Ohio Form IT-1140 is the Pass-Through Entity and Trust Withholding Tax Return that every qualifying pass-through entity (PTE) and qualifying trust with Ohio-source income must file with the Ohio Department of Taxation to remit withholding tax on behalf of nonresident investors and certain corporate investors. The form (currently the 2025 revision dated Rev. 10/25) reports each investor’s distributive share, applies the 5% individual or 8.5% C-corp withholding rate, and ties the entity’s quarterly IT 1140ES payments to the year-end liability under Ohio Revised Code §5747.41 through §5747.453.
The Ohio Department of Taxation processes more than 60,000 PTE returns each year, and roughly 1 in 7 IT-1140 filings is rejected or adjusted because of mismatched apportionment ratios, missing IT K-1s, or wrong withholding rates per the agency’s PTE information releases. A late or incorrect return triggers a failure-to-file penalty equal to the greater of $50 per month (capped at $500) or 5% per month of unpaid tax (capped at 50%), plus interest set yearly by the Tax Commissioner.
By the end of this guide, you will know:
- 📋 Exactly which boxes, schedules, and IT K-1s to complete on the 2025 IT-1140
- 🧮 How to calculate withholding at 5% for individuals and 8.5% for C-corps
- 🏛️ When to choose IT-1140 over the IT 4708 composite return or the IT 4738 elective PTE tax
- 💻 How to e-file through the Ohio Business Gateway or OH|TAX eServices
- ⏰ How to dodge the $500 minimum penalty, late-payment interest, and processing holds
What the Form Is and Who Must File It
Ohio Form IT-1140 is a withholding return, not an income tax return on the entity itself. The pass-through entity collects tax from its nonresident individual investors at 5% and from its nonresident C-corp investors at 8.5%, then remits the money to the state on behalf of those investors under ORC §5747.41. Each investor later claims the withheld amount as a credit on their own Ohio return using the Ohio IT K-1 the entity issues.
A qualifying pass-through entity means an S-corporation, partnership, or LLC taxed as a partnership or S-corp that has at least one nonresident investor and Ohio-source income. A qualifying trust means a trust with at least one nonresident beneficiary and Ohio-source income from real property or tangible personal property located in Ohio, defined in ORC §5747.01(FF). Single-member LLCs disregarded for federal tax purposes do not file IT-1140; their owner reports the income directly.
A PTE may skip IT-1140 entirely if it files the IT 4708 composite return for those investors, or if it makes the IT 4738 elective PTE tax election for the year. The IT 4738 election, signed into law by H.B. 515 and refined in Ohio Tax Information Release PTE 2023-01, creates a federal SALT-cap workaround that has pulled many PTEs away from IT-1140 since 2023. Resident-only entities with no nonresident or C-corp investors generally do not file any of the three.
Before You Start: Documents and Information You Need
Open a folder before you touch the form and gather every item below, because Ohio cross-checks each line against federal data, prior-year filings, and investor records. Missing one document almost always slows processing or triggers a notice from the Department of Taxation.
- Federal Form 1120-S or 1065 with all schedules. Ohio’s starting income flows from federal ordinary income on Schedule I, so the federal return must be finalized first; without it, every Ohio adjustment is a guess.
- Every federal Schedule K-1. You need each investor’s distributive share to calculate per-investor withholding; missing K-1s force you to estimate and re-amend.
- Investor residency status and FEIN/SSN. Withholding rates and the very obligation to file depend on residency; a wrong residency code triggers automatic Department review.
- Prior-year IT-1140 and IT 1140ES vouchers. Quarterly estimated payments must match Schedule VI, and any prior-year overpayment carryforward sits on Line 5.
- Ohio apportionment data (property, payroll, sales). Schedule II’s three-factor formula needs Ohio and everywhere figures for each factor under ORC §5733.05.
- Federal extension Form 7004 (if applicable). Ohio grants the federal extension automatically, but only if you can prove the federal extension was timely.
