PDF. Use the field labels and box numbers verbatim, because the Department of Taxation’s automated review flags any return whose totals do not match the labeled boxes.
Vendor’s License Number
The vendor’s license number field asks for the 8-digit account number the state issued when you registered your business under ORC 5739.17. Enter the number with no dashes, spaces, or letters; the Gateway pre-fills this from your OH|ID profile, and TeleFile asks you to key it in at the start of the call. Maria Lopez, owner of Lopez Boutique in Cleveland, enters 99123456 in this field.
If you operate more than one location under separate licenses, double-check that the license you select matches the location whose sales you are reporting. Filing one location’s sales under another’s license is the single most common error for multi-store retailers, and it requires a UST-1X amendment to correct.
A common misconception is that the federal EIN can substitute for the vendor’s license number. It cannot — the state uses the vendor’s license number as the primary key for sales tax accounts, and an EIN entered here will reject the return.
Reporting Period
The reporting period field asks which month or half-year the return covers, and it must match the period on file with the Department of Taxation. Monthly filers enter a single month such as April 2026; semi-annual filers enter the six-month range. The Gateway picks this from a dropdown, while TeleFile asks you to key the month and year as MMYY.
If you change filing frequency mid-year — for example, the state moves you from semi-annual to monthly because your tax liability grew — file under the new frequency starting the effective date in your written notice. Filing under the old frequency after the change creates a duplicate and a missed return for the new period, both of which trigger the $50 minimum penalty.
A common misconception is that the reporting period is the month you file in. It is the month the sales happened, not the month you push the button. April sales are reported on the UST-1 due May 23.
Line 1 — Gross Sales
Line 1 asks for total gross sales of tangible personal property and taxable services for the reporting period, before any deductions. Enter the dollar amount rounded to the nearest whole dollar; do not include cents, and do not include sales tax collected. Carlos Reyes, who runs an online clothing store with $42,318.55 in gross sales for April, enters 42319 on line 1.
A frequent edge case is whether to include shipping charges. In Ohio, shipping is part of the price under ORC 5739.01(H)(1)(a)(iv), so include it in gross sales when the underlying item is taxable. Cash discounts you actually gave to the buyer are excluded from gross sales because they reduce the price.
The most common mistake on line 1 is reporting net sales after exemptions, which makes the rest of the return mathematically inconsistent and pulls the file into manual review. The misconception that “gross sales” means only taxable sales costs vendors hours of audit defense — gross means everything, including exempt sales, services, and shipping.
Line 2 — Exempt Sales
Line 2 asks for the portion of line 1 that is exempt from sales tax, such as resale sales, manufacturing exemptions, and sales to qualified nonprofits. Enter the dollar amount of exempt sales for which you hold a valid STEC-B or STEC-U exemption certificate. Aisha Patel, who sells fabric wholesale to other retailers, enters 8500 on line 2 to reflect $8,500 of resale sales.
A nuance is that out-of-state sales delivered outside Ohio are not “exempt” — they are simply not Ohio sales at all and should not appear on line 1 in the first place. Including them and then backing them out on line 2 creates a paper trail that can mislead an auditor.
The most common mistake is claiming an exemption without a signed certificate on file, which the Department of Taxation will disallow on audit and assess back tax plus interest. The misconception that food is “always exempt” trips up grocers — prepared food, soft drinks, and dietary supplements are taxable under ORC 5739.02(B)(2).
Line 3 — Net Taxable Sales
Line 3 asks for line 1 minus line 2, the portion of your gross sales that is actually subject to sales tax. The Gateway calculates this automatically; on paper or TeleFile you must subtract by hand. Janet Williams, whose café had $20,000 in gross sales and $0 in exempt sales, enters 20000 on line 3.
Negative numbers are not allowed on line 3. If your exemptions exceed gross sales because of a returned wholesale order, the correct fix is to amend the prior period’s return rather than reporting a negative on the current one.
The common mistake is forgetting to recompute line 3 after correcting line 1 or line 2 on a paper return, which leaves the math inconsistent and forces a Department review. The misconception that line 3 should equal “what I rang up as taxable at the register” is wrong — it must equal line 1 minus line 2 exactly.
Line 4 — Tax Liability (State + County)
Line 4 asks for the total state and local sales tax due on the net taxable sales reported in line 3. The Gateway pulls this from the county schedule below, summing 5.75% state tax plus each county’s piggyback rate. Marcus Johnson, with $20,000 in taxable sales all sourced to Franklin County at 7.5%, sees 1500 auto-fill on line 4.
