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OZ Data Centers™

Fund & business rules

The Opportunity Zone original use requirement

Tangible property meets the Opportunity Zone original use requirement if the Qualified Opportunity Fund or Qualified Opportunity Zone Business is the first to place it in service in the zone for depreciation or amortization purposes. New construction and new equipment qualify, as does used property brought into the zone for the first time, and a building that has been vacant (more than 80% unused) for at least three years. Property that does not qualify as original use must instead be substantially improved within 30 months.

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Key takeaways

  • Original use under §1400Z-2(d)(2)(D)(i)(II) begins when a QOF or QOZB first places property in service in the zone for depreciation or amortization purposes.
  • Used property that was never previously placed in service in the zone, such as equipment moved in from elsewhere, can be original use.
  • A building vacant for at least three years, or vacant from at least one year before the zone's designation through the purchase date, is treated as original use.
  • Property is vacant if more than 80% of its usable square footage is not in use.
  • Leased property does not need to be original use; land cannot be original use but does not need to be improved.

What does original use mean in an Opportunity Zone?

Original use is one of two ways owned tangible property becomes Qualified Opportunity Zone business property (QOZBP). Under §1400Z-2(d)(2)(D)(i)(II), the original use of the property in the zone must commence with the Qualified Opportunity Fund (QOF) or Qualified Opportunity Zone Business (QOZB), unless the fund or business substantially improves it.1 The final regulations define the moment: original use begins on the date the property is first placed in service in the zone for purposes of depreciation or amortization, or first used in the zone in a manner that would allow depreciation or amortization if the user were the owner.2,3

The test is about the property's history in the zone, not its history everywhere. A machine that ran for years in another state can be original use in the zone, and a building that was occupied last year cannot, however new it looks.10,11 The other requirements of QOZBP still apply: the property must be purchased from an unrelated party after the statutory cutoff date and used in the zone; see the QOZB 70% tangible property test. Original use is tested asset by asset at acquisition, so the purchase file for each significant asset should record where, and by whom, it was previously placed in service.

Which property qualifies as original use?

Most new property qualifies, and some used property does. The table summarizes the final regulations.3,8,11

Original use under the final regulations
PropertyOriginal use?Notes
New construction by the QOZBYesSelf-constructed property is first placed in service by the QOZB
New equipment bought from a vendorYesFirst placed in service in the zone by the QOZB
Used property never before placed in service in the zoneYesMust not have been previously used in the zone; related-party purchase rules still apply
Building vacant at least three yearsYesVacancy means more than 80% of usable square footage unused
Building vacant one year before designation and through purchaseYesShorter period tied to the zone's designation date
Occupied or recently used buildingNoMust be substantially improved within 30 months
Used property previously placed in service in the zoneNoMust be substantially improved
LandNot applicableCannot be original use; need not be improved if used in a business
Leased propertyNot requiredOriginal use does not apply to leased property

Fig. 1Original use or substantial improvement?

  • Vacant 3+ years (over 80% unused) · Never used in the zone

    Original use

    New to the zone, and vacant

  • Vacant 3+ years (over 80% unused) · Used in the zone before

    Original use under the vacancy rule

    Prior use is reset by long vacancy

  • Occupied or recently used · Never used in the zone

    Original use

    New or imported property

  • Occupied or recently used · Used in the zone before

    Not original use

    Must be substantially improved

Property never used in the zone, or a long-vacant building, is original use. Previously used, recently occupied property needs substantial improvement within 30 months.3,4

When does a vacant building qualify as original use?

A building or other structure that has been vacant for an uninterrupted period of at least three years before the QOZB acquires it is treated as original use. A shorter one-year rule applies if the property was vacant for at least one year before the zone was designated and remained vacant through the date of purchase.4,7

Real property is vacant if more than 80% of the building or land, measured by square footage of usable space, is not currently being used.5,6 A building with a single small tenant in a corner can therefore still be vacant. The vacancy periods are three years, or one year in the pre-designation case.7,4

Fig. 2The two vacancy routes to original use

  1. 3 years before purchase

    Vacancy begins

    Over 80% of usable space unused

  2. 1 year before designation

    Alternative start

    Building already vacant

  3. Designation date

    Zone takes effect

    Building still vacant

  4. Purchase date

    QOZB acquires

    Vacancy must continue through this date

  5. Placed in service

    Original use begins

    With the QOZB

Either route works. The three-year route is independent of when the zone was designated.4,5

Can used equipment be original use?

Yes, if it has never been placed in service in the zone. Used equipment bought from an unrelated seller outside the zone and moved into the zone is original use for the QOZB.10,11 The seller must not be related, because QOZBP must be acquired by purchase from an unrelated person, using a 20% relatedness threshold.2

Used equipment bought from a seller inside the zone, or equipment the business already used there, is not original use and would have to be substantially improved, which is rarely practical for equipment. For data centers, that means refurbished gear sourced from another facility in the same zone is a problem, while new gear or gear from out of the zone is not. See servers, equipment and the Opportunity Zone rules.