- Any IT K-1s received from lower-tier PTEs. Tax already withheld by an upstream PTE flows to Schedule V as a credit; without these K-1s, you double-pay.
- Bank routing and account numbers. Electronic payment through the Ohio Business Gateway requires ACH debit setup before the due date, not on the day you file.
- Entity FEIN and Ohio Charter/Registration number. The Ohio Secretary of State number prints on the top of the form and ties to the entity’s good-standing record.
- Records of guaranteed payments and §179 expense. These items create Ohio adjustments that Schedule III tracks line by line.
Where to Get the Form and How to Access It
The current 2025 IT-1140 (revision Rev. 10/25) is published on the Ohio Department of Taxation pass-through entity forms page and is available as a fillable PDF. Always download the form fresh each year, because the revision date in the lower-left corner of page 1 must match the tax year you are filing; using a 2024 form for a 2025 return triggers automatic rejection.
The instructions PDF lives on the same page and is roughly 30 pages of line-by-line guidance, including the apportionment rules, the IT K-1 specs, and the IT 1140ES estimated payment voucher. Bookmark both files; the Department updates them in October each year for the upcoming filing season.
Most filers no longer mail paper. The state pushes everyone to the Ohio Business Gateway (the primary e-file portal) or to OH|TAX eServices, the modernized self-service portal launched in 2022 that replaced the old TeleFile. Approved tax software (Drake, Lacerte, ProSeries, CCH Axcess, UltraTax) also files IT-1140 through the IRS Modernized e-File (MeF) program, which is the route most CPAs use.
Paper filing is allowed but discouraged; it adds 6–8 weeks to processing and rules out same-day proof of receipt. If you do mail it, the address is on page 1 of the form: Ohio Department of Taxation, P.O. Box 181140, Columbus, OH 43218-1140 for returns with no payment, and P.O. Box 182847, Columbus, OH 43218-2847 for returns with payment.
Step-by-Step: How to Fill Out Ohio Form IT-1140 Line by Line
The form runs four pages plus six schedules. Work top-down, finish the schedules first, then carry totals to page 1. Every field below is keyed to the printed label on the 2025 form.
Heading: Tax Year and Short-Period Boxes
The header asks for the calendar year (2025) or the start and end dates of the entity’s fiscal year. Enter the dates in MM/DD/YYYY format, leaving no blanks; if the entity uses a calendar year, write 01/01/2025 and 12/31/2025.
For example, Buckeye Brewing LLC uses a calendar year, so it writes 01/01/2025 and 12/31/2025. A short-period filer (entity dissolved mid-year or first-year filer) checks the Short Period Return box and writes the actual start and end dates.
The most common edge case is a fiscal-year S-corp ending June 30; that filer writes 07/01/2024 through 06/30/2025 and files by October 15, 2025 (the 15th day of the 4th month after year-end). The most common mistake is writing the wrong tax year in the header while using the right form revision; that mismatch causes the return to post to the wrong year and creates a false delinquency notice. A widespread misconception is that a short-period filer can use last year’s form; the form revision must match the year the period ends in, not the year it began.
Entity Name, Address, and FEIN Block
Enter the entity’s full legal name as registered with the Ohio Secretary of State, the principal business address, and the nine-digit Federal Employer Identification Number. Do not abbreviate “Limited Liability Company” to “LLC” if the SOS record spells it out — the cross-check is exact.
For example, Maple Ridge Partners LLC writes its name exactly as filed, 123 Main Street, Cleveland, OH 44114, and FEIN 12-3456789. If the entity has changed names mid-year, check the Name Change box and attach a copy of the SOS amendment.
The nuance most filers miss is the Ohio Charter/Registration number on the second line of the block; it ties to the SOS record and must match the entity’s good-standing status. The common mistake is leaving the charter number blank because federal returns do not need it; the consequence is a Department of Taxation notice asking for the number before processing continues. The misconception is that an out-of-state entity does not need an Ohio charter number; any entity doing business in Ohio must register with the Ohio SOS and therefore has one.