A nuance is that the “tax liability” is what you should have collected, not what you actually collected. If you under-collected, you still owe the full amount; if you over-collected, you owe the higher amount under ORC 5739.13. The state does not let you keep over-collected tax.
The most common mistake is using a single statewide rate of 5.75%. Counties add 0.75% to 2.25% of their own, and using 5.75% alone underpays every return. The misconception that “I’ll just true it up next month” creates a chronic underpayment pattern that flags the account for audit.
Line 5 — Accelerated Payment Credit
Line 5 asks for any accelerated EFT pre-payment you already remitted earlier in the period, which the state credits against your final liability. Only vendors on the EFT-accelerated schedule under ORC 5739.122 use this line; all others enter 0. Lopez Boutique, an accelerated filer, pre-paid $3,750 on April 23 and enters 3750 on line 5 of the April return.
A nuance is that the pre-payment must equal at least 75% of the anticipated final liability, or the state assesses an underpayment penalty even though the return itself is on time. Round up rather than down to stay safely above the 75% floor.
The most common mistake is double-counting the pre-payment by also reducing line 4, which causes a refund the state will later claw back with interest. The misconception that line 5 is “optional” is wrong — accelerated filers must enter the pre-payment, even if it is zero, to keep the math right.
Line 6 — Vendor’s Discount (0.75%)
Line 6 asks for the vendor’s discount, a small commission the state pays you for collecting and remitting tax on time under ORC 5739.12(B). Multiply line 4 by 0.0075 and enter the result, rounded to the nearest cent. Carlos Reyes, with $1,200 of tax on line 4, enters 9.00 on line 6 (1200 × 0.0075).
The discount is forfeited if the return is filed even one day late or paid late. The Gateway zeroes out line 6 automatically when it detects a late filing, so do not try to claim it manually.
The most common mistake is calculating the discount on line 1 (gross sales) instead of line 4 (tax due), which inflates the discount by more than tenfold and triggers an automatic adjustment notice. The misconception that the discount is “free money” misses that it exists to offset your bookkeeping costs and is reported as income on your federal return.
Line 7 — Additional Charge (Late Filing)
Line 7 asks for any additional charge imposed for late filing, which is the greater of $50 or 10% of the tax due, up to a maximum of 50% under ORC 5739.133. On-time filers enter 0; the Gateway computes this automatically when a return is past due. Aisha Patel, who files her April return on May 30 (one week late) with $400 of tax due, sees 50 auto-fill on line 7 because $50 exceeds 10% of $400.
A nuance is that the Tax Commissioner may waive the penalty for reasonable cause, such as a documented natural disaster or serious illness, but you must request the waiver in writing under Ohio Adm. Code 5703-9-04. The waiver is not automatic.
The most common mistake is ignoring line 7 on a late return, which leaves an underpayment that compounds with interest. The misconception that “the state won’t notice a few days late” is wrong — the Gateway date-stamps every submission, and assessments go out automatically.
Line 8 — Net Amount Due
Line 8 is the bottom line: line 4 minus line 5 minus line 6, plus line 7. This is the amount you actually pay with the return. Marcus Johnson’s net amount due is $1,500 − $0 − $11.25 + $0 = $1,488.75, which he enters as 1488.75 on line 8.
A nuance is that if line 8 comes out negative because of an overpayment or large pre-payment, the state issues a credit, not a refund check, that carries forward to next period. To get a refund instead of a credit, you file a separate Form ST-AR refund application.
The most common mistake is paying a different amount than line 8, which creates an unmatched payment that sits in suspense until you call the Department. The misconception that line 8 includes use tax is wrong — consumer’s use tax is reported on a different return, the UUT-1.
County Schedule (Schedule of County Sales)
The county schedule asks you to allocate net taxable sales (line 3) across each Ohio county where the sale was sourced under destination-based sourcing rules in ORC 5739.033. For each county, enter the county code, the taxable sales, and the tax due at that county’s rate. The Gateway lists all 88 counties in a dropdown. An online seller who shipped $5,000 to Cuyahoga (08) and $15,000 to Franklin (25) enters two rows on the schedule.