How do land, leased property and leasehold improvements fit?

  • Land cannot have original use. It qualifies if it is used in the QOZB's trade or business, without a separate improvement requirement, subject to an anti-abuse rule for land held mainly for speculation.8,3
  • Leased property does not need to be original use. It qualifies if the lease is on market terms and was entered into after the statutory cutoff date, with extra limits for leases from related parties.9,8 See leased property rules.
  • Improvements a QOZB makes to property it leases are treated as purchased property and are original use, so a tenant's fit-out of a leased building can count as QOZBP.9,3
  • Under the final regulations, real property on a brownfield site, including land and structures, is treated as original use if the QOF or QOZB makes investments to bring the site up to basic safety standards.3,15

Leasing is sometimes chosen precisely because it avoids the original use and substantial improvement questions, but a lease from a related party for previously used property brings its own requirements. See related-party rules.

How does original use apply to data center projects?

A greenfield data center is original use from the ground up: the QOZB buys land, builds the shell and installs new equipment, all first placed in service in the zone by the QOZB. Conversions of existing buildings depend on vacancy. A closed factory or warehouse that has been more than 80% empty for three years is original use; an occupied one must be substantially improved, which a data center fit-out usually achieves.4,14

Fig. 3Original use checks for data center assets

  • PassNew building on purchased landSelf-constructed; original use
  • PassNew switchgear, UPS, chillers and generatorsPurchased from vendors; first placed in service in the zone
  • PassFormer factory vacant for 4 yearsVacancy rule; document occupancy history
  • WatchWarehouse occupied until last yearNot original use; plan to substantially improve within 30 months
  • FailRefurbished equipment from another site in the same zonePreviously placed in service in the zone
  • PassLeasehold improvements in a leased powered shellTreated as purchased, original use property
How common data center assets usually fare. Confirm the facts for each asset before closing.

Document vacancy carefully: utility bills, occupancy records, tax filings and photographs that show usable square footage was more than 80% unused for the full period. See converting industrial buildings into data centers and the substantial improvement test.

Common questions

What is original use in an Opportunity Zone?

Property has original use with a QOF or QOZB if the fund or business is the first to place it in service in the zone for depreciation or amortization purposes.

Does a vacant building count as original use?

Yes, if more than 80% of its usable space has been unused for at least three years before purchase, or for at least one year before the zone was designated and through the purchase date.

Can I buy used equipment for an Opportunity Zone business?

Yes, if the equipment was never previously placed in service in the zone and is bought from an unrelated seller. Used equipment previously used in the zone is not original use.

Does leased property have to be original use?

No. Leased property qualifies without an original use or substantial improvement requirement, if it is leased on market terms and used in the zone.

Is land original use?

Land cannot be original use, but it does not need to be improved. It qualifies if used in the business and not held mainly for speculation.

Sources

Every numbered note in this guide links to the source below.

  1. 1.U.S. Government Publishing Office (GovInfo), “26 U.S.C. 1400Z-2: Special rules for capital gains invested in opportunity zones,” n.d. govinfo.gov
  2. 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. 3.Federal Register, “Investing in Qualified Opportunity Funds (T.D. 9889), 85 FR 1866,” 2020. federalregister.gov
  4. 4.BDO, “Discussion of the Opportunity Zone Program Including Final Regulations,” n.d. bdo.com
  5. 5.CohnReznick, “Treasury releases final opportunity zone regulations,” 2019. cohnreznick.com
  6. 6.Withers, “What you need to know about the final QOZ regulations,” 2020. withersworldwide.com
  7. 7.REjournals, “Final opportunity zone regulations released,” 2019. rejournals.com
  8. 8.Holland & Hart, “Taxpayer-Favorable Final Opportunity Zone Regulations Issued,” 2019. hollandhart.com
  9. 9.Nelson Mullins, “Qualified Opportunity Zones Guidance: Second Set of Proposed Regulations Released,” 2019. nelsonmullins.com
  10. 10.Steptoe, “Final Opportunity Zone Regulations Provide Some Much-Needed Clarity,” 2020. steptoe.com
  11. 11.EY Tax News, “Final regulations on Opportunity Zones retain same approach as proposed regulations, with a few big changes,” 2020. taxnews.ey.com
  12. 12.Internal Revenue Service, “Notice 2026-40, Transitional Guidance on Qualified Opportunity Zones,” 2026. irs.gov
  13. 13.Internal Revenue Service, “Opportunity Zones,” n.d. irs.gov
  14. 14.Dentons, “The Qualified Opportunity Zone Program Offers New Incentives for Data Center Projects,” 2026. dentons.com
  15. 15.Internal Revenue Service, “IRS and Treasury finalize Opportunity Zone guidance,” 2019. irs.gov

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