Line 1: Number of Qualifying Investors
Line 1 asks for the count of nonresident individual investors plus nonresident C-corp investors plus qualifying trust beneficiaries whose income is being withheld on. Resident investors and tax-exempt entities are excluded.
For example, Scioto Capital LP has 4 nonresident individual partners, 1 nonresident C-corp partner, and 2 Ohio-resident partners; it writes 5 on Line 1. The number must equal the count of Ohio IT K-1s the entity will issue to investors covered by this return.
The edge case is a tiered partnership receiving income from an upper-tier PTE; each upper-tier nonresident is counted separately, not as one bundled investor. The mistake to avoid is including resident investors in the count to inflate apportionment; the consequence is over-withholding and an IRS-style refund mismatch when investors file their IT 1040s. The misconception that single-member LLCs taxed as partnerships need a count above zero is wrong; a single-member disregarded LLC does not file IT-1140 at all.
Line 2: Tax Withheld from Schedule I
Line 2 carries the total withholding tax from Schedule I, Column F. This is the sum of the per-investor withholding amounts at 5% (individuals and trusts) and 8.5% (C-corps).
For example, Buckeye Brewing LLC totals $18,250 of Ohio adjusted income for individuals (× 5% = $912.50) plus $40,000 for one C-corp (× 8.5% = $3,400), for a Line 2 entry of $4,313. Round to the nearest whole dollar; no cents.
The nuance is that Schedule I uses apportioned Ohio adjusted income, not federal distributive share; you must run Schedule II first. The most common mistake is applying the 5% rate to a C-corp partner; the consequence is a $1,400-per-partner under-withholding for every $40,000 of income. The misconception that the rates change with the individual rate cuts in H.B. 33 is wrong — the IT-1140 withholding rates are statutory and remain 5% and 8.5% regardless of the individual bracket changes.
Line 3: Refundable Business Credits
Line 3 reports refundable Ohio business credits flowing through the entity, such as the historic preservation credit, the motion picture credit, or the job retention credit. Attach the Ohio Schedule of Credits and any certificate from the granting agency.
For example, Heritage Renovations LLC received a $25,000 historic preservation credit certificate from the Ohio Department of Development and writes $25,000 on Line 3. The credit reduces the entity’s withholding liability dollar-for-dollar.
The edge case is a credit shared between multiple investors; the entity may apply the entire credit on Line 3 or pass it through on the IT K-1, but not both. The mistake is double-claiming the credit at both the entity and investor level; the consequence is an automatic notice and a recapture assessment. The misconception that nonrefundable credits go on Line 3 is wrong; only refundable credits land here, and nonrefundable credits flow through to investors on the IT K-1.
Line 4: Net Tax Due
Line 4 equals Line 2 minus Line 3, but never less than zero. Write 0 if credits exceed withholding; the excess refundable credit then flows out on Line 8.
For example, Buckeye Brewing LLC has Line 2 of $4,313 and Line 3 of $0, so Line 4 is $4,313. Heritage Renovations LLC has Line 2 of $10,000 and Line 3 of $25,000, so Line 4 is $0 and Line 8 will show the $15,000 refundable excess.
The nuance is that nonrefundable credits never reduce Line 4 below zero, but refundable credits can produce a negative result that becomes a refund. The mistake is writing a negative number on Line 4; the consequence is a math-error notice and a holdup on processing. The misconception that Line 4 represents the entity’s income tax is wrong — it is purely investor withholding the entity is remitting.
Line 5: Estimated Tax Payments and Prior-Year Carryforward
Line 5 captures the four IT 1140ES estimated payments made during the year plus any prior-year overpayment carried forward. The four due dates are April 15, June 15, September 15, and January 15 of the following year.