A nuance is that pickup orders are sourced to your store, while delivered orders are sourced to the buyer’s address. This split is the single biggest source of audit adjustments for omnichannel retailers. Use your shipping system’s ZIP-to-county lookup, or the Ohio rate finder, to assign each sale.
The most common mistake is dumping every sale into the seller’s home county, which under-funds destination counties and overpays the home county. The Department of Taxation cross-matches reported county sales against shipping data and issues assessments. The misconception that “Ohio is one statewide rate” misses that each county sets its own piggyback rate, and getting that wrong on the schedule means line 4 is wrong too.
Signature and Authorized Filer
The signature block asks the owner, officer, or authorized filer to sign under penalty of perjury that the return is true and correct. On the Gateway, this is an electronic signature tied to your OH|ID; on paper, it is a wet-ink signature on the bottom of the form. Janet Williams signs as “Janet Williams, Owner” on the paper UST-1.
A nuance is that a paid preparer must enter their PTIN and sign the preparer block beneath the owner’s signature. Filing without the preparer block, when one was paid, can complicate the preparer’s own IRS Circular 230 compliance.
The most common mistake is leaving the signature block blank on a paper return, which the Department treats as an unfiled return and bounces back. The misconception that an electronic submission “doesn’t need a signature” is wrong — the OH|ID login itself counts as the signature, and using someone else’s login is treated as forgery.
Three Filled-Out Examples Using Real Scenarios
The three scenarios below walk three different vendors through every major section of the UST-1 so you can see what real entries look like. Each scenario uses a named filer, a realistic dollar figure, and the destination-sourcing rules from ORC 5739.033. Match your business model to the closest scenario before starting your own return.
Scenario 1 — Maria Lopez, Single-County Brick-and-Mortar Boutique
Maria runs Lopez Boutique in Cleveland, Cuyahoga County, and all of her sales for April 2026 happened at the register inside her store.
| Form Section | What Maria Enters |
|---|---|
| Vendor’s License Number | 99123456 |
| Reporting Period | April 2026 |
| Line 1 — Gross Sales | 18000 |
| Line 2 — Exempt Sales | 0 |
| Line 3 — Net Taxable Sales | 18000 |
| County Schedule — Cuyahoga (08) | 18000 taxable, 1485.00 tax at 8.25% |
| Line 4 — Tax Liability | 1485.00 |
| Line 6 — Vendor’s Discount | 11.14 |
| Line 8 — Net Amount Due | 1473.86 |
Scenario 2 — Carlos Reyes, Multi-County Online Seller
Carlos operates an online clothing store from Columbus and ships statewide. April 2026 sales sourced to three counties.
| Form Section | What Carlos Enters |
|---|---|
| Vendor’s License Number | 88456789 |
| Reporting Period | April 2026 |
| Line 1 — Gross Sales | 42319 |
| Line 2 — Exempt Sales | 2000 |
| Line 3 — Net Taxable Sales | 40319 |
| County Schedule — Franklin (25) | 20000 at 7.5% = 1500.00 |
| County Schedule — Hamilton (31) | 12000 at 7.8% = 936.00 |
| County Schedule — Cuyahoga (08) | 8319 at 8.25% = 686.32 |
| Line 4 — Tax Liability | 3122.32 |
| Line 6 — Vendor’s Discount | 23.42 |
| Line 8 — Net Amount Due | 3098.90 |
Scenario 3 — Aisha Patel, Restaurant with Mixed Taxable and Exempt Sales
Aisha owns a café in Toledo, Lucas County, that sells dine-in meals (taxable), to-go grocery items (exempt), and catering to a nonprofit holding a STEC-B.
| Form Section | What Aisha Enters |
|---|---|
| Vendor’s License Number | 77234561 |
| Reporting Period | April 2026 |
| Line 1 — Gross Sales | 35000 |
| Line 2 — Exempt Sales | 9500 |
| Line 3 — Net Taxable Sales | 25500 |
| County Schedule — Lucas (48) | 25500 at 7.75% = 1976.25 |
| Line 4 — Tax Liability | 1976.25 |
| Line 6 — Vendor’s Discount | 14.82 |
| Line 7 — Additional Charge | 0 |
| Line 8 — Net Amount Due | 1961.43 |
How to File the Completed Form
Ohio offers four filing channels for UST-1, and each has its own URL or address, fee, payment method, processing time, and proof-of-filing. Pick the channel that matches your filing volume and complexity. The state strongly prefers electronic filing because it reduces processing time from weeks to minutes.
