Capital Gains Deferral & Basis Step-Up Rules
Sourced from 475+ industry emails, investment memos, and regulatory materials.
The Rolling Deferral Framework
Reinvest a realized capital gain into a QOF within 180 days of the triggering sale, and tax is deferred.
Eligible Gain Types
| Gain Type | Qualifies? |
|---|---|
| Short-term capital gains | ✅ |
| Long-term capital gains | ✅ |
| Collectibles gains | ✅ |
| Unrecaptured §1250 gain | ✅ |
| Qualified §1231 gains | ✅ |
OZ 1.0 vs. OZ 2.0
| Framework | When Tax Is Due |
|---|---|
| OZ 1.0 | Earlier of: QOF interest sale, or Dec 31, 2026 |
| OZ 2.0 | Rolling 5-year deferral from the exact investment date |
The 5-Year Basis Step-Up
| Zone Type | Step-Up | Effect on $1M Gain |
|---|---|---|
| Standard OZ | 10% | Taxable gain: $1M → $900k |
| Rural OZ (QROF) | 30% | Taxable gain: $1M → $700k |
The 10-Year Permanent Exclusion
Hold for 10+ years and the basis is stepped up to fair market value at sale:
- All post-investment appreciation = permanently tax-free
- OZ 2.0 cap: Benefit caps at 30 years
Numeric Example: $1M at 23.8% Federal Rate
| Scenario | Year-5 Tax | Exit Tax (Yr 10) | Net Outcome |
|---|---|---|---|
| No OZ | $238k now | Full tax on gains | Lowest |
| Standard OZ | $214,200 | $0 | Higher |
| Rural OZ | $166,600 | $0 | Highest |
Treasury NPV Analysis: Where the Benefit Actually Lives
U.S. Treasury (OTA Working Paper 123, 2023) modeled the NPV of a $1M gain invested in a QOF in 2021, held 15 years, at a 5% discount rate and 20% capital gains rate:
| Benefit Component | NPV Value | Share of Total Benefit |
|---|---|---|
| 10-year appreciation exclusion | ~$192,000 | ~77% |
| Deferral + partial exclusion of deferred gain | ~$58,000 | ~23% |
| Total NPV of OZ tax benefit | ~$250,000 | 100% |
At higher IRRs (e.g., 20%+), the appreciation exclusion’s share rises to 95%+ of total benefit. The primary OZ incentive is not deferral — it is permanent exclusion of post-investment appreciation.
Inclusion Events (Trigger Early Recognition)
- Sale or exchange of QOF interest
- Gift transfers (outright or into trust)
- Transfers incident to divorce
- Grantor trust status change
- QOF loses certification
Exception: Death of the taxpayer is generally NOT an inclusion event — holding period tacks for heirs.
Investor Checklist
- Reinvest into QOF within 180 days of triggering sale
- Confirm if target project qualifies as Rural OZ (30% step-up)
- Calendar the 5-year deferral end from exact investment date
- Document all inclusion event risks in the operating agreement
Content sourced from the OZ 2.0 Resource Center — 475+ industry emails, investment memos, and regulatory guidance.