For example, Scioto Capital LP paid $1,000 on each of the four estimate dates and carried $500 forward from 2024, so Line 5 is $4,500. Cross-check the total against the entity’s OH|TAX eServices payment history before filing.
The edge case is an entity that overpaid one quarter and underpaid another; total estimates still go on Line 5, and any underpayment penalty is calculated on the Ohio IT/SD 2210 attached separately. The mistake is including extension payments on Line 5; extension payments belong on Line 6. The misconception that quarterly estimates are optional is wrong — they are required when the prior-year liability exceeded $500, per ORC §5747.43.
Line 6: Extension Payment
Line 6 reports the payment submitted with the federal Form 7004 extension request or with an Ohio-only IT 1140EXT voucher. Ohio honors the federal extension automatically, but the payment still has to arrive by the original due date.
For example, Maple Ridge Partners LLC paid $2,000 with its federal extension on April 15, 2026, and writes $2,000 on Line 6. The entity now has until October 15, 2026, to file the return itself.
The nuance is that the extension is for filing only, not for paying; interest still accrues on any unpaid tax from the original April 15 due date. The mistake is assuming the extension payment is the final tax; the consequence is an underpayment that bears interest and a possible failure-to-pay penalty. The misconception that Ohio requires its own extension form is wrong — a timely federal 7004 is enough so long as a copy is kept with the entity’s records.
Line 7: Total Payments and Credits
Line 7 sums Lines 5 and 6. This is the entity’s total credit against the Line 4 net tax due.
For example, Scioto Capital LP has Line 5 of $4,500 and Line 6 of $0, so Line 7 is $4,500. The number must reconcile to the entity’s payment history in OH|TAX eServices.
The edge case is a return filed in October claiming an extension payment that the Department has not yet posted; attach a copy of the EFT confirmation to avoid a mismatch notice. The mistake is double-counting a payment that was applied to a different tax type (sales tax, employer withholding); the consequence is a balance-due notice for the missing amount. The misconception that Line 7 includes Line 3 is wrong — refundable credits already reduced Line 4, so adding them again would double-dip.
Line 8: Balance Due or Refund
If Line 4 exceeds Line 7, the difference is the balance due. If Line 7 exceeds Line 4, the difference is a refund (or carryforward to next year — checkbox).
For example, Scioto Capital LP has Line 4 of $5,000 and Line 7 of $4,500, so it owes $500 on Line 8. Heritage Renovations LLC has Line 4 of $0 and Line 3 refundable excess of $15,000; the full $15,000 shows here as a refund.
The nuance is the carryforward checkbox; many entities prefer carrying the refund to next year’s first-quarter estimate to skip a separate IT 1140ES payment. The mistake is checking both refund and carryforward; the consequence is the Department defaults to a refund and ignores the carryforward intent. The misconception that small refunds are automatic is wrong — a refund under $1.01 is not issued unless explicitly requested.
Schedule I: Investor Withholding Detail
Schedule I lists every nonresident individual, nonresident C-corp, and qualifying trust beneficiary in columns: name, FEIN/SSN, residency code, distributive share of Ohio adjusted income, withholding rate, and tax withheld.
For example, Buckeye Brewing LLC lists Marcus Reilly (Ohio individual nonresident, SSN 123-45-6789, share $9,125, rate 5%, tax $456); Aisha Tran (nonresident individual, share $9,125, rate 5%, tax $456); and Northern Holdings Inc. (nonresident C-corp, FEIN 98-7654321, share $40,000, rate 8.5%, tax $3,400).
The nuance is that the Ohio adjusted income column equals the investor’s distributive share after Ohio apportionment from Schedule II and after Schedule III adjustments — not the raw federal K-1 number. The mistake is using federal K-1 amounts directly; the consequence is over- or under-withholding by the apportionment percentage. The misconception that residents must be listed is wrong — Ohio residents are excluded from Schedule I entirely because they file their own IT 1040.