Ohio Business Gateway (online). File at gateway.ohio.gov using your OH|ID. There is no filing fee. Payment is by ACH debit, ACH credit, or credit card (a third-party convenience fee applies). Processing is real-time, and your proof of filing is the confirmation number that appears on the screen and in the email receipt. Save both.
TeleFile (phone). Call 1-800-697-0440 any time, day or night. There is no fee. Payment is by ACH debit only, drawn from the bank account you set up during the call. Processing is real-time, and your proof of filing is the spoken confirmation number — write it down immediately because TeleFile does not email it.
Paper UST-1 (mail). Mail the signed paper UST-1 PDF with a check made payable to “Ohio Treasurer of State” to Ohio Department of Taxation, P.O. Box 16560, Columbus, OH 43216-6560. There is no filing fee, but you must have a written e-file waiver. Processing takes four to six weeks; your proof of filing is your certified mail receipt and the canceled check.
Bulk XML (accountants). Upload via the Gateway’s bulk filing service using the FSET schema. There is no fee. Payment is by ACH debit per return. Processing is real-time, and the proof of filing is the batch confirmation file the Gateway returns.
What Happens After You File
After you submit UST-1, the Ohio Department of Taxation runs an automated math and consistency check that flags missing signatures, math errors, and county totals that do not equal line 4. If everything matches, the return posts to your account within 48 hours and you receive a confirmation in the Gateway message center. If something does not match, you get a notice of adjustment and a 30-day window to respond.
Payments by ACH debit clear within two business days, while paper checks take four to six weeks. Until your payment clears, the Gateway shows a “pending” balance on the account. Do not file a second return to fix this; it just creates a duplicate.
If your return shows a credit (line 8 is negative), the credit carries forward to next period automatically. To convert it to a cash refund, file Form ST-AR within four years under ORC 5739.07. Refund applications are reviewed in the order received and typically take 90 to 120 days.
If you discover a mistake after filing, file Form UST-1X, the amended sales tax return, and pay any extra tax due plus interest. Amending early limits interest, while waiting for an audit notice means penalty is on top of interest.
Mistakes to Avoid When Filling Out the Form
Sales tax mistakes are easy to make and expensive to fix, so the list below covers the ten errors that the Ohio Department of Taxation flags most often during automated review and field audits. Each one has a direct dollar consequence, and several can be cured at no cost if you catch them before the 23rd.
- Reporting net sales on line 1. This understates gross sales and triggers a math-mismatch notice that delays processing.
- Forgetting the county schedule. A blank schedule with a non-zero line 4 fails the consistency check and bounces the return.
- Using the seller’s home county for every sale. Destination sourcing under ORC 5739.033 requires county-by-county allocation, and audit assessments routinely run into five figures.
- Calculating the vendor’s discount on line 1 instead of line 4. This inflates the discount and creates an automatic adjustment.
- Filing one day late. This forfeits the discount and adds the greater of $50 or 10% of tax due as a penalty.
- Skipping the signature on a paper return. The Department treats unsigned paper UST-1s as unfiled, and the late penalty starts running.
- Mixing in use tax. Consumer’s use tax goes on UUT-1, not UST-1; mixing them creates double-reported income.
- Claiming exemptions without certificates. Exempt sales without a signed STEC-B on file are disallowed on audit and tax is assessed.
- Filing under the wrong vendor’s license. Multi-location owners frequently pick the wrong location’s license, which forces a UST-1X amendment.
- Ignoring zero-sale months. A vendor with $0 in sales must still file a zero return, and skipping it triggers the $50 minimum penalty.
Do’s and Don’ts
A short rules-of-the-road list keeps you safe between filing periods and helps you catch problems before the Ohio Business Gateway flags them. Read the do’s and don’ts below before every filing, especially if you are new to UST-1.
Do’s
- Do reconcile your point-of-sale gross sales to your bank deposits monthly, because mismatches multiply over time.
- Do keep STEC-B certificates for at least four years, since that is Ohio’s audit lookback under ORC 5739.16.
- Do confirm county tax rates each January and July using the rate finder before filing.
- Do file even when you have zero sales, because the filing requirement is independent of whether tax is due.
- Do save the Gateway confirmation number and email receipt as your proof of filing.
- Do amend with UST-1X the moment you spot an error, because interest stops accruing only after you pay.
