Key takeaways
- A QOF must be a corporation or a partnership (including an LLC taxed as either) organized in the United States to invest in Opportunity Zone property.
- There is no IRS approval: a fund self-certifies by filing Form 8996 with its federal income tax return.
- At least 90% of the fund's assets must be Opportunity Zone property, averaged over two testing dates each year; the shortfall is penalized monthly.
- Qualifying assets are equity in a Qualified Opportunity Zone Business, zone business property held directly, or both; a QOF cannot invest in another QOF.
- A Qualified Rural Opportunity Fund is a QOF with at least 90% of its assets in wholly rural zones, and its investors get a 30% step-up instead of 10%.
What is a Qualified Opportunity Fund?
A Qualified Opportunity Fund is an investment vehicle organized as a corporation or partnership for the purpose of investing in Qualified Opportunity Zone property, other than another QOF, that holds at least 90% of its assets in that property.1,4 The definition is in IRC §1400Z-2(d)(1), and the operating rules are in Treasury Regulation §1.1400Z2(d)-1.1,2
The QOF is the gateway to every Opportunity Zone tax benefit. An investor who buys real estate in a zone directly gets nothing; an investor who invests an eligible gain in a QOF gets deferral, the five-year step-up and the 10-year exclusion. See how Opportunity Zones work for the full sequence.
Who can set up a QOF, and how?
Anyone can form a QOF, and the IRS does not approve or license them. The entity self-certifies by filing Form 8996 with its timely filed federal income tax return, including extensions, for the first year it wants to be a QOF, and files the form every year after.3 In the Form 8996 the fund identifies the first month it is a QOF.
| Requirement | Rule |
|---|---|
| Entity type | Corporation or partnership for federal tax purposes (an LLC qualifies if taxed as either) |
| Where organized | In the United States, a U.S. possession or a federally recognized Indian tribe's jurisdiction |
| Purpose | Organized to invest in Opportunity Zone property, stated in its governing documents |
| Certification | Form 8996 filed with its return every year |
| Asset test | At least 90% of assets in Opportunity Zone property |
| Investments it cannot make | Interests in another QOF |
A pre-existing entity can become a QOF, but its existing property counts only if it meets the same requirements as new property (for example, purchased after the statutory cutoff date and original use or substantially improved). The proposed reporting regulations published September 11, 2026 would require self-certification only in the first year, with annual Form 8996 reporting thereafter, and would set a single procedure for decertification. They are not final.9 The setup process is covered in how to set up a Qualified Opportunity Fund.
What is the QOF 90% asset test?
A QOF must hold at least 90% of its assets in Opportunity Zone property, measured as the average of two semiannual testing dates.1,5 The testing dates are generally the last day of the first six months of the fund's tax year and the last day of the tax year.
If the fund falls short, it owes a penalty for each month of failure equal to the shortfall times the IRS underpayment rate (the federal short-term rate plus 3 percentage points). No penalty applies if the failure is due to reasonable cause.1,5 Two timing rules help: newly contributed cash can be excluded from the test for six months if held in cash, cash equivalents or short-term debt, and proceeds from a sale of zone property count as qualifying for 12 months if reinvested.6
Fig. 1How a QOF 90% test shortfall is measured
Illustrative- Total fund assets$50.0M
- Required zone property (90%)$45.0M
- Zone property actually held (85%)$42.5M
- Shortfall subject to penalty$2.5M
$ millions
Repeated failure has a bigger cost than the penalty: a fund that is not really investing in zone property risks decertification, which can trigger investors' deferred gains. See the QOF 90% asset test.
What can a QOF invest in?
A QOF can count three kinds of Qualified Opportunity Zone property toward its 90%: stock in a corporation that is a Qualified Opportunity Zone Business, a partnership interest in a QOZB, and Qualified Opportunity Zone business property it holds directly.1 The stock or partnership interest must be acquired for cash, at original issue, from the business.2
Fig. 2Owning property directly vs. through a QOZB
One tier
QOF owns property directly
- Fund must meet the 90% test with the property itself
- No working capital safe harbor for construction cash
- Simpler structure and fewer entities
- Suits a completed, single property purchase with immediate improvement
Two tier, most common
QOF owns a QOZB
- Only 70% of the business's tangible property must qualify
- Cash can be held up to 31 months (62 with sequential plans)
- Must meet 50% gross income, 40% intangibles and 5% financial property tests
- Suits development projects and operating businesses
Investments in a QOF must be equity, such as partnership interests, common or preferred stock. Debt does not qualify, although an equity interest can be pledged as collateral for a loan.2,7 The business tier is explained in what a Qualified Opportunity Zone Business is.
What is a Qualified Rural Opportunity Fund?
A Qualified Rural Opportunity Fund (QROF) is a QOF that holds at least 90% of its assets in Opportunity Zone property located in zones made up entirely of rural areas.1,8 A rural area is anywhere other than a city or town with more than 50,000 people and the urbanized area contiguous and adjacent to it.10
Investors in a QROF get a 30% basis step-up after five years instead of 10%, for amounts invested on or after January 1, 2027, so only 70% of the deferred gain is taxed. Property in wholly rural zones also needs only 50% of its basis in improvements to meet the substantial improvement test.8,10 See what a Qualified Rural Opportunity Fund is.