Schedule II: Apportionment
Schedule II uses the three-factor formula (property, payroll, sales) under ORC §5733.05(B)(2) but weights sales at 100% for tax years after 2005 (single-sales-factor for most industries). Each factor shows Ohio numerator and everywhere denominator.
For example, Maple Ridge Partners LLC has Ohio sales of $1,200,000 and total sales of $4,000,000, producing a sales factor of 0.300000. That ratio applies to all federal income to determine Ohio adjusted income.
The nuance is the financial-institution and qualifying-investor exception; some entities (like investment partnerships) use cost-of-performance sourcing instead of market-based sourcing. The mistake is mixing federal and state numerators; the consequence is an apportionment ratio off by 10–30 percentage points and a desk audit. The misconception that property and payroll factors still count is partly wrong — they appear on the schedule for transparency but are weighted at 0% in the final ratio.
Schedule III: Adjustments to Income
Schedule III converts federal taxable income to Ohio adjusted income through additions (§168(k) bonus depreciation addback, §179 expense addback) and deductions (5/6 bonus depreciation deduction over five years). The math echoes the individual IT 1040 Schedule of Adjustments.
For example, Buckeye Brewing LLC claimed $50,000 of federal bonus depreciation, adds back the full $50,000 in 2025, then deducts $10,000 (1/6) in each of 2025–2030. The net Schedule III adjustment is +$40,000 in year one.
The nuance is that the addback is required even for assets placed in service in earlier years if the entity is still in the 5/6 deduction stream. The mistake is forgetting the addback because federal depreciation has fully recovered; the consequence is understated Ohio income and an under-withholding assessment. The misconception that Ohio fully conforms to the IRC is wrong — Ohio has decoupled from §168(k) and §179 since 2002.
Schedule IV: Reserved / Repealed
Schedule IV is intentionally reserved on the 2025 form. Earlier versions used it for now-repealed credits; leave it blank.
For example, all three named filers leave Schedule IV blank. The Department keeps the schedule number to preserve numbering on legacy returns.
The nuance is amended returns for tax years before 2018 may still need Schedule IV; current-year filers do not. The mistake is filling in old credit amounts here; the consequence is a processing rejection. The misconception that you must put zeros on every line is wrong — leave it entirely blank.
Schedule V: Credit for Tax Paid by Another PTE
Schedule V claims credit for Ohio withholding already paid by an upper-tier PTE on the entity’s behalf. Attach every Ohio IT K-1 received from upper-tier entities.
For example, Scioto Capital LP received an IT K-1 from Buckeye Holdings LLC showing $3,400 of Ohio tax withheld; Schedule V shows the upper-tier name, FEIN, and the $3,400 amount, which then flows to Line 3 or to the investors’ IT K-1s.
The nuance is the credit must be allocated among the lower-tier investors in the same ratio as their distributive shares. The mistake is keeping the credit at the entity level when investors should claim it; the consequence is a mismatch between IT K-1s issued and credits claimed. The misconception that upper-tier IT 4738 elective tax payments flow here is wrong — IT 4738 payments stay with the electing entity and never flow to IT-1140.
Schedule VI: Quarterly Estimated Payment Reconciliation
Schedule VI lists the four IT 1140ES payments by date and amount, plus any prior-year carryforward. The total ties to Line 5.
For example, Scioto Capital LP enters $1,000 on each of 04/15/2025, 06/15/2025, 09/15/2025, and 01/15/2026, plus $500 carryforward, for $4,500.
The nuance is that the IT 1140ES voucher number prints on the bottom of each payment confirmation; recording the voucher number on Schedule VI speeds up trace requests. The mistake is using federal Form 1040-ES dates instead of Ohio’s; Ohio’s January 15 fourth-quarter date matches federal but the form is different. The misconception that estimated payments are netted against composite IT 4708 payments is wrong — each return type has its own estimate stream.
Signature Block
The form must be signed by an officer, partner, member, or trustee with authority to bind the entity, with the date and a daytime phone number. A paid preparer also signs and writes their PTIN.