Don’ts
- Don’t round individual county totals before summing them, because the rounding error compounds and breaks the cross-check.
- Don’t use the federal EIN in place of your vendor’s license number; the Gateway will reject the return.
- Don’t include sales tax collected inside line 1 gross sales, because it inflates the base and the tax due.
- Don’t claim the vendor’s discount on a late-filed return, because the system zeros it out and flags the override.
- Don’t mail paper UST-1 without a written e-file waiver, since the Department may treat it as unfiled.
- Don’t ignore Department notices for 30 days, because the assessment becomes final and harder to contest.
Pros and Cons of Filing on Your Own vs. With Help
Most small Ohio vendors can file UST-1 on their own through the Ohio Business Gateway, but multi-county sellers, accelerated filers, and businesses with complex exemptions often benefit from a CPA or sales tax service. The pros and cons below help you decide which path fits your business.
Pros of filing on your own
- It costs nothing beyond your time, since the Gateway and TeleFile are free.
- You learn your own numbers, which helps you spot revenue trends and pricing issues.
- You file in real time and never wait for a preparer’s schedule, which matters near the 23rd.
- You keep direct control over the OH|ID login and bank account information.
- You can amend immediately when you spot an error, without waiting on a third party.
Cons of filing on your own
- A single math or sourcing mistake can cost more than a CPA’s annual fee.
- You bear all liability for under-collection, even when your point-of-sale software set the wrong rate.
- Multi-county schedules eat hours each month for omnichannel retailers.
- You may miss exemptions you legally qualify for, such as the manufacturing exemption under ORC 5739.011.
- You face audit interviews alone, without a representative familiar with the Department’s process.
- You miss legislative updates, such as new piggyback rates, until after you file wrong.
FAQs
Do I have to file UST-1 if I had no sales this month?
Yes. Ohio requires every active vendor’s license holder to file a return for every period, even when sales are zero, or face the $50 minimum late-filing penalty under ORC 5739.133.
Can I file UST-1 by mail?
No. Ohio mandates electronic filing through the Ohio Business Gateway or TeleFile for almost every vendor; paper filing requires a written hardship waiver from the Tax Commissioner.
Is shipping included in gross sales on line 1?
Yes. Under ORC 5739.01(H), shipping charges on taxable items are part of the price and must be included in line 1 gross sales.
Do I write my full taxable sales or just one county on the schedule?
Yes. You write the taxable sales sourced to each Ohio county on its own row of the county schedule, and the rows must sum exactly to line 3.
Can I claim the vendor’s discount on a late return?
No. The 0.75% discount on line 6 is forfeited the moment the return is even one day late, and the Gateway zeros it out automatically.
Is the vendor’s license number the same as my EIN?
No. The vendor’s license number is an 8-digit Ohio account number issued under ORC 5739.17; the EIN is a separate federal number.
Do I report use tax on UST-1?
No. Consumer’s use tax is reported on Form UUT-1; UST-1 is for sales tax only, and mixing them creates double-reporting issues.
Can I amend a UST-1 I already filed?
Yes. File Form UST-1X with the corrected figures, pay any extra tax due plus interest, and keep your amended confirmation number.
Is the deadline always the 23rd?
Yes. UST-1 is due on the 23rd day of the month following the reporting period, and if the 23rd falls on a weekend or holiday, the next business day applies.
Do I need a county schedule if all my sales are in one county?
Yes. Even single-county filers must complete the county schedule, listing one row for that county; an empty schedule fails the Gateway’s consistency check.
Can I pay UST-1 with a credit card?
Yes. The Gateway accepts credit cards through a third-party processor that charges a convenience fee; ACH debit from your bank is free.
Do I write exempt sales on line 1 or only on line 2?
Yes. Exempt sales appear in both places — included in line 1 gross sales and then subtracted on line 2 — so line 3 reflects only the taxable portion.
Related reading
- How to Fill Out Ohio Form 530 (w/Examples) + FAQs
- How to Fill Out Ohio Form DTE-23 (w/Examples) + FAQs
- How to Fill Out Ohio Form IT-941 (w/Examples) + FAQs
- How to Fill Out Ohio Form STEC-B (w/Examples) + FAQs
- How to Fill Out Ohio Form STEC-U (w/Examples) + FAQs
- How to Fill Out Ohio Form UST-1L (w/Examples) + FAQs
- How to Fill Out Ohio Form IT-4708 (w/Examples) + FAQs