What types of QOFs are there?
QOFs differ mainly by how many assets they hold and who sponsors them. The tax rules are the same for all of them.
| Format | How it works | Typical investor |
|---|---|---|
| Single-asset fund | One project, one QOZB; investors know exactly what they own | Developers, family offices, project-specific raises |
| Multi-asset fund | Several projects or QOZBs under one fund; diversified but each asset must qualify | Wealth platforms, larger investor pools |
| Self-directed or private fund | An investor or family forms its own QOF to develop its own project | Business owners and landowners |
| Corporate QOF | Organized as a C corporation; investors hold stock | Less common; used for certain operating businesses |
Partnership QOFs dominate because they allow losses and depreciation to pass through, and after a 10-year hold they let investors elect to exclude their share of gain from the fund's asset sales. Compare the formats in single-asset vs. multi-asset Opportunity Zone funds.
How should an investor evaluate a QOF?
Judge a QOF on the underlying project first and the tax benefit second. A tax benefit on a loss is still a loss.
Fig. 3A first-pass QOF screening checklist
- PassForm 8996 filed every yearAsk for copies or confirmation from the fund's tax preparer
- PassZone property in a certified tractCheck the tract against the CDFI Fund list
- WatchWorking capital plan in writingWritten schedule, designated use, spending on track
- WatchActive business, not a bare triple-net leaseSingle-tenant NNN leases do not count as an active business
- WatchCapital to pay year-5 taxThe fund rarely distributes enough to cover it
- PassPlan to exit after year 10Sale of fund interest, or fund-level asset sale
The due diligence checklist goes deeper. For data center funds, the lease structure and power timeline are the two items to examine most closely, because a single-tenant triple-net lease is not the active conduct of a trade or business under the regulations.11
Common questions
Does the IRS approve Qualified Opportunity Funds?
No. A QOF self-certifies by filing Form 8996 with its federal return. The IRS can later examine whether the fund actually met the requirements.
Can an LLC be a QOF?
Yes, if it is taxed as a partnership or a corporation. A single-member LLC that is disregarded for tax purposes cannot be a QOF.
Can I create my own QOF?
Yes. Individuals and families commonly form a QOF to develop their own project. The fund must still meet the 90% test, file Form 8996 every year and invest only eligible gain if investors want the tax benefits.
Can a QOF invest in another QOF?
No. Interests in another QOF are excluded from Qualified Opportunity Zone property.
What happens to investors if a QOF fails the 90% test?
The fund pays a monthly penalty unless it shows reasonable cause. Investors keep their deferral as long as the fund remains a QOF, but decertification can trigger the deferred gain.
How is a QROF different from a regular QOF?
A QROF holds at least 90% of its assets in wholly rural zones. Its investors get a 30% step-up after five years instead of 10%.
Sources
Every numbered note in this guide links to the source below.
- 1.U.S. Government Publishing Office (GovInfo), “26 U.S.C. 1400Z-2: Special rules for capital gains invested in opportunity zones,” 2026. govinfo.gov
- 2.Electronic Code of Federal Regulations, “26 CFR 1.1400Z2(d)-1: Qualified opportunity funds and qualified opportunity zone businesses,” n.d. ecfr.gov
- 3.Internal Revenue Service, “About Form 8996, Qualified Opportunity Fund,” n.d. irs.gov
- 4.Internal Revenue Service, “Opportunity zones frequently asked questions,” n.d. irs.gov
- 5.KPMG, “Qualified Opportunity Funds: Mid-2022 Asset Testing Considerations,” 2022. tax.kpmg.us
- 6.Hunton Andrews Kurth, “Qualified Opportunity Zone Investments: Overview,” n.d. hunton.com
- 7.Holland & Hart, “Taxpayer-Favorable Final Opportunity Zone Regulations Issued,” 2019. hollandhart.com
- 8.Internal Revenue Service, “Enhanced tax incentives for Qualified Opportunity Zone investments in rural areas,” 2025. irs.gov
- 9.Federal Register (GovInfo), “Information Reporting Regarding Qualified Opportunity Zones and Updated Qualified Opportunity Fund Certification and Decertification Procedures, 91 FR 57968,” 2026. govinfo.gov
- 10.Internal Revenue Service, “Notice 2025-50,” 2025. eitc.irs.gov
- 11.The Tax Adviser (AICPA), “IRS issues second set of proposed regulations on opportunity zones,” 2019. thetaxadviser.com
OZ Data Centers
Building or investing in an Opportunity Zone data center?
We sponsor the deals, manage the funds and run the operating businesses. Tell us about your capital, your land or your project.
This website is for general information only. It is not an offer to sell, or a solicitation of an offer to buy, any security. Any offering will be made only through confidential offering documents, to eligible investors, where permitted by law. Opportunity Zone tax benefits depend on each investor's circumstances and on rules that can change; consult your own tax and legal advisers.