For example, Janet Whitman, Managing Member of Maple Ridge Partners LLC signs and dates 03/15/2026, listing phone (216) 555-0142. The preparer, David Cho, CPA, signs with PTIN P01234567.
The nuance is that an unsigned return is treated as never filed; the postmark or EFT date does not save it. The mistake is having a non-officer (a bookkeeper or admin) sign; the consequence is a void return and a late-filing penalty starting from the due date. The misconception that e-filing waives the signature is wrong — electronic filing uses an Ohio EDI signature authorization (Form OH-8879) kept in the preparer’s records for four years.
Three Filled-Out Examples Using Real Scenarios
Scenario 1: Buckeye Brewing LLC (Ohio S-corp with mixed investors)
| Form Section | What Buckeye Brewing Enters |
|---|---|
| Tax year | 01/01/2025 – 12/31/2025 |
| Entity name and FEIN | Buckeye Brewing LLC, FEIN 12-3456789 |
| Line 1 (qualifying investors) | 3 (2 nonresident individuals + 1 nonresident C-corp) |
| Schedule II sales factor | 0.850000 (Ohio sales $4.25M / total $5M) |
| Schedule III adjustment | +$40,000 (§168(k) addback) |
| Schedule I total withholding | $4,313 |
| Line 2 | $4,313 |
| Line 5 (estimates) | $4,000 |
| Line 8 | $313 balance due |
Scenario 2: Maple Ridge Partners LLC (multi-state real-estate partnership)
| Form Section | What Maple Ridge Enters |
|---|---|
| Tax year | 01/01/2025 – 12/31/2025 |
| Entity name and FEIN | Maple Ridge Partners LLC, FEIN 45-6789012 |
| Line 1 | 6 (5 nonresident individuals + 1 nonresident C-corp) |
| Schedule II sales factor | 0.300000 (Ohio rents $1.2M / total $4M) |
| Schedule III adjustment | +$18,000 (§179 addback) |
| Schedule I total withholding | $22,500 |
| Line 6 (extension payment) | $2,000 paid 04/15/2026 |
| Line 7 (total payments) | $20,000 |
| Line 8 | $2,500 balance due |
Scenario 3: Whitman Family Trust (qualifying trust with nonresident beneficiary)
| Form Section | What the Trustee Enters |
|---|---|
| Tax year | 01/01/2025 – 12/31/2025 |
| Entity name and FEIN | Whitman Family Trust, FEIN 78-9012345 |
| Line 1 | 1 (one nonresident individual beneficiary) |
| Schedule II sales factor | 1.000000 (Ohio rental real estate only) |
| Schedule III adjustment | $0 |
| Schedule I total withholding | $1,250 (5% of $25,000 distributable Ohio income) |
| Line 5 (estimates) | $1,000 |
| Line 7 | $1,000 |
| Line 8 | $250 balance due |
How to File the Completed Form
Ohio offers four channels, but two dominate. The Ohio Business Gateway is the main e-file portal; you create an OH|ID, link the entity, upload the IT-1140 PDF or key in the data, and pay by ACH debit. There is no fee, payment is instant, and the gateway issues a confirmation number that doubles as proof of filing — keep it for four years.
OH|TAX eServices is the Department’s modern self-service portal. It accepts IT-1140 directly, supports ACH debit and credit-card payments (the card processor charges roughly 2.5%), shows real-time payment history, and stores prior returns for download. Processing time is typically 4–6 weeks for refunds and same-day for balance-due acknowledgements.
Approved tax software files through IRS Modernized e-File (MeF) using the Fed/State program; this is the route most CPA firms use because it submits federal and Ohio returns in one transmission. Payment piggybacks via direct debit and the software stores the acknowledgement.
Paper filing remains available but slow. Mail returns with no payment to Ohio Department of Taxation, P.O. Box 181140, Columbus, OH 43218-1140; mail returns with payment (check payable to Ohio Treasurer of State, with FEIN and “2025 IT-1140” in the memo) to P.O. Box 182847, Columbus, OH 43218-2847. Use certified mail with return receipt; expect 6–8 weeks of processing time and no real-time confirmation.
What Happens After You File
After acceptance, the Department issues a confirmation number (electronic) or a posting notice (paper). The return is matched against quarterly IT 1140ES payments, federal 1120-S/1065 data shared by the IRS, and prior-year filings within 30–60 days.
If everything reconciles, refundable credits issue as ACH refunds in 4–6 weeks; balance-due payments post the next business day. The Department issues IT K-1 acknowledgements that investors then attach to their personal IT 1040 returns, claiming the withheld tax as a refundable credit on IT 1040 Schedule of Credits.
If something does not reconcile, expect a notice within 90 days. Common notices include the math-error notice (correctable in writing), the missing IT K-1 notice (resolved by e-mailing the missing K-1s through OH|TAX), and the under-withholding assessment (resolved by paying or protesting within 60 days). All notices include a docket number you must reference when responding.
The statute of limitations for Ohio assessment is generally four years from the later of the due date or the filing date under ORC §5747.13. Refund claims must be filed within four years as well. After the four-year window closes, the return is final and not subject to routine review.
Mistakes to Avoid When Filling Out the Form
- Using the wrong form revision. Filing 2025 income on a 2024 form triggers automatic rejection and an effectively missed deadline.
- Applying 5% to a C-corp investor. The correct rate is 8.5%, and the under-withholding accrues interest from the original due date.
- Skipping the §168(k) addback. Forgetting the bonus-depreciation addback understates Ohio income and creates an audit deficiency plus 7% statutory interest.
- Counting Ohio residents on Line 1. Residents are not subject to IT-1140 withholding; including them inflates the count and triggers Department review.
- Mailing the return with payment to the no-payment address. The check sits in the wrong P.O. box for weeks, and the Department codes the return as unpaid.
- Filing IT-1140 when an IT 4738 election is in effect. The two are mutually exclusive for the same income; double-filing triggers a duplicate-filing notice and a refund delay.
- Missing the April 15 estimate. First-quarter underpayment cascades into all four quarters and creates an IT/SD 2210 penalty.
- Forgetting to attach upstream IT K-1s on Schedule V. The Department disallows the credit and assesses the full amount.
- Using federal K-1 numbers on Schedule I. The schedule needs apportioned Ohio adjusted income, not raw federal distributive share.
- Letting a non-officer sign the return. An unsigned return is treated as never filed and accrues failure-to-file penalties from day one.
- Ignoring the Ohio Charter number. Leaving it blank stalls processing and triggers a Secretary of State good-standing check.
Do’s and Don’ts
Do’s
- Do download the form fresh each October — the revision date in the lower-left corner must match the year you are filing.
- Do reconcile the four IT 1140ES payments to OH|TAX eServices before filing — desk audits start with this match.
- Do issue Ohio IT K-1s to every covered investor by the filing deadline — investors need them for their IT 1040s.
- Do compare IT-1140, IT 4708, and IT 4738 each year — the SALT-cap math changes when income shifts.
- Do keep the e-file confirmation for four years — the statute of limitations runs that long.
- Do attach federal Form 7004 evidence when claiming the automatic extension — the Department asks for it at random.
Don’ts
- Don’t apply the IT-1140 5% rate to a C-corp investor — the correct rate is 8.5%.
- Don’t include resident investors on Schedule I — they file IT 1040 themselves.
- Don’t double-claim refundable credits at both entity and investor level — the Department recaptures with interest.
- Don’t paper-file unless absolutely necessary — paper adds 6–8 weeks and loses real-time proof.
- Don’t pay extension tax to the wrong tax type in OH|TAX — payments coded to sales tax cannot easily transfer.
- Don’t file IT-1140 in a year the entity elected IT 4738 — the two are mutually exclusive on the same income.
Pros and Cons of Filing on Your Own vs. With Help
Pros of self-filing
- Saves $1,500–$5,000 in CPA fees for a straightforward partnership with two or three investors.
- Forces management to learn Ohio apportionment and adjustment rules, which improves multi-state planning.
- Ohio Business Gateway is free and offers same-day proof of filing.
- Real-time payment tracking through OH|TAX eServices reduces the need for a CPA’s status calls.
- For single-investor entities, the math is simple enough that a careful bookkeeper can handle it.
Cons of self-filing
- The IT-1140 vs. IT 4708 vs. IT 4738 choice is highly fact-specific; the wrong election can cost six figures in lost SALT-cap savings.
- Schedule II apportionment errors are the #1 audit trigger and need professional sourcing analysis.
- Bonus depreciation addback math (§168(k)) and the 5/6 deduction stream are easy to mis-track over multiple years.
- A missed signature voids the return and creates instant late-filing exposure.
- Tiered partnerships with upstream IT K-1s require precise allocation that software does better than spreadsheets.
FAQs
Is IT-1140 required if my LLC has only Ohio-resident members?
No. A pass-through entity with only Ohio-resident individual investors and no nonresident C-corp investors has no withholding obligation under ORC §5747.41 and skips IT-1140 entirely.
Can I file IT-1140 and IT 4738 in the same year for the same entity?
No. The IT 4738 elective PTE tax replaces IT-1140 for the elected income; an entity that elects IT 4738 does not file IT-1140 for that same income.
Is the withholding rate the same for partnerships and S-corps?
Yes. Both are 5% for nonresident individual investors and 8.5% for nonresident C-corp investors, regardless of the entity’s federal classification.
Do I list resident investors on Schedule I?
No. Schedule I lists only nonresident individuals, nonresident C-corps, and qualifying trust beneficiaries; Ohio residents are excluded entirely.
Is the IT 1140EXT extension automatic with a federal Form 7004?
Yes. Ohio honors the federal 7004 extension automatically, but any unpaid tax still accrues interest from the original April 15 due date.
Do I write the FEIN with or without a hyphen on the heading?
Yes, write it with the hyphen in ##-####### format; the OCR readers and e-file schemas expect that exact pattern.
Is the apportionment ratio a single-sales factor for all industries?
No. Most industries use single-sales factor, but financial institutions, public utilities, and certain investment partnerships use special sourcing rules under ORC §5733.05.
Can I e-file IT-1140 without using the Ohio Business Gateway?
Yes. Approved tax software files through IRS Modernized e-File (MeF) Fed/State, and OH|TAX eServices accepts direct upload as alternatives to the Gateway.
Do I need to issue an Ohio IT K-1 to each nonresident investor?
Yes. Every nonresident covered by IT-1140 needs an Ohio IT K-1 by the filing deadline so they can claim the withheld tax on their own IT 1040.
Is Schedule IV used for any current-year filings?
No. Schedule IV is reserved on the 2025 form and is left blank; it remains only for amended returns from earlier years.
Can the entity carry an IT-1140 refund forward to next year’s estimates?
Yes. Check the Apply to Next Year’s Estimates box on Line 8 to roll the refund forward instead of receiving an ACH refund.
Is IT-1140 the right form for a single-member disregarded LLC?
No. A single-member LLC disregarded for federal purposes is not a qualifying PTE; the owner reports the Ohio income directly on their IT 1040 or franchise return.
Do I need to attach the federal Form 1120-S or 1065 to IT-1140?
Yes. Attach the full federal return including all K-1s; the Department uses it to validate Schedule I distributive shares and Schedule III adjustments.
Is the failure-to-file penalty waivable for a first-time filer?
Yes, the Department’s Voluntary Disclosure Program and reasonable-cause abatement under ORC §5703.05 routinely waive first-time penalties on